Fedora 26 : 1:dovecot (2017-e8b639c286)

quota: Add plugin quotamaxmailsize setting to limit the maximum individual mail size that can be saved. + imapc: Add imapcfeatures=delay-login. If set, connecting to the remote IMAP server isn't done until it's necessary. + imapc: Add imapcconnectionretrycount and imapcconnectionretryinterval...