Re: [courier-users] 456 plus 502 errors

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Hi.

On Wednesday 30 April 2008, Mark Constable wrote:
> I need help with this one, if I try to send an email to anyone at
> @bigpond.net.au I get these 2 errors below but if I telnet to their
> MX hosts port 25 directly then a test message will go through okay
> so it seems to only be a problem when I send via my local courier-mta.
>
> =A0Apr 30 16:09:27 mail courieresmtpd: error,relay=3D::ffff:xx.240.81.28,
> =A0from=3D<markc@renta.net>,to=3D<xyz@bigpond.net. au>:
> =A0456 Address temporarily unavailable.
>
> =A0Apr 30 16:09:27 mail courieresmtpd: error,
> =A0relay=3D::ffff:xx.240.81.28,msg=3D"502 ESMTP command error",cmd: DATA =
=A0 =A0 =A0 =A0

At first: the second one is just a follow-up-error.

Your quotes come from esmtpD-log, that's your receiving SMTP daemon. That's=
=20
not the process of delivering mail to the other host.

My suggestion is: Delivery to that host has failed before and this list is =
on=20
the backscatter-suppression-list.
Try=20
courier clear xyz@bigpond.net.au
and see if this fixes the issue. It should go away by waiting some time,=20
either.

If you want to dig deeper, you must find the first error. See esmtp logs, a=
s=20
opposed to esmtpd.

regards, Bernd

=2D-=20
You know you're getting old when you can't tell the difference between
a heart attack and an orgasm.

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