Use MAIL_INDEX_SYNC_FLAG_AVOID_FLAG_UPDATES so we don't keep writing flag changes to transaction log.
Use MAIL_INDEX_SYNC_FLAG_AVOID_FLAG_UPDATES so we don't keep writing flag
changes to transaction log.

damoxc/dovecot,damoxc/dovecot,damoxc/dovecot,damoxc/dovecot,damoxc/dovecot