From: Tony Earnshaw (tonnihetnet.nl)
Date: Fri Feb 08 2008 - 05:41:35 CST

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Daniel Black skrev, on 08-02-2008 11:11:

> Had some trouble deploying dkim-milter-2.4.4 on postfix-2.4.6 (debian etch backports - tried etch 2.3.8 and had the same troubles) and mailman_2.1.9-7.
>
> DKIM-milter is deployed and signing and verifing mode with its primary intent to sign emails on lists.cacert.org mailing lists.
>
> Feb 7 09:27:09 lists postfix/master[22912]: daemon started -- version 2.4.6, configuration /etc/postfix
> I deployed it as a typical and sole milter
> smtpd_milters = unix:extern-milter/dkim-filter.sock
> non_smtpd_milters = $smtpd_milters
>
> Testing on a tiny email list and the email came through signed by dkim.
>
> Feb 7 10:28:29
> an email when through to a larger email list cacert-policylists.cacert.org without any error
>
> after a significant number of hours without a peep out of dkim-filter I start to get.
>
> Feb 7 14:40:05 lists postfix/cleanup[15075]: F13C6108238: message-id=<20080207121552.9F42BB01B3hlin.cacert.org>
> Feb 7 14:40:05 lists postfix/cleanup[15075]: warning: milter unix:extern-milter/dkim-filter.sock: can't read SMFIC_HEADER reply packet header: Connection reset by peer
> Feb 7 14:40:05 lists postfix/cleanup[15075]: F13C6108238: milter-reject: END-OF-MESSAGE from lists.cacert.org[172.16.2.17]: 4.7.1 Service unavailable - try again later; from=<cacert-support-bounceslists.cacert.org> to=<XXXXXXXXXXXX.com> proto=ESMTP helo=<lists.cacert.org>
> Feb 7 14:40:05 lists postfix/smtpd[15071]: disconnect from lists.cacert.org[172.16.2.17]
> Feb 7 14:40:05 lists postfix/smtpd[15071]: connect from lists.cacert.org[172.16.2.17]
> Feb 7 14:40:05 lists postfix/smtpd[15071]: 05DE1108238: client=lists.cacert.org[172.16.2.17]
> Feb 7 14:40:05 lists postfix/cleanup[15075]: 05DE1108238: message-id=<20080207121552.9F42BB01B3hlin.cacert.org>
> Feb 7 14:40:05 lists postfix/cleanup[15075]: warning: milter unix:extern-milter/dkim-filter.sock: can't read SMFIC_HEADER reply packet header: Connection reset by peer
> Feb 7 14:40:05 lists postfix/cleanup[15075]: 05DE1108238: milter-reject: END-OF-MESSAGE from lists.cacert.org[172.16.2.17]: 4.7.1 Service unavailable - try again later; from=<cacert-support-bounceslists.cacert.org> to=<XXXXXXXXXXXX.de> proto=ESMTP helo=<lists.cacert.org>
>
> These occured for these same to email recipients, every 15 minutes from until Feb 7 21:00:15 when I woke up in a haze. noticed it was failing and turned it off.
> The dkim-milter still seems to be running happliy on its unix socket.
>
> This is also noted on
> http://sourceforge.net/mailarchive/message.php?msg_id=476123D1.5000602%40hetnet.nl
> (the second error). I still can't get a total grasp of whats happing though.
>
> Any tips on how to isolate this error would be really welcome as I really don't want to be trialing on a live system too much.

I notice you cite my post; I stick to what I wrote: Postfix (2.5 in my
case) has no trouble with dkim-milter 2.4.3 and mailings to over 1000
LDAP posixGroup based recipients at a time. But Unix sockets have given
problems in the past, inet none. And all my dkim-milter based stuff is
called out of master.cg, not main.cf. dkim-milter is called by my last
smtpd listener before the message goes to cleanup.

Best,

--Tonni

--
Tony Earnshaw
Email: tonni at hetnet dot nl

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