User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:188.8.131.52) Gecko/2009032609 Firefox/3.0.8 Build Identifier: 184.108.40.206 I have four email servers, two POP, two IMAP. BD Antispam icons ("Is spam," "Is not spam," etc.) live only for POP servers. Why not for IMAP servers? Reproducible: Always
"BD Antispam icons"? Some extension that's adding extra icons? (try thunderbird.exe -safe-mode) If not, enable spam filtering in the account junk settings of those accounts.