Re: [exim] BATV with sender verification

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Author: David Woodhouse
Date:  
To: John Horne
CC: Exim users
Subject: Re: [exim] BATV with sender verification
On Wed, 2007-02-07 at 16:30 +0000, John Horne wrote:
> Anyone know if there is a reason why sender verification should fail
> with BATV addresses? We don't use BATV ourselves, but have received a
> report from a user that they were not receiving certain mail messages.
> It seems that the sender address, batv signed, was not passing the
> sender verification check.
>
> A simple test to the sending host on port 25 gave this output (some of
> it deliberately mangled to hide certain info):
>
> =============================================
> telnet mailgw1.kongsberg.com 25
> Trying 193.71.180.98...
> Connected to mailgw1.kongsberg.com (193.71.180.98).
> Escape character is '^]'.
> 220 KONGSBERG secure smtp receiver
> helo jh.asx.plymouth.ac.uk
> 250 OK
> mail from: <>
> 250 OK
> rcpt to: prvs=fred.bloggs=5377f76c0@???
> 501 This system is not configured to relay mail (r) to
> <prvs=fred.bloggs=5377f76c0@???> for 141.163.18.143
> quit
> 221 kongsberg.com closing
> Connection closed by foreign host.
> =============================================
>
> Is this the sending server being misconfigured, or it objecting to the
> sender verification for some reason?


If it's really sending MAIL FROM:<prvs=fred.bloggs=5377f76c0@???>
but not accepting bounces to that address, then it would appear that
it's simply misconfigured.

--
dwmw2