How to Stop Your Email Newsletter Being Blocked by Spam Filters
Email newsletters are a critical tool in the
The number one reason why email newsletters don't get delivered is
Therefore it's important that you know why this is and how you can reduce the chance that it happens.
Spam filters are like bingo cards.
Tip #1 - Check All Email Copy Using a Spam Checker Tool
Spam checker tools put your email copy through a spam filter and create a report about how it was viewed. This will instantly tell you if you have
Tip #2 – Know What Words Spam Filters Look For
Spam filters look for certain words, phrases, layouts and email characteristics.
The number one cause for blocking an email is the use of words that commonly appear in spam. Some are obvious like free, Viagra, and get rich. Some are not so obvious like opportunity, amazing and compare.
Tip #3 – Think Carefully About Your Subject Line
Every spam filter is weighted to take a long hard look at the subject line. Avoid using any of the spam filter words in this sensitive field.
Tip #4 – Text-Based Emails are Best
Many email newsletters are
Tip #5 – Avoid all image Emails
Some emailers put their whole message in a big image; big mistake. Not only the spam filters likely to take an immediate dislike to the
Tip #6 – Avoid Attachments
Many viruses are hidden in attachments so spam filters and firewalls are often programmed to block attachments from unknown email addresses. Avoid attachments if you can.
Tip #7 – Avoid Using BCC
Tip #8 – Don't Use Color Text and Background Colors
If you use color text or color backgrounds in your newsletter the spam filters will wag their fingers and look for other questionable characteristics and reasons to block you.
Tip #9 – Most Spam Has a Small File Size
Most spam has a file size of less than 20k. Therefore newsletters with quite a lot of text are more likely to get through. The ideal file size is 20k – 50k.
Tip #10 – No Viruses
Sounds an obvious point, but if you are sending an email from your own PC, make sure you have anti-virus software loaded. The quickest way to get blacklisted by every firewall is to distribute a virus.
I would recommend using a good email service like Constant Contact, Lyris or Exact Target to distribute your newsletter. It is too important to screw up. Getting blacklisted can take a huge amount of effort to recover from.