Spam has taken a turn and not for the better. I've been using K9 for a couple of years and it's been doing great.
However, recently spammers begun putting their message in an embedded gif. Then they throw a lot of random text in the body to confuse the Bayesian filters. Unfortunately, it seems like they're being successful at it. Look at the following statistics report from K9:Since February 2005, K9 has only missed 2% of spam. However, looking at only August 2006, that has jumped to 5.5%.
This afternoon when I checked my e-mail, I had 5 messages. All of these were this type of spam. K9 correctly identified 2 of the 5 as spam but missed the other 3.
What's a body to do?