The document discusses how organizations can get de-listed from email blacklists. It outlines the different severity levels for being blacklisted and provides a checklist of steps to take to get de-listed, including implementing due diligence practices. The document also notes that blacklist providers operate as a "black box" with limited transparency into their internal processes.
How to simulate spoof e mail attack and bypass spf sender verification - 2#2Eyal Doron
In the current article, we will demonstrate how to simulate Spoof E-mail attack, that will bypass existing SPF sender verification implementation.
The current article series include two articles.
The former article is – How can hostile element execute Spoof E-mail attack and bypass existing SPF implementation? | introduction | 1#2
How does sender verification work how we identify spoof mail) spf, dkim dmar...Eyal Doron
The process of “sender verification”, enables us to distinguish between a legitimate sender versus an attacker who spoof his identity.
In the current article, we will review in details the five available methods that we can use for fighting the phenomena of Spoof mail attack.
http://o365info.com/how-does-sender-verification-work-how-we-identify-spoof-mail-the-five-heros-spf-dkim-dmarc-exchange-and-exchange-online-protection-part-9-of-9
Dealing with the threat of spoof and phishing mail attacks part 6#9 | Eyal ...Eyal Doron
In the following article, we will review the solution and the methods that we can use for dealing with the threat of – Phishing mail attacks and his derivative Spoof mail attack.
Why our mail system is exposed to spoof and phishing mail attacks part 5#9 |...Eyal Doron
Let’s start with a declaration about a strange phenomenon: Spoof mail attacks and Phishing mail attacks, are well-known attacks, and consider as a popular attack among the “hostile elements.”
Most of the existing organizations, do not have effective defense mechanisms against the above attacks, and there is a high chance, at some point, that your organization will experience the bitter taste of Spoofing or Phishing attacks!
What is the meaning of mail phishing attack in simple words part 4#9 | Eyal...Eyal Doron
In the current article, we will continue our journey to the land of “mail threats and dangers,” and this time; our main focus will be on one of the most dangerous and deadly types of mail attack – the Phishing mail attack!
What is so special about spoof mail attack part 3#9 | Eyal Doron | o365info.comEyal Doron
The special character of the spoofing attack is – that the “spoof action”, serves as a spearhead for most of the other mail attacks.
In other words – the Spoof mail attack is accompanied by an additional type of mail attacks such as Phishing mail attack or spam mail.
What is so special about Spoof mail attack? |Part 3#9
http://o365info.com/what-is-so-special-spoof-mail-attack-part-3-of-9/
What are the possible damages of phishing and spoofing mail attacks part 2#...Eyal Doron
We are living in a dangerous world that produces many types of threats and risks to our organizational mail infrastructure, to our users and to us.
In the current article, I would like to review some of the possible damages that we can experience in a scenario, in which Spoof or Phishing mail attacks are realized.
http://o365info.com/what-is-the-possible-damages-of-phishing-spoofing-mail-attacks-part-2-of-9/
How to simulate spoof e mail attack and bypass spf sender verification - 2#2Eyal Doron
In the current article, we will demonstrate how to simulate Spoof E-mail attack, that will bypass existing SPF sender verification implementation.
The current article series include two articles.
The former article is – How can hostile element execute Spoof E-mail attack and bypass existing SPF implementation? | introduction | 1#2
How does sender verification work how we identify spoof mail) spf, dkim dmar...Eyal Doron
The process of “sender verification”, enables us to distinguish between a legitimate sender versus an attacker who spoof his identity.
In the current article, we will review in details the five available methods that we can use for fighting the phenomena of Spoof mail attack.
http://o365info.com/how-does-sender-verification-work-how-we-identify-spoof-mail-the-five-heros-spf-dkim-dmarc-exchange-and-exchange-online-protection-part-9-of-9
Dealing with the threat of spoof and phishing mail attacks part 6#9 | Eyal ...Eyal Doron
In the following article, we will review the solution and the methods that we can use for dealing with the threat of – Phishing mail attacks and his derivative Spoof mail attack.
Why our mail system is exposed to spoof and phishing mail attacks part 5#9 |...Eyal Doron
Let’s start with a declaration about a strange phenomenon: Spoof mail attacks and Phishing mail attacks, are well-known attacks, and consider as a popular attack among the “hostile elements.”
Most of the existing organizations, do not have effective defense mechanisms against the above attacks, and there is a high chance, at some point, that your organization will experience the bitter taste of Spoofing or Phishing attacks!
What is the meaning of mail phishing attack in simple words part 4#9 | Eyal...Eyal Doron
In the current article, we will continue our journey to the land of “mail threats and dangers,” and this time; our main focus will be on one of the most dangerous and deadly types of mail attack – the Phishing mail attack!
What is so special about spoof mail attack part 3#9 | Eyal Doron | o365info.comEyal Doron
The special character of the spoofing attack is – that the “spoof action”, serves as a spearhead for most of the other mail attacks.
In other words – the Spoof mail attack is accompanied by an additional type of mail attacks such as Phishing mail attack or spam mail.
What is so special about Spoof mail attack? |Part 3#9
http://o365info.com/what-is-so-special-spoof-mail-attack-part-3-of-9/
What are the possible damages of phishing and spoofing mail attacks part 2#...Eyal Doron
We are living in a dangerous world that produces many types of threats and risks to our organizational mail infrastructure, to our users and to us.
