Getting email returned from the Mailer-Daemon

Posted on 2002-05-09
Last Modified: 2010-03-05
We recieved a message back from our isp saying "Sender domain not compliant with RFC 822, section 6.2.7"  Sorry, guys, went to tech net first and couldn't find anything.  If ya'll answer this one, I'll always come here first!
It also says "this message is in MIME format.  Since your mail reader does not understand this format, some or all of this message may not be legible."

Hugh Hefner
Question by:mhfinc
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LVL 11

Expert Comment

ID: 6999556
Just a single message?  Can you post the entire content of the return message?

Author Comment

ID: 6999621
From:      Mail Delivery System[]
Sent:      Wednesday, May 08, 2002 12:58 PM
Subject:      Mail delivery failed: returning message to sender

This message was created automatically by mail delivery software.

A message that you sent could not be delivered to one or more of its
recipients. The following address(es) failed:
    SMTP error from remote mailer after MAIL FROM:<> SIZE=485083:
    host []:
    550 4.7.1 <>... Sender domain not compliant with RFC 822, section 6.2.7

------ This is a copy of the message, including all the headers. ------
------ The body of the message is 476842 characters long; only the first
------ 102400 or so are included here.
LVL 11

Expert Comment

ID: 6999647
I thought so.  Mindspring has been known to pop this error from their servers.  I assume that you have only gotten a few of these?

Author Comment

ID: 6999681
This is the first I've seen from mind spring.  Is there nothing I can do?  Here is another one, but a different problem.


-----Original Message-----
From:     Mail Delivery System []
Sent:     Tuesday, May 07, 2002 2:07 PM
Subject:     Warning: message 174mjk-0007UA-00 delayed 24 hours

This message was created automatically by mail delivery software.

A message that you sent has not yet been delivered to one or more of its
recipients after more than 24 hours on the queue on

The message identifier is:     174mjk-0007UA-00
The subject of the message is: RE: New #436F Trunk
The date of the message is:    Mon, 6 May 2002 13:58:31 -0400

The address to which the message has not yet been delivered is:

No action is required on your part. Delivery attempts will continue for
some time, and this warning may be repeated at intervals if the message
remains undelivered. Eventually the mail delivery software will give up,
and when that happens, the message will be returned to you.
LVL 11

Accepted Solution

geoffryn earned 100 total points
ID: 6999761
There is not much you can do about the RFC related error.

The other error is unrelated.  The remote mail server may not be responsing.  Most mail relays will only attempt to deliver for 24 hours.  After that they report NDR.  

The MX record for this domain(
 is a little off, it could be causing delivery problems.

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