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mailq lockups
\ Joey (5 May 2008)
. \ Victor Duchovni (5 May 2008)
. \ Jan P. Kessler (5 May 2008)
. \ Noel Jones (5 May 2008)
. \ Ralf Hildebrandt (5 May 2008)
. . \ Joey (5 May 2008)
. . . \ Ralf Hildebrandt (5 May 2008)
. . . \ Victor Duchovni (5 May 2008)
. . . \ Noel Jones (5 May 2008)
. . . . \ Joey (6 May 2008)
. . . . . \ Victor Duchovni (6 May 2008)
. . . . . . \ Joey (6 May 2008)
. . . . . . . \ Victor Duchovni (6 May 2008)
. \ Joey (7 May 2008)
. . \ Victor Duchovni (7 May 2008)
. . . \ Joey (8 May 2008)
. . . . \ Victor Duchovni (8 May 2008)
. . . . . \ MacShane, Tracy (9 May 2008)
. . . . . \ Joey (9 May 2008)
. . . . . . \ (Wietse Venema) (9 May 2008)
. . . . . . . \ Joey (9 May 2008)
. . . . . . . . \ (Wietse Venema) (9 May 2008)
. . . . . . . . . \ Joey (13 May 2008)
. . . . . . . . . . \ Victor Duchovni (13 May 2008)
. . . . . . . . . . \ Victor Duchovni (13 May 2008)
. . . . . . . . . . . \ (Wietse Venema) (13 May 2008)
. . . . . . \ Victor Duchovni (9 May 2008)

Subject:Re: mailq lockups
Group:Postfix-users
From:Victor Duchovni
Date:5 May 2008


 
On Mon, May 05, 2008 at 12:09:51PM -0400, Joey wrote:

> I need some help with message that seem to get stuck in the outgoing queue
> in some cases for days.
>
> This is what I find in the log files:
>
> May 5 10:44:48 houston postfix/smtp[5448]: 3F18D2A08A6:
> to=<sixo>, relay=none, delay=177852,
> delays=177852/0.03/0.09/0, dsn=4.4.1, status=deferred (connect to
> myserver.server.net[28.144.16.5]:25: Connection refused)
>
> May 5 10:44:48 houston postfix/smtp[5449]: 518A52A080A:
> to=<sixo>, relay=none, delay=82012,
> delays=82012/0.03/0.08/0, dsn=4.4.1, status=deferred (connect to
> myserver.server.net[28.144.165.5]:25: Connection refused)
>

Don't blame the messenger. Postfix cannot connect to the destination
server which is refusing connections (returns "RST" 80ms or less after
"SYN"). Look for Exchange expertise to determine why the Exchange server
is refusing connections.

See also:

http://www.postfix.org/QSHAPE_README.html#backlog

--
Viktor.

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