In the current article, I would like to review some of the possible damages that we can experience in a scenario, in which Spoof or Phishing mail attacks are realized.
http://o365info.com/what-is-the-possible-damages-of-phishing-spoofing-mail-attacks-part-2-of-9/
Dealing with a spoof mail attacks and phishing mail attacks a little story ...Eyal Doron
In the current article, I would like to review the chain of events that occurs every time, again and again, in a scenario in which the attacker manages to successfully execute a Phishing mail attack.
The reaction of the involved persons is known in advance, and the sad end of the story is known in advance.
The main goal of the story is - to serve as a wakeup call, so you do not have to be a character in the play of – Phishing mail attack!
Exchange In-Place eDiscovery & Hold | Introduction | 5#7Eyal Doron
Exchange In-Place eDiscovery & Hold | Introduction | 5#7
http://o365info.com/exchange-in-place-ediscovery-hold-introduction-part-5-7
The Exchange In-Place Hold & eDiscovery, is a very powerful tool that can help us to accomplish three main tasks.
1. Search for information (mail items) in single or multiple mailboxes
2. Put specific information on “hold” (enable to save the information for an unlimited time period)
3. Recover deleted mail items
In this article, we will review the logic and the concepts of the Exchange In-Place Hold & eDiscovery toll.
In the next article xx, we will demonstrate how to use the Exchange In-Place Hold & eDiscovery toll for recovering deleted mail items.
Eyal Doron | o365info.com
Mail migration to office 365 measure and estimate mail migration throughput...Eyal Doron
Mail migration to Office 365 | Measure and estimate Mail Migration throughputs | Part 4/4
http://o365info.com/mail-migration-office-365-measure-estimate-mail-migration-throughputs-part-44/
Information about the “expected mail migration throughput” and includes a nice Excel based utility (Office 365 – Multiple and Single Mailbox Migration throughput calculator) that will help us to provide an estimation of the expected data transfer rate. Based on this information we can provide a reasonable “end date” for the completion of the mail migration project (this is the fourth article on a series of four articles).
Eyal Doron | o365info.com
Mail migration to office 365 factors that impact mail migration performance...Eyal Doron
Mail migration to Office 365| Factors that impact mail Migration throughput | Part 2/4
http://o365info.com/mail-migration-office-365-factors-impact-mail-migration-throughput-part-24/
Reviewing the different factors that impact the performance of the mail migration throughput to Office 365 (Exchange Online based mail infrastructure) (this is the first second article on a series of four articles).
Eyal Doron | o365info.com
Mail migration to office 365 mail migration methods - part 1#4Eyal Doron
Mail migration to Office 365 | Mail Migration methods | Part 1/4
http://o365info.com/mail-migration-office-365-mail-migration-methods-part-14
Reviewing the different mail migration options that are available to us for migrating existing mail infrastructure to Office 365 (Exchange Online). We will focus on the features and the characters of the different mail migration methods (this is the first article on a series of four articles).
Eyal Doron | o365info.com
Smtp relay in office 365 environment troubleshooting scenarios - part 4#4Eyal Doron
SMTP Relay in Office 365 environment | Troubleshooting scenarios |Part 4#4
http://o365info.com/smtp-relay-in-office-365-environment-troubleshooting-scenarios-part-4-4
Reviewing a possible troubleshooting scenario that relate to the SMTP mail relay server infrastructure for sending mail to the Office 365 mail infrastructure.
Eyal Doron | o365info.com
Stage migration, exchange and autodiscover infrastructure part 1#2 part 35#36Eyal Doron
Stage migration, Exchange and Autodiscover infrastructure | Part 1#2 | Part 35#36
Description of the subject of using Exchange stage migration from the perspective of configuring a new Outlook mail profile.
We will learn about the Challenges that we are facing when trying to create a new Outlook mail profile for users which their mailbox was migrated to Exchange Online.
This is the first article, in a series of two articles.
http://o365info.com/stage-migration-exchange-and-autodiscover-infrastructure-part-1-of-2-part-35-of-36
Eyal Doron | o365info.com
Autodiscover flow in an office 365 environment part 3#3 part 31#36Eyal Doron
Autodiscover flow in an Office 365 environment | Part 3#3 | Part 31#36
Detailed description of the Autodiscover flow that is implemented between Autodiscover client and his Autodiscover Endpoint (Exchange server) in a scenario, in which the mail infrastructure is an Office 365 environment (Exchange Online).
This is the third article, in a series of three articles.
http://o365info.com/autodiscover-flow-in-an-office-365-environment-part-3-of-3-part-31-of-36
Eyal Doron | o365info.com
Autodiscover flow in an exchange hybrid environment part 1#3 part 32#36Eyal Doron
Autodiscover flow in an Exchange Hybrid environment | Part 1#3 | Part 32#36
A detailed description of the Autodiscover flow that is implemented between Autodiscover client and his Autodiscover Endpoint (Exchange server) in an Exchange hybrid environment (an environment that includes Exchange on-Premises server infrastructure + Exchange Online infrastructure).
