We look at how to stop Thunderbird from identifying messages as junk.
Help! Thunderbird marks messages as junk!

We look at how to stop Thunderbird from identifying messages as junk.
Question: I've been receiving an-email newsletter for several years and suddenly two weeks ago, they stopped coming. I went to the website to sign up for the newsletter again, but it says that I am already subscribed. What's going on? Answer: The most likely culprit is that the spam filter for you e-mail service or program decided that the newsletter looked like a piece of unwanted junk mail or spam. Here's how to fix it.