Exim can be made to accept syntactically invalid hostnames with one of the
global settings (the exact one escapes me at the moment but it is simple to
find in the documentation). However, I've had pretty good luck with
contacting the owners of the improperly named host and explaining that
underscores are not allowed. For some reason this particular naming flaw
seems to plague administrators of exchange servers.
-David
----- Original Message -----
From: "Paul Wilson" <prw@???>
To: "Frank DeChellis" <frankd@???>
Cc: <exim-users@???>
Sent: Friday, September 27, 2002 4:38 PM
Subject: Re: [Exim] What does this error mean?
> On Fri, 27 Sep 2002, Frank DeChellis wrote:
>
> > We're running Exim 4.0
> >
> > We have a few client who are unable to email us and from one we get this
> > error message in our mainlog for exim
> >
> > 2002-09-27 16:14:42 rejected HELO from ral-exch.fminet.com
[208.17.36.8]:
> > syntactically invalid argument(s): ral_exch.fminet.com
> >
> > Can anybody tell me what a "syntactically invalid argument" is?
>
> Underscores are not allowed in hostnames therefore "ral_exch.fminet.com"
> is an invalid argument to the HELO/EHLO command.
>
> Paul
>
>
> --
>
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