On 04 Jun 2010, at 12:23, Gary Mills wrote: > I wonder if an upgrade will solve this problem? Perhaps. The test accompanying that change suggests it might: Prevented SSL_accept() from blocking indefinitely when using TLS/SSL Of course, without a better backtrace, we don't know if you were in SSL_accept(). Do you have syslog from that process, suggesting that it had just accepted the connection and perhaps hadn't authN'd the user, yet? I'd take that as confirmation that the problem was in the SSL_accept() code. :wes ps I still think prot needs a re-write, whether the above is the problem you're seeing. ---- 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