On Fri, 2010-10-01 at 10:50 +0530, Sherin George wrote: > "To alleviate this, a server may implement an inactivity timeout,
"may" > unilaterally closing a session (after first sending an untagged BYE, > as noted above). Some server operators have reported dramatic > improvements in server performance after doing this. As specified in > [RFC-2060], if such a timeout is done it must not be until at least 30 > minutes of inactivity. "at least 30 minutes" > So, shouldn't an imap server like dovevot be configured with 30 minutes > timeout. Dovecot has 30 minutes timeout everywhere except in IDLE. It used to do it also with IDLE, but this broke many widely used clients (Outlook, Thunderbird and (some versions or a plugin of) Mail.app).