Topic 7 ~ Understanding Spam Filters ~

Understanding Spam Filters to Avoid Your Emails Get Junked!

If you send email campaigns long enough, you will inevitably run into spam filter issues. On average, you can expect 10-20% of your emails to just get lost in cyberspace, mostly due to overzealous spam filters. Unfortunately, there is no quick fix. If you want to avoid getting your emails junked by spam filters, you have to understand how they work.

Generally speaking, spam filters look at a long list of criteria to judge whether or not your email is junk. For example, they might look for spammy phrases like "CLICK HERE!" or "FREE! BUY NOW!". They'll assign points each time they see one of those phrases. Certain criteria get more points than others. Here's a sample of criteria from Spam Assassin, one of the most popular spam filters out there:

• Talks about lots of money (.193 points)

• Describes some sort of breakthrough (.232 points)

• Looks like mortgage pitch (.297 points)

• Contains urgent matter (.288 points)

• Money back guarantee (2.051 points)

• Why Pay More? (1.249 points)

It's easy to use "spammy" keywords in your email without even knowing it. Here are some common ways marketers unwittingly trigger spam filters with their campaigns:

1. Using spammy phrases, like "Click here!" or "Once in a lifetime opportunity!" too many times in your email. Sometimes, you can't avoid phrases like "FREE SHIPPING!" but use them sparingly, and don't do anything else risky.

2. Going crazy with exclamation points!!!!!!

3. USING ALL CAPS, WHICH IS LIKE YELLING IN EMAIL

4. Coloring their fonts bright red, or green

5. Coding sloppy HTML (such as by converting a Microsoft Word file to HTML)

6. Creating an HTML email that's nothing but one big image, with no text (since spam filters can't read images, they assume you're a spammer that's trying to trick 'em)

7. Using the word "Test" in the subject line (agencies run into this all the time, when sending drafts to clients for approval).....Next Page

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