I suspect that backporting that functionality would be pretty easy. Have you looked for the commit that added it to 2.3? :wes On 12 Aug 2009, at 05:42, David Mayo wrote: > We undertook the first stage of our IMAP server upgrade yesterday and > introduced a front-end proxy running Cyrus 2.2 in front of our sole > back-end server running Cyrus 2.2. > > Since the upgrade, when a Pine user sends an email, the email is sent > fine however when Pine appends the message to the sent-mail mailbox it > asks the user to reauthenticate. Looking at the telemetry, the proxy > server is advertising MAILBOX-REFERRALS[1] and Pine is trying to use > them[2] but isn't able to silently reauthenticate the user. > > Looking at the man pages for imapd.conf there is a useful feature > proxyd_disable_mailbox_referrals however this was introduced in > Cyrus 2.3. > > Does anyone have any suggestions as to how to stop the front-end proxy > server from advertising MAILBOX-REFERRALS and/or for Pine to ignore > such > capabilities. ---- Cyrus Home Page: http://cyrusimap.web.cmu.edu/ Cyrus Wiki/FAQ: http://cyrusimap.web.cmu.edu/twiki List Archives/Info: http://asg.web.cmu.edu/cyrus/mailing-list.html