MX lists

Barry Margolin barmar at
Mon Nov 8 18:34:52 UTC 1999

In article <806bhm$m7d$1 at>,
Marc Redmile-Gordon <marc at> wrote:
>Hello again,
>I hope you can help me get my head above water...
>Before I tie up some other DNS & Mail issues I have to sort out trouble with
>an "MXentry"
>Mails sent to us are being bounced back to the sender like this:

The MX list for the domain points to your server, but nothing in its
sendmail configuration tells it how to deliver that mail.  You need to add to the file.

>-----Original Message-----
>From: Mail Delivery Subsystem [mailto:MAILER-DAEMON at ]
>Sent: Monday, November 08, 1999 10:46
>To: postmaster; sender at
>Subject: Returned mail: Local configuration error
>  The original message was received at Mon, 8 Nov 1999 10:45:33 GMT from
>----- The following addresses had permanent fatal errors -----
><mailaddress at>
>----- Transcript of session follows -----
>554 MX list for points back to
>554 <mailaddress at>... Local configuration error
>I have removed a masquerading entry in for ""
>I don't think we need ANY reference to this server ( it used to be a pop
>account holder but now we just use sendmail and have things routed directly
>to us )
>So, mail sent to X at is pointed to X at - I don't
>see the problem ?  ( I have been told by various people that there is no
>problem receiving mail at domain A addressed to people at domain B simply by
>having an mxpoint from B to A)
>( The mail server is also a dns server running named on SCO 505. )
>Where am I going wrong ?

Barry Margolin, barmar at
GTE Internetworking, Powered by BBN, Burlington, MA
Please DON'T copy followups to me -- I'll assume it wasn't posted to the group.

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