Re: [Exim] Odd behavior with DynDns backup MX

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Author: Dave C.
Date:  
To: Dan Egli
CC: exim-users
Subject: Re: [Exim] Odd behavior with DynDns backup MX
On Wed, 14 Nov 2001, Dan Egli wrote:

> Ok, this is very strange. I need help. I have exim on two machines in the
> DynDNS domain. One is almost always up (DSL) the other is only up around 50%
> of the time. DSL machine is shortcircuit, the other machine (on a dialup) is
> called EgliFam (my wife's idea). So I setup my dyndns record for
> eglifam.dyndns.org to point to shortcircuit.dyndns.org as a backup MX. Exim
> recieves the mail no prob, tries to connect to eglifam, cannot connect. But
> instead of storing the mail and waiting, it tries to connect to itself
> (using it's other names). IT keeps looping till finally it quits after
> detecting a possible mail loop.



The backup MX doesnt recognize the name its pointed to as a secondary MX
as being its own hostname.


> Here's a log segment:
>
> 2001-11-14 15:46:29 1648nc-0006i2-00 => queenie@???
> R=amavis_router T=amavis
> 2001-11-14 15:46:29 1648nc-0006i2-00 Completed
> 2001-11-14 15:46:50 1648nd-0006iB-00 eglifam.dyndns.org [166.70.6.151]:
> Connection refused
> 2001-11-14 15:46:52 1648nz-0006iE-00 <= <>
> H=slkcdslgw9poolb110.slkc.uswest.net (shortcircuit.dyndns.org)
> [65.100.210.110] P=esmtp $
> 2001-11-14 15:46:52 1648nd-0006iB-00 => queenie@???
> R=lookuphost T=remote_smtp H=shortcircuit.dyndns.org [65.100.210$
> 2001-11-14 15:46:52 1648nd-0006iB-00 Completed
> [repeating error deleted to save bandwidth]
> 2001-11-14 15:47:18 1648oQ-0006kh-00 <= <> U=amavis P=scanned-ok S=7903
> id=E1648nW-0005oa-00@???
> 2001-11-14 15:47:18 1648oP-0006kY-00 => queenie@???
> R=amavis_router T=amavis
> 2001-11-14 15:47:18 1648oP-0006kY-00 Completed
> 2001-11-14 15:47:20 1648oR-0006kk-00 <= <>
> H=slkcdslgw9poolb110.slkc.uswest.net (shortcircuit.dyndns.org)
> [65.100.210.110] P=esmtp $
> 2001-11-14 15:47:20 1648oQ-0006kh-00 => queenie@???
> R=lookuphost T=remote_smtp H=shortcircuit.dyndns.org [65.100.210$
> 2001-11-14 15:47:20 1648oQ-0006kh-00 Completed
> 2001-11-14 15:47:21 1648oT-0006ku-00 <= <> U=amavis P=scanned-ok S=8307
> id=E1648nW-0005oa-00@???
> 2001-11-14 15:47:21 1648oT-0006ku-00 ** Too many "Received" headers -
> suspected mail loop
>
>
> Whats going on? Why is it always calling itself again? slkcdslgw9boolb110 is
> the address my DSL currently has from my local TelCo.
>
> Any help is appreciated!
>
>
>
> --
>
> ## List details at http://www.exim.org/mailman/listinfo/exim-users Exim details at http://www.exim.org/ ##
>
>


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