This is the first article, in a series of three articles.
http://o365info.com/autodiscover-flow-in-an-exchange-hybrid-environment-part-1-of-3-part-32-of-36
Eyal Doron | o365info.com
Autodiscover flow in an exchange on premises environment non-active director...Eyal Doron
Autodiscover flow in an Exchange on-Premises environment | non-Active Directory environment| Part 3#3 | Part 28#36
Detailed description of the Autodiscover flow that is implemented between Autodiscover client and his Autodiscover Endpoint (Exchange server) in a scenario, in which the Exchange infrastructure is - Exchange on-Premises and, the Autodiscover Endpoint is located in a non-Active Directory based environment.
This is the third article, in a series of three articles.
http://o365info.com/autodiscover-flow-in-an-exchange-on-premises-environment-non-active-directory-environment-part-3-of-3-part-28-of-36
Eyal Doron | o365info.com
Autodiscover flow in an exchange on premises environment non-active director...Eyal Doron
Autodiscover flow in an Exchange on-Premises environment | non-Active Directory environment| Part 2#3 | Part 27#36
Detailed description of the Autodiscover flow that is implemented between Autodiscover client and his Autodiscover Endpoint (Exchange server) in a scenario, in which the Exchange infrastructure is - Exchange on-Premises and, the Autodiscover Endpoint is located in a non-Active Directory based environment.
This is the second article, in a series of three articles.
http://o365info.com/autodiscover-flow-in-an-exchange-on-premises-environment-non-active-directory-environment-part-2-of-3-part-27-of-36
Eyal Doron | o365info.com
Autodiscover flow in an exchange on premises environment non-active director...Eyal Doron
Autodiscover flow in an Exchange on-Premises environment | non-Active Directory environment| Part 1#3 | Part 26#36
Detailed description of the Autodiscover flow that is implemented between Autodiscover client and his Autodiscover Endpoint (Exchange server) in a scenario, in which the Exchange infrastructure is - Exchange on-Premises and, the Autodiscover Endpoint is located in a non-Active Directory based environment.
This is the first article, in a series of three articles.
http://o365info.com/autodiscover-flow-in-an-exchange-on-premises-environment-non-active-directory-environment-part-1-of-3-part-26-of-36
Eyal Doron | o365info.com
Outlook test e mail auto configuration autodiscover troubleshooting tools p...Eyal Doron
Outlook Test E-mail AutoConfiguration | Autodiscover troubleshooting tools | Part 1#4 | Part 21#36
Review the use to the use of the Outlook built-in tool named - Outlook Test E-mail AutoConfiguration for - viewing the content of the Autodiscover session between a client and a server.
This is the first article for a series of Three articles, in which we review different tools for “Autodiscover Troubleshooting scenarios”.
http://o365info.com/outlook-test-e-mail-autoconfiguration-autodiscover-troubleshooting-tools-part-1-of-4-part-21-of-36
Eyal Doron | o365info.com
Microsoft remote connectivity analyzer (exrca) autodiscover troubleshooting ...Eyal Doron
Microsoft Remote Connectivity Analyzer (ExRCA) | Autodiscover troubleshooting tools | Part 2#4 | Part 22#36
In this article, we will review the use of the Microsoft Troubleshooting web tool named - Microsoft Remote Connectivity Analyzer (ExRCA) for - viewing the content of the Autodiscover session between a client and a server.
This is the second article on a series of four articles, which we review different tools for “Autodiscover Troubleshooting scenarios”.
http://o365info.com/microsoft-remote-connectivity-analyzer-exrca-autodiscover-troubleshooting-tools-part-2-of-4-part-22-of-36
Eyal Doron | o365info.com
Microsoft connectivity analyzer (mca) autodiscover troubleshooting tools pa...Eyal Doron
Microsoft Connectivity Analyzer (MCA) | Autodiscover troubleshooting tools | Part 3#4 | Part 23#36
In this article, we will review the use of the Microsoft Troubleshooting web tool named - Microsoft Connectivity Analyzer (MCA) for viewing the content of the Autodiscover session between a client and a server.
This is the third article for a series of four articles, which we review different tools for “Autodiscover Troubleshooting scenarios”.
http://o365info.com/microsoft-connectivity-analyzer-mca-autodiscover-troubleshooting-tools-part-3-of-4-part-23-of-36
Eyal Doron | o365info.com
Outlook test e mail auto configuration autodiscover troubleshooting tools p...Eyal Doron
Review the use to the use of the Outlook built-in tool named - Outlook Test E-mail AutoConfiguration for - viewing the content of the Autodiscover session between a client and a server.
This is the first article for a series of Three articles, in which we review different tools for “Autodiscover Troubleshooting scenarios”.
http://o365info.com/outlook-test-e-mail-autoconfiguration-autodiscover-troubleshooting-tools-part-1-of-4-part-21-of-36
Microsoft remote connectivity analyzer (ex rca) autodiscover troubleshooting...Eyal Doron
In this article, we will review the use of the Microsoft Troubleshooting web tool named - Microsoft Remote Connectivity Analyzer (ExRCA) for - viewing the content of the Autodiscover session between a client and a server.
