Hi,

I'm happily using courier on dynds Webserver, but trying to setup another one recently, I've run into trouble. I'm autheticating via authdaemond via mysql (plain) and everything works fine, I can logon, send & receive mail etc. until after an (seemingly undefined) uptime the server disconnects after a successful login. All I get is

   # telnet localhost 143
   Trying ::1...
   Connected to localhost.
   Escape character is '^]'.
   * OK [CAPABILITY IMAP4rev1 UIDPLUS CHILDREN NAMESPACE
   THREAD=ORDEREDSUBJECT THREAD=REFERENCES SORT QUOTA IDLE ACL
   ACL2=UNION STARTTLS] Courier-IMAP ready. Copyright 1998-2011 Double
   Precision, Inc.  See COPYING for distribution information.
   0 LOGIN %user %wrongpass
   0 NO Login failed.
   1 LOGIN %user %pass
   Connection closed by foreign host.

mail.log is full of

   May 21 23:33:48 %host imapd: Connection, ip=[::ffff:%IP]
   May 21 23:39:09 %host imapd: Connection, ip=[::ffff:%IP]
   May 21 23:39:09 %host imapd: Connection, ip=[::ffff:%IP]
   May 21 23:39:09 %host imapd: Connection, ip=[::ffff:%IP]
   May 21 23:39:09 %host imapd: Connection, ip=[::ffff:%IP]
   May 21 23:39:25 %host imapd: Connection, ip=[::ffff:%IP]
   May 21 23:39:25 %host imapd: Connection, ip=[::ffff:%IP]
   May 21 23:39:25 %host imapd: Connection, ip=[::ffff:%IP]
   May 21 23:39:25 %host imapd: Connection, ip=[::ffff:%IP]
   May 21 23:39:45 %host imapd: Connection, ip=[::1]

Where ::1 is telnet (obviously) and %IP is my mail client

Authetication itself (authdaemond) works, postfix (sending mail) still works and I can successfully use authtest

   # authtest %user %pass
   Authentication succeeded.

         Authenticated: %user  (uid 999, gid 999)
        Home Directory: /www/mail
               Maildir: %user@%host
                 Quota: (none)
   Encrypted Password: (none)
   Cleartext Password: %pass
               Options: (none)

Restarting courier, authdaemond, mysqld does not help, rebooting temporarily fixes the problem. A similar server on x86 doesn't have the problem but the config isn't entirely the same so I can't say it must be x64.
Not sure wether this is a bug or I'm missing something. Anyone able to help?

Thanks so far
// The issue is also posted at https://bbs.archlinux.org/viewtopic.php?id=141937 but I didn't receive a reply there

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