courier-imap-4.3.0 breaks connecting/logging in for some users

Stefan Bethke stb at
Mon Dec 17 11:13:51 PST 2007

Hi there,

just a quick observation since I don't have time to fully debug this  

On 6-stable from mid-October 4.2.1

works fine, but the most recent port
# $FreeBSD: ports/mail/courier-imap/Makefile,v 1.122 2007/12/12  
15:51:28 oliver Exp $

breaks connecting/login for some users with some clients, at least.

No errors are logged (or I can't find them but I was looking at  
*.debug) for the clients that don't work. Clients (squirrelmail, Apple  
Mail, Thunderbird, fetchmail) appear to report a dropped connection  
and/or wrong user/pass.

Anybody else seeing this? How can I convince couriertcpd/imaplogin/ 
couriertls/imapd to produce *any* log output for those connection  
attempts? Googling around I only found suggestions to start strace/ 
ptrace'ing processes, and I find that a rather annoying method to find  
the root cause.


Stefan Bethke <stb at>   Fon +49 170 346 0140

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