This is the second article on a series of four articles, which we review different tools for “Autodiscover Troubleshooting scenarios”.
http://o365info.com/microsoft-remote-connectivity-analyzer-exrca-autodiscover-troubleshooting-tools-part-2-of-4-part-22-of-36
Microsoft connectivity analyzer (mca) autodiscover troubleshooting tools pa...Eyal Doron
In this article, we will review the use of the Microsoft Troubleshooting web tool named - Microsoft Connectivity Analyzer (MCA) for viewing the content of the Autodiscover session between a client and a server.
This is the third article for a series of four articles, which we review different tools for “Autodiscover Troubleshooting scenarios”.
http://o365info.com/microsoft-connectivity-analyzer-mca-autodiscover-troubleshooting-tools-part-3-of-4-part-23-of-36
Should i use a single namespace for exchange infrastructure part 1#2 part ...Eyal Doron
Should I use a single namespace for Exchange Infrastructure? | Part 1#2 | Part 17#36
Description of a scenario in which we use a single namespace for Exchange infrastructure.
The meaning of the term –“single namespace” – is a scenario in which Exchange infrastructure use the same namespace for internal and external Exchange client described as – single or unified namespace.
http://o365info.com/should-i-use-a-single-namespace-for-exchange-infrastructure-part-1-of-2-part-17-of-36
Eyal Doron | o365info.com
Dev Dives: Train smarter, not harder – active learning and UiPath LLMs for do...UiPathCommunity
💥 Speed, accuracy, and scaling – discover the superpowers of GenAI in action with UiPath Document Understanding and Communications Mining™:
See how to accelerate model training and optimize model performance with active learning
Learn about the latest enhancements to out-of-the-box document processing – with little to no training required
Get an exclusive demo of the new family of UiPath LLMs – GenAI models specialized for processing different types of documents and messages
This is a hands-on session specifically designed for automation developers and AI enthusiasts seeking to enhance their knowledge in leveraging the latest intelligent document processing capabilities offered by UiPath.
Speakers:
👨🏫 Andras Palfi, Senior Product Manager, UiPath
👩🏫 Lenka Dulovicova, Product Program Manager, UiPath
Dealing with a spoof mail attacks and phishing mail attacks a little story ...Eyal Doron
In the current article, I would like to review the chain of events that occurs every time, again and again, in a scenario in which the attacker manages to successfully execute a Phishing mail attack.
The reaction of the involved persons is known in advance, and the sad end of the story is known in advance.
The main goal of the story is - to serve as a wakeup call, so you do not have to be a character in the play of – Phishing mail attack!
Exchange In-Place eDiscovery & Hold | Introduction | 5#7Eyal Doron
Exchange In-Place eDiscovery & Hold | Introduction | 5#7
http://o365info.com/exchange-in-place-ediscovery-hold-introduction-part-5-7
The Exchange In-Place Hold & eDiscovery, is a very powerful tool that can help us to accomplish three main tasks.
1. Search for information (mail items) in single or multiple mailboxes
2. Put specific information on “hold” (enable to save the information for an unlimited time period)
3. Recover deleted mail items
In this article, we will review the logic and the concepts of the Exchange In-Place Hold & eDiscovery toll.
In the next article xx, we will demonstrate how to use the Exchange In-Place Hold & eDiscovery toll for recovering deleted mail items.
Eyal Doron | o365info.com
Mail migration to office 365 measure and estimate mail migration throughput...Eyal Doron
Mail migration to Office 365 | Measure and estimate Mail Migration throughputs | Part 4/4
http://o365info.com/mail-migration-office-365-measure-estimate-mail-migration-throughputs-part-44/
Information about the “expected mail migration throughput” and includes a nice Excel based utility (Office 365 – Multiple and Single Mailbox Migration throughput calculator) that will help us to provide an estimation of the expected data transfer rate. Based on this information we can provide a reasonable “end date” for the completion of the mail migration project (this is the fourth article on a series of four articles).
Eyal Doron | o365info.com
Mail migration to office 365 factors that impact mail migration performance...Eyal Doron
Mail migration to Office 365| Factors that impact mail Migration throughput | Part 2/4
http://o365info.com/mail-migration-office-365-factors-impact-mail-migration-throughput-part-24/
Reviewing the different factors that impact the performance of the mail migration throughput to Office 365 (Exchange Online based mail infrastructure) (this is the first second article on a series of four articles).
Eyal Doron | o365info.com
Mail migration to office 365 mail migration methods - part 1#4Eyal Doron
Mail migration to Office 365 | Mail Migration methods | Part 1/4
http://o365info.com/mail-migration-office-365-mail-migration-methods-part-14
Reviewing the different mail migration options that are available to us for migrating existing mail infrastructure to Office 365 (Exchange Online). We will focus on the features and the characters of the different mail migration methods (this is the first article on a series of four articles).
Eyal Doron | o365info.com
Smtp relay in office 365 environment troubleshooting scenarios - part 4#4Eyal Doron
SMTP Relay in Office 365 environment | Troubleshooting scenarios |Part 4#4
http://o365info.com/smtp-relay-in-office-365-environment-troubleshooting-scenarios-part-4-4
Reviewing a possible troubleshooting scenario that relate to the SMTP mail relay server infrastructure for sending mail to the Office 365 mail infrastructure.
