The test results you have selected are very old and may not represent the current state of Wine.
Selected Test Results (selected in 'Test Results' table below)
Most features; TSL (POP3/SMTP test via yahoo.co.uk)
What does not
Bugs #9735 and 10213 (ctrl+f4 related) still not corrected; SSL connections time out with a network error (POP3/smtp test via yahoo.co.uk and sky.com = re-badged gmail) - possible handshake problem
What was not tested
Usability and rating held back by long standing bugs
by Thomas R. Stephenson on Wednesday January 30th 2008, 17:06
I've been testing v4.41 and 0.9.54 and I can reply, and send new mail without the program "going away" if I have the classic reader open. I also went into the preview mode and can create a new message, reply and forward without a problem.