[Dovecot] Related 2.0.alpha2 issue

[Mike Abbott]

Just saw this new twist to an issue I reported last week with  
dovecot-2.0.alpha2.  I logged into an IMAP account using telnet to  
port 143.  After 30 seconds dovecot closed the connection.

Mon Nov	 2 16:00:07 server dovecot[52355]: imap: dup2(-1, 5) failed:  
Bad file descriptor
Mon Nov	 2 16:00:07 server dovecot[52355]: imap: service(imap): dup2s  
failed
Mon Nov	 2 16:00:07 server dovecot[52355]: imap-login: Login:  
user=<userV>, method=PLAIN, rip=192.168.1.10, lip=192.168.1.7, pid=59521
Mon Nov	 2 16:00:37 server dovecot[52353]: master: service(imap):  
Initial status notification not received in 30 seconds, killing the  
process
Mon Nov	 2 16:00:37 server dovecot[52353]: master: service(imap):  
child 59521 killed with signal 9
Mon Nov	 2 16:00:37 server dovecot[52353]: master: service(imap):  
command startup failed, throttling