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Re: Backup sendmail


Andrzej Adam Filip Apr 3, 2012 11:36 PM
Posted in group: comp.mail.sendmail
Steve <nor...@crap.com> wrote:
> I had a look and here is what I got :
>
> here is the log of the Backup serveur :
>
> from=<oo...@hotmail.com>, size=5998, class=0, nrcpts=1,
> msgid=<SNT115-W41638A7FB8E22C06A11E45B74D0@phx.gbl>, proto=ESMTP,
> daemon=MTA, relay=smtp5-g21.gmx.fr [212.27.42.5]
> Apr  3 07:57:26 mail sendmail[14870]: q335vO2p014870: SYSERR(root): Too
> many hops 26 (25 max): from <oo...@hotmail.com> via
> smtp5-g21.gmx.fr, to <f...@example.com>
> Apr  3 08:30:08 mail sendmail[15219]: q335vO2p014870: SYSERR(root): Too
> many hops 26 (25 max): from <oo...@hotmail.com> via localhost, to
> <f...@example.com>
> Apr  3 08:30:08 mail sendmail[15219]: q335vO2p014870: q336U82q015219: DSN:
> Too many hops 26 (25 max): from <oo...@hotmail.com> via localhost,
> to <f...@example.com>
>
>
>
> Email back
>
> The original message was received at Tue, 3 Apr 2012 07:57:25 +0200
> from smtp5-g21.gmx.fr [11.11.42.5]
>
> ----- The following addresses had permanent fatal errors -----
> <f...@example.com>
> (reason: 554 5.4.6 Too many hops)
>
> ----- Transcript of session follows -----
> 554 5.4.6 Too many hops 26 (25 max): from <oo...@hotmail.com> via localhost,
> to <f...@example.com>
>
> So, after 5 min, the message stay for a long stay in the 'message queue' of
> the backup server and then got back to the sender.....
>
> - Any idea what could it be ?

It is most likely a short mail loop.

Take a look at "Received:" headers of the original message attached to
bounce email (Email back) to know which server is responsible/misconfigured.