What’s inside:

How spam filters work and how to avoid them. Tips include:

  • Checking campaigns before sending
  • Preventing false abuse reports
  • Using a double opt-in method
  • Checking your reputation

Innocent email marketers who send permission-based emails to people who requested them get spam filtered all the time. Unfortunately, there's not a quick fix. The only way to avoid spam filters is to understand what spam is and how the filters work. This guide gives you the rundown.

Excerpt

By now, most email marketers know to avoid using spammy phrases like "FREE! CLICK NOW!" or the spam filters will trash your message. But did you know that before your email even gets to a spam filter, it has to get through a gatekeeper? Yep, spam is so bad that spam filters now need spam filters to help them.
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