Email Deliverability Tips|Hotmail Deliverability
Hotmail DeliverabilityEnsuring 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.
About Hotmail Deliverability
Permission
Confirming that the population who ask for your information have unmistakably 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 someone to your list they must click that unique link verifying that they are unmistakably the same someone 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 former Isp address.
List Maintenance
Always promptly take off 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. Isp's track what ration of your newsletters bounce and will block them if you endeavor to continually deliver messages to done subscriber mailboxes.
Message Format
Usage of Html messages to allow for text formatting, complicated 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 in the middle of 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 leading to all the time send a plain text alternative message, also called text/Html multi-part mime format.
Content
Many Isp's filter based on the article that appears within the message text.
Website Url: research inherent 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: pick your language considered when crafting messages. Avoid hot button topics often found in spam such as medication, mortgages, manufacture money, and pornography. If you do need to use words that might be filtered, don't endeavor to obfuscate words with extra characters or odd spelling, you'll just make your messages appear more spam like. Images: Avoid creating messages that are entirely images. Use images sparingly, if at all. Generally used open rate tracking technology uses images to guess opens. You may pick 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. It's often good to link to files via a website Url to reduce recipient fear of attachments and reduce the broad message size.
Can-Spam Compliance
The January 2004 Federal Can-Spam law introduced a number of rules about the delivery of email. It's leading you have your legal counsel recap your practices and ensure you are in compliance. The two most leading rules consist of having a valid postal mail address listed in all market messages and a working unsubscribe link that is promptly honored to take off the subscriber from time to come messages.
Reputation
Reputation services are often used by large Isp's as a way to vet email senders about their email practices and policies. Businesses listed with these services are then given less stringent filtering or no filtering at all. Some prestige services are:
http://www.isipp.com/iadb.php http://www.bondedsender.com http://www.habeas.com
Relationships & Whitelisting
Contact with major Isp's and email providers is important in letting them know about your requested subscriber email. Many large providers such as Aol and Yahoo have definite 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.
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Email Deliverability Tips|Hotmail Deliverability
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