On 30 Apr 2009, at 03:08, Stefan Palme wrote: > As far as I understood, a POP3 server must ALWAYS send a response > (+OK or -ERR). But in my case the server does not response at all. > > Any hints why/how this can happen? I see this behaviour very > often on the wire. Maybe it is worth mentioning that the client > in this case is MS Exchange. Is the pop server hung? Perhaps the mailbox is corrupted, so message two is causing the pop server to hang, crash, whatever. :wes ---- 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