Eyal Doron | o365info.com
Stage migration, exchange and autodiscover infrastructure part 1#2 part 35#36Eyal Doron
Stage migration, Exchange and Autodiscover infrastructure | Part 1#2 | Part 35#36
Description of the subject of using Exchange stage migration from the perspective of configuring a new Outlook mail profile.
We will learn about the Challenges that we are facing when trying to create a new Outlook mail profile for users which their mailbox was migrated to Exchange Online.
This is the first article, in a series of two articles.
http://o365info.com/stage-migration-exchange-and-autodiscover-infrastructure-part-1-of-2-part-35-of-36
Eyal Doron | o365info.com
Autodiscover flow in an office 365 environment part 3#3 part 31#36Eyal Doron
Autodiscover flow in an Office 365 environment | Part 3#3 | Part 31#36
Detailed description of the Autodiscover flow that is implemented between Autodiscover client and his Autodiscover Endpoint (Exchange server) in a scenario, in which the mail infrastructure is an Office 365 environment (Exchange Online).
This is the third article, in a series of three articles.
http://o365info.com/autodiscover-flow-in-an-office-365-environment-part-3-of-3-part-31-of-36
Eyal Doron | o365info.com
Autodiscover flow in an exchange hybrid environment part 1#3 part 32#36Eyal Doron
Autodiscover flow in an Exchange Hybrid environment | Part 1#3 | Part 32#36
A detailed description of the Autodiscover flow that is implemented between Autodiscover client and his Autodiscover Endpoint (Exchange server) in an Exchange hybrid environment (an environment that includes Exchange on-Premises server infrastructure + Exchange Online infrastructure).
This is the first article, in a series of three articles.
http://o365info.com/autodiscover-flow-in-an-exchange-hybrid-environment-part-1-of-3-part-32-of-36
Eyal Doron | o365info.com
Autodiscover flow in an exchange on premises environment non-active director...Eyal Doron
Autodiscover flow in an Exchange on-Premises environment | non-Active Directory environment| Part 3#3 | Part 28#36
Detailed description of the Autodiscover flow that is implemented between Autodiscover client and his Autodiscover Endpoint (Exchange server) in a scenario, in which the Exchange infrastructure is - Exchange on-Premises and, the Autodiscover Endpoint is located in a non-Active Directory based environment.
This is the third article, in a series of three articles.
http://o365info.com/autodiscover-flow-in-an-exchange-on-premises-environment-non-active-directory-environment-part-3-of-3-part-28-of-36
Eyal Doron | o365info.com
Autodiscover flow in an exchange on premises environment non-active director...Eyal Doron
Autodiscover flow in an Exchange on-Premises environment | non-Active Directory environment| Part 2#3 | Part 27#36
Detailed description of the Autodiscover flow that is implemented between Autodiscover client and his Autodiscover Endpoint (Exchange server) in a scenario, in which the Exchange infrastructure is - Exchange on-Premises and, the Autodiscover Endpoint is located in a non-Active Directory based environment.
This is the second article, in a series of three articles.
http://o365info.com/autodiscover-flow-in-an-exchange-on-premises-environment-non-active-directory-environment-part-2-of-3-part-27-of-36
Eyal Doron | o365info.com
Autodiscover flow in an exchange on premises environment non-active director...Eyal Doron
Autodiscover flow in an Exchange on-Premises environment | non-Active Directory environment| Part 1#3 | Part 26#36
Detailed description of the Autodiscover flow that is implemented between Autodiscover client and his Autodiscover Endpoint (Exchange server) in a scenario, in which the Exchange infrastructure is - Exchange on-Premises and, the Autodiscover Endpoint is located in a non-Active Directory based environment.
This is the first article, in a series of three articles.
http://o365info.com/autodiscover-flow-in-an-exchange-on-premises-environment-non-active-directory-environment-part-1-of-3-part-26-of-36
Eyal Doron | o365info.com
Outlook test e mail auto configuration autodiscover troubleshooting tools p...Eyal Doron
Outlook Test E-mail AutoConfiguration | Autodiscover troubleshooting tools | Part 1#4 | Part 21#36
Review the use to the use of the Outlook built-in tool named - Outlook Test E-mail AutoConfiguration for - viewing the content of the Autodiscover session between a client and a server.
This is the first article for a series of Three articles, in which we review different tools for “Autodiscover Troubleshooting scenarios”.
http://o365info.com/outlook-test-e-mail-autoconfiguration-autodiscover-troubleshooting-tools-part-1-of-4-part-21-of-36
Eyal Doron | o365info.com
Microsoft remote connectivity analyzer (exrca) autodiscover troubleshooting ...Eyal Doron
Microsoft Remote Connectivity Analyzer (ExRCA) | Autodiscover troubleshooting tools | Part 2#4 | Part 22#36
In this article, we will review the use of the Microsoft Troubleshooting web tool named - Microsoft Remote Connectivity Analyzer (ExRCA) for - viewing the content of the Autodiscover session between a client and a server.
