KHNOG Micro-Event November 2015 Mr. Teav Sovandara

1. S
Incoming Outgoing
Spam Filter
By: Teav Sovandara
Network Engineer at MaxBIT
KHNOG Phnom Penh
Date: 30-Nov-2015

2. Objective
• Introduction
• The problem on email
• Solution out here

3. Introduction
What is email?
Tranditional mail
Electronic mail

4. Introduction

5. The Problem on Email
Incoming Mail
Spam email Phishing email Virus & Malware

6. Spam Mail
Email spam, also known as junk email or
unsolicited bulk email (UBE), is a subset
of electronic spam involving nearly identical
messages sent to numerous recipients by email.

7. Spam Mail

8. Spam Mail

9. Spam Mail

10. Spam Mail
How spammer can get million of valid email address
Newsgroup
Chat room
Phishing site
Dictionary search
Spam bot

11. Phishing email
Phishing is a method used by fraudsters to
access valuable personal details, such as
usernames and passwords.

12. Phishing email

13. Virus & Malware
Malware usually has two functions: to spread
itself by some means, and to do some sort of
damage or theft. Sometime malware use your
computer as spam to send spam email without
let’s you know
Frequently it self spread by attachments in email
messages or by instant messaging messages.

14. The Problem on Email
Outgoing Email
Spam
IP blacklist
malware
virus

15. Solution out here
• SpamAssassin
• ClamAV
• Some box like baracuda, Pineapp, Watchguard
..etc
• Antivirus (Avast, AVG..)
• Software SpamGate

16. Solution out here

17. Solution out here
For end user
• Don’t open attachment from email that you
don’t recognize
• Install antivirus with email protection
function
• Don't just go to a link included in an email.

18. Thanks For your
attention
Facebook: https://www.facebook.com/sovandara.te
Email: t.sovandara@gmail.com
Website: www.sovandara.com