Thanks for all the suggestions. I'll discuss the problem with upstream again and then decide what to do.
On the Debian side, I'll probably implement the big debconf message. It should inform the user about the change and suggest stopping MTA on the computer until crm114 behavior is checked (and fixed if necessary). The installation script could offer to stop the MTA itself, but I'm afraid of situations when this action would fail, resulting in various problems up to mail loss again. -- To UNSUBSCRIBE, email to [email protected] with a subject of "unsubscribe". Trouble? Contact [email protected]