This is the second article on a series of four articles, which we review different tools for “Autodiscover Troubleshooting scenarios”.
http://o365info.com/microsoft-remote-connectivity-analyzer-exrca-autodiscover-troubleshooting-tools-part-2-of-4-part-22-of-36
Eyal Doron | o365info.com
Microsoft connectivity analyzer (mca) autodiscover troubleshooting tools pa...Eyal Doron
Microsoft Connectivity Analyzer (MCA) | Autodiscover troubleshooting tools | Part 3#4 | Part 23#36
In this article, we will review the use of the Microsoft Troubleshooting web tool named - Microsoft Connectivity Analyzer (MCA) for viewing the content of the Autodiscover session between a client and a server.
This is the third article for a series of four articles, which we review different tools for “Autodiscover Troubleshooting scenarios”.
http://o365info.com/microsoft-connectivity-analyzer-mca-autodiscover-troubleshooting-tools-part-3-of-4-part-23-of-36
Eyal Doron | o365info.com
Outlook test e mail auto configuration autodiscover troubleshooting tools p...Eyal Doron
Review the use to the use of the Outlook built-in tool named - Outlook Test E-mail AutoConfiguration for - viewing the content of the Autodiscover session between a client and a server.
This is the first article for a series of Three articles, in which we review different tools for “Autodiscover Troubleshooting scenarios”.
http://o365info.com/outlook-test-e-mail-autoconfiguration-autodiscover-troubleshooting-tools-part-1-of-4-part-21-of-36
Microsoft remote connectivity analyzer (ex rca) autodiscover troubleshooting...Eyal Doron
In this article, we will review the use of the Microsoft Troubleshooting web tool named - Microsoft Remote Connectivity Analyzer (ExRCA) for - viewing the content of the Autodiscover session between a client and a server.
This is the second article on a series of four articles, which we review different tools for “Autodiscover Troubleshooting scenarios”.
http://o365info.com/microsoft-remote-connectivity-analyzer-exrca-autodiscover-troubleshooting-tools-part-2-of-4-part-22-of-36
Microsoft connectivity analyzer (mca) autodiscover troubleshooting tools pa...Eyal Doron
In this article, we will review the use of the Microsoft Troubleshooting web tool named - Microsoft Connectivity Analyzer (MCA) for viewing the content of the Autodiscover session between a client and a server.
This is the third article for a series of four articles, which we review different tools for “Autodiscover Troubleshooting scenarios”.
http://o365info.com/microsoft-connectivity-analyzer-mca-autodiscover-troubleshooting-tools-part-3-of-4-part-23-of-36
Should i use a single namespace for exchange infrastructure part 1#2 part ...Eyal Doron
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Description of a scenario in which we use a single namespace for Exchange infrastructure.
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http://o365info.com/should-i-use-a-single-namespace-for-exchange-infrastructure-part-1-of-2-part-17-of-36
Eyal Doron | o365info.com
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De list your organization from a blacklist - my e-mail appears as spam - part 16 of 17
1. De-list your organization from a blacklist | My
E-mail appears as spam | Part 16#17
Eyal Doron o365info.com
2. 2
• The great drama: My organization appears as “blacklisted”!
• The optional scenario for “blacklisted” and their level of severity.
• What do I need to do for getting “de-listed” from a blacklist?
• “De-list” checklist, from a blacklist
• Implement your due diligence
• Blacklist providers as Black box
AGENDA
Let’s start with a dramatic sentence: my organization appears as “blacklisted”!
Q1: What is the meaning of: “my organization” appears as blacklisted”?
Q2: What should I do in a scenario of: “my organization” appears as blacklisted”?
Q3: Is there a specific charter of the scenario: “my organization appears as blacklisted” in Office 365 and Exchange Online environment?
The meaning of – “my organization” appears as blacklisted
The term: ”my organization”, could be translated into one of the four following options:
1. Public domain name
A scenario, in which your organization, public domain name appears as blacklisted.
2. Mail server IP address
A scenario, in which your mail server IP address appears as: blacklisted.
As mentioned before – In an Office 365 and Exchange Online environment, the scenario in which your “formal Exchange Online IP address” appears as blacklisted is very rare.The most common scenario is a scenario in which that the IP address that appear as “blacklisted”, belong to the “special Exchange Online servers” that are classified as: “Higher Risk Delivery Pool”.
3. Specific E-mail message content
A scenario in which a specific E-mail message will be blocked because the content of the E-mail message. In this case, it’s not clear if the “spam filter” decides to block also the recipient who sent out the E-mail, the specific mail server that sent out the E-mail or, the complete domain name that is a part of the recipient E-mail address.
4. E-mail address of a specific recipient organization
The scenario in which the “issue” relates to a specific organization E-mail address is less common. In this scenario, a specific organization’s recipient is blacklisted.
A scenario in which mail that was sent by one of our organization users identified as spam mail and for this reason, blocked by the destination mail server or, sent to the junk mail folder as the destination external recipient, is not a desirable scenario.
The main question in this scenario is not if this scenario is desirable or not, but instead – what is the “factor”, that the destination mail infrastructure use for identifying the E-mail that was sent by one of our origination users as a spam\Junk mail.
Option 1: the organization domain name is blacklisted.
The “less preferred scenario” is – the scenario in which our domain name appears as Blacklisted.
This type of scenario described as: “less preferred” because, in this case, the “guilt” is upon the organization domain name. In this scenario, all of the organization users are affected and not only to a specific organization user.
