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Email Deliverability Tips
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Email Deliverability Tips

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Ensuring requested opt-in email is delivered to subscriber inboxes is an increasingly difficult battle in the age of spam filtering. Open and click thru response rates can be dramatically affected by …

Ensuring requested opt-in email is delivered to subscriber inboxes is an increasingly difficult battle in the age of spam filtering. Open and click thru response rates can be dramatically affected by as much as 20-30% due to incorrect spam filter classification.

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  • 1. JHodgson-Texas Web Design Firm, Innovative Graphic Design & Web Marketing Technologist. - Email Deliverability Tips 1/9/09 10:39 PM Email Deliverability Tips Ensuring requested opt-in email is delivered to subscriber inboxes is an increasingly difficult battle in the age of spam filtering. Open and click thru response rates can be dramatically affected by as much as 20-30% due to incorrect spam filter classification. Permission Confirming that the people who ask for your information have actually requested to be on your list is the number one step in the battle for deliverability. You should be using a process called confirmed opt-in or verified opt-in to send a unique link to the attempted subscriber when they request information. Before adding the person to your list they must click that unique link verifying that they are indeed the same person that owns the email address and requested to subscribe. Subscriber Addresses When requesting website visitors to opt-in ask for their “real” or “primary” email address instead of a free email address like Yahoo or Hotmail. Free emails tend to be throw away accounts and typically have a shorter lifetime than a primary ISP address. List Maintenance Always promptly remove undeliverable addresses that bounce when sending email to them. An address that bounces with a permanent error 2-3 times in a 30 day period should be removed from the list. ISPʼs track what percentage of your newsletters bounce and will block them if you attempt to continually deliver messages to closed subscriber mailboxes. Message Format Usage of HTML messages to allow for text formatting, multiple columns, images, and brand recognition is growing in popularity and is widely supported by most email client software. Most spam is also HTML formatted and thus differentiating between requested email and spam HTML messages can be difficult. A 2004 study by AWeber .com shows that plain text messages are undeliverable 1.15% of the time and HTML only messages were undeliverable 2.3%. If sending HTML it is important to always send a plain text alternative message, also called text/HTML multi-part mime format. Content Many ISPʼs filter based on the content that appears within the message text. Website URL: Research potential newsletter advertisers before allowing them to place ads in your newsletter issues. If they have used their website URL to send spam, just having their URL appear in your newsletter could cause the entire message to be filtered. Words/phrases: Choose your language carefully when crafting messages. Avoid hot button topics often found in spam such as medication, mortgages, making money, and pornography. If you do need to use words that might be filtered, donʼt attempt to obfuscate words with extra characters or odd spelling, youʼll just make your messages appear more spam like. http://jhodgson.com/index2.php?option=com_content&task=view&id=159&pop=1&page=0&Itemid=2 Page 1 of 2
  • 2. JHodgson-Texas Web Design Firm, Innovative Graphic Design & Web Marketing Technologist. - Email Deliverability Tips 1/9/09 10:39 PM Images: Avoid creating messages that are entirely images. Use images sparingly, if at all. Commonly used open rate tracking technology uses images to calculate opens. You may choose to disable open rate tracking to avoid being filtered based on image content. Attachments: With viruses running rampant and spreading thru the usage of malicious email attachments many users are wary of attached documents. Itʼs often better to link to files via a website URL to reduce recipient fear of attachments and reduce the overall message size. CAN-SPAM Compliance The January 2004 Federal CAN-SPAM law introduced a number of rules regarding the delivery of email. Itʼs important you have your legal counsel review your practices and ensure you are in compliance. The two most important rules include having a valid postal mail address listed in all commercial messages and a working unsubscribe link that is promptly honored to remove the subscriber from future messages. Reputation Reputation services are often used by large ISPʼs as a way to vet email senders regarding their email practices and policies. Businesses listed with these services are then given less stringent filtering or no filtering at all. Several reputation services are: http://www.isipp.com/iadb.php http://www.bondedsender.com http://www.habeas.com Relationships & Whitelisting Contact with major ISPʼs and email providers is essential in letting them know about your requested subscriber email. Many large providers such as AOL and Yahoo have specific whitelisting programs and postmaster website areas to ensure your email is delivered as long as you meet their policies and procedures in handling your opt-in list. Email deliverability is about ensuring requested opt-in email is delivered to the intended recipient. While no single tip will enable you to get 100% of your email delivered each one utilized as a group can go a long way to reaching that goal. Close Window http://jhodgson.com/index2.php?option=com_content&task=view&id=159&pop=1&page=0&Itemid=2 Page 2 of 2

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