Short description of TabMail 2.7: Automatic attachments compression
Warn when open (or save) dangerous attachments
Message filtering (input and output) using regexp
Spam filtering using SpamBayes additions
Simple view of compound messages
Message-thread can span many mailboxes
HTML messages view as plain text
SMTP and POP3 authentication
Support for SSL/TLS connections
Scanning attachments for viruses
Tracing for diagnosing TCP, POP3, SMTP or filter errors