The problem in which the mail that is sent from our origination is identified as spam\Junk mail is not related only to a specific “event” or a specific mail item that includes specific content but instead, to all the “outbound mail flow” of our organization users.
In the following diagram, we can see an example of this concept.
The cause of the problem is the Office 365 recipient domain name (the “right part” of the E-mail address). The destination mail server “refuse” to accept the E-mail message not because there is a problem with the E-mail message content but because – the E-mail message sent from a domain name that appears as blacklisted.
In this type of scenario in which our organization domain name appears on a blacklisted, we will need to contact the “blacklist provider” and ask him to be removed (remove our domain name) from the blacklist.
Option 2: mail server IP address is blacklisted.
The severity of this scenario depends on the specific mail infrastructure that we use.
Non-Office 365 and Exchange Online mail infrastructure
In case that your mail infrastructure is not based on the Office 365 and Exchange Online mail infrastructure, a scenario in which your mail server appears as blacklisted, consider also as critical scenario.
The level of the “criticality” depends on the structure of your mail infrastructure.In case that your organization has only one mail server, the “critical level” is very high because, all the organization mail is sent via a specific mail server and in case that this mail server is blacklisted, this is a major problem.
In case that the organization mail infrastructure is based on more than one mail server, the “critical level” is less severe because – there is an option to route all the rest of the organizational E-mail messages via the additional organization mail servers, until the problem with the specific mail server will be resolved.
Office 365 and Exchange Online mail infrastructure
In Office 365 and Exchange Online the organization is represented by the Exchange Online server and in a very specific scenario, in case that the E-mail message that was sent by the Office 365 users identified as spam\Junk mail by the EOP (Exchange Online protection) the specific E-mail message will be routed via the Exchange Online High Risk Delivery Pool.
The scenario in which the “formal Exchange Online” IP address that represent the organization will appear is blacklisted is very rare.
The more likely scenario, is that in case that the E-mail message was sent via the Exchange Online High Risk Delivery Pool, the destination mail server will reject the E-mail message and notify us that “our mail server” is blacklisted.
In this scenario, the “guilt” is alleged upon the Exchange Online Higher Risk Delivery Pool.Office 365 spam filters, recognize that the office365 users try to send out an E-mail message that consider as “problematic”.
To avoid from a scenario in which all the organizations will be “stamped” as “problematic”, the specific E-mail message is routed via the mail server that was created for this type of E-mail messages – the Exchange Online Higher Risk Delivery Pool.
The basic assumption is that some of the IP address that are used by the Exchange Online- High Risk Delivery Pool, is already listed in some blacklists.
Conclusion
In Office 365 and Exchange Online environment the scenario which we describe as: “my mail server appears as blacklisted”, does not lead to the conclusion that the problem is related to the “Office 365 mail server”.Instead, the problem is related to the “element” to a specific Office 365 user and to a specific E-mail message content, which was sent by the Office 365 users, identified as spam by the EOP and routed via the Exchange Online- High Risk Delivery Pool.
The cause of the problem is a specific E-mail content to “lead” into a scenario in which the E-mail message sent via the Exchange Online Higher Risk Delivery Pool.
The “other side” classifies the E-mail message as spam\Junk mail, but this “classification” relates only to the specific session and only to the specific E-mail message.
In case that the Office 365 recipients will send a new E-mail message that doesn’t contain a problematic content, most of the chances that the E-mail message will successfully be sent to the destination external recipient.
Option 3: a specific E-mail address (organization user) is blacklisted.
This scenario could be realized, however, this scenario is less common. In some cases, the spam filter is listing a very specific E-mail address and not relate to the “whole domain part”.
Technically speaking, there are two ways in which your organization will be removed from a specific blacklist:
1. Self-service removal
A a process in which an organization representative should fill a request form, in which he asks to be de-listed from the blacklist and, lists the reason or explanations for his request.In simple words: the organization representative, should explain why his organization was recognized as an “element” the distribute spam mail by mistake.
2. Time-Based Removal
Some of the blacklist provider implements an automatic mechanism in which the domain name or the IP address of the domain that was registered at the blacklist, will be removed automatically after a specific time period.In simple words: if the origination will not make any more additional problem and, act as a “good boy” the reward is that – his detailed will be removed from the blacklist.The problem is that we as an organization, have no control over the process.
Yes, I know that this heading sounds a bit funny.
Verify that you understand the following parts and can answer the following questions:
The problem scope
Q: Did your organization is blacklisted by a specific blacklist or, by a couple of blacklist providers?
A: The first and most important steps is to verify, what the scope of the problem: does your organization appear as blacklisted in a very specific blacklist or a couple of blacklists.
You can get a quick answer to this question by using online services that will help you to check multiple blacklist providers from one place.
You can read more detailed information in the article: My E-mail appears as spam | Troubleshooting – Mail server | Part 15#17
Your organization mail infrastructure details
Q: When we say: “our organization is blacklisted” are you fully understand the meaning?
Q: Does your domain name is blacklisted?
Q: Does your mail server is blacklisted?Q: If you have more, then one mail server, do you have a list of all the existing mail servers who represent your organization?
Q: When you check for information about a scenario in which your mail server is blacklisted, and you have more than one mail server, did you check if the additional mail servers IP address appears as blacklisted?
A: Before you start the “de-list procedure” verify that you have all the required information in front of you.
The reasons that lead us to the scenario.
Q: Can you speculate regarding the reasons that lead us to the scenario in which your organization appears as blacklisted?
Q: Do you think that the “root cause” of the problem is related to: bulk mail, to a specific E-mail message content? To a specific user?
A: There is no point investing all efforts and energy in the “de-list” process and hoping to get “de-listed if the “element” that causes for this problem continue the specific behavior.
You find out that your organization appears as blacklisted in a specific blacklist. You feel the appearance of the bitterness emotional and the question that appears: why did you do such a thing?
Before we are pointing our finger to the “element that blacked listed” our organization and causes us grief, let’s take a moment and verify if this is a classic scenario of false-positive meaning: our legitimate E-mail was recognized as spam\junk mail by a mistake or….Maybe there is a reason that leads to the unwanted scenario, in which our organization appears as blacklisted.
The reason for implementing this: “due diligence” is – that in a scenario which we indeed have a problem because we use a commercial mail that violates a common standard, we will continue to have problems not only with a specific blacklist provider but with many others.
Is “easy” to get on a blacklist, but the process of “getting out” from a blacklist is not easy.
An additional issue is our “integrity”. Before we are sending the request to be “removed from the blacklist” and we commit that – the process in which our mail infrastructure was classified as “problematic” is a mistake (false positive), I think that is fair to implement a little investigation and try to verify if our organization “do something” that lead us to a scenario in which “others” identified E-mail message that is sent from our organization as spam\junk mail.
sk to be removed (de-list) from a blacklist
In a scenario in which our organization mail infrastructure appears as blacklisted in a “well know blacklist providers”, it’s obvious that the only thing that we want is – to immediately be excluded from the blacklist because, the outcome is a serious disruption of our business activity.
In a perfect world, we will have to say specific magic words and… the problem will despair in two (or maybe 4) seconds.
In the real world, the process is not so easy!
I relate to the subject of – blacklist providers as a “Black box” because, the “vague nature” of the blacklist providers.
The main excuse for this “ambiguity”, is maybe the “security argument” which is used to explain why there is no option for providing a detailed information about the reason that a specific domain name or specific IP address of the mail server was added to a blacklist.
My opinion is that the “security argument” is not strong enough to answer additional questions and requirement such as – the ability to get a formal response from the blacklist providers.For example – approval that he got our request, update notification that will inform us if the de-list request was complete successfully or not, etc.
I know that this could be considered as a “generalization” and I am sure that there are significant differences between the different “blacklist providers” but, from my experience, the contrast between the business need to – urgently solve a problem in which the organization domain name appears in a blacklist verses the difficulty to get a response from “blacklist providers” could be very frustrating.
4 reasons for relating to “blacklist providers” as a Black box
In a scenario in which your organization appears a blacklisted, there are a couple of “parts” that are responsible for the “uncertainty” of the process.
1. The reason for adding your domain name\ mail server IP address
The Inability to get information about the specific reason\s that leads to the outcome in which our organization is blacklisted. The reason for ambiguity is that each of the “blacklist providers”, keeps in secret the algorithm and the methods, that he uses for identifying a specific E-mail item or specific organization as “entity” that sends spam\junk mail.
2. The formal way to implement a “de-list process”
Some of the “blacklist providers”, provide a very clear guide about how to implement the process of “asking to be removed from a blacklist” and some are not. I have also seen scenarios in which the specific “blacklist providers” request money for implementing the process of the “de-list”.
3. A contact person
Most of the “blacklist providers” will not provide a phone number, an E-mail address of a contact person.
The logic that is implemented by most of the “blacklist providers” is:
Fill in the request form, in which you ask to remove your organization name from the blacklist.
We will read your request.
Perform different checks
If we decide that you are “entitled” to be removed from the blacklist, we will remove the information about your organization from the blacklist.
4. Formal response
The section is based on the concept of “section 3”. Most of the “blacklist providers”, will not send an “update or a notification E-mail” in case that they decide to remove your organization from the blacklist. The responsibility for checking and verifying that your request to be de-list was “approved”, is your responsibility!You will need to access the “blacklist provider” website and re-check the information about your status.
Conclusions
Implement all the best practices and the preventive actions that you help your to avoid a future scenarios, in which your organization appears as blacklisted.
Try to get all the available information about the process or the procedure of de- listing your organization from the specific blacklist provider.
Take a deep breath, carry your eyes to the sky and hope for the best!
After you complete the de-list process, access the website of the “blacklist provider” and verify if your organization still appears as blacklisted.
Let’s assume that there was a reason for adding your organization to a blacklist and let’s assume that the “blacklist provider” was kind enough to remove your origination from the blacklist.Verify that you “fix” all the issues that lead to the problem in the first time. Don’t make the same mistake again because if the “next time” occurs, the blacklist providers will be less forgiving.
Additional reading
Request that a user, domain, or IP address be removed from a block list after sending outbound spam
Getting delisted by Microsoft delist@messaging.microsoft.com
How to Check Microsoft’s Blacklist
Request a delisting from a blacklist
blocked using Blocklist 1; To request removal from this list please forward this message to delist@messaging.microsoft.com
Help and support for EOP