Re: [IMail Forum] Unknown User problem probably not iMail's problem

Thu, 13 Mar 2003 09:50:07 -0800

Scott,
 
That particular SMTP server is not set up to accept, or relay mail for that domain (lewismunday.com).  However, that server is NOT one of the servers set up to in the DNS for lewismunday.com as an MX, but rather just their A record.  It's normal to try the A record to deliver mail, but only after the MX records fail to accept the mail, or if no MX records exist.  This leads me to the question, do you see IMail trying to deliver this email to mail.lewismunday.net (209.219.70.10) and mail.izzy.net (207.158.132.178) before it finally tries lewismunday.net (64.226.100.46)?  If not, then something is wrong on your end doing the lookups for the domain lewismunday.net.  If it is, and fails both of those connections, then tries lewismunday.net, then your side is working properly, and the problem is most likely on their end.
 
Chris
 
----- Original Message -----
Sent: Thursday, March 13, 2003 12:24 PM
Subject: [IMail Forum] Unknown User problem probably not iMail's problem

I am having an intermittent problem with email bouncing supposedly because the user is unknown. The problem is I know the address is correct. Here is the bounce message and header.
 
 
Unknown user: [EMAIL PROTECTED]
 
Original message follows.
Received: from scottc [192.168.85.16] by nt001.kt.com
(SMTPD32-6.00) id A3306E6E0136; Thu, 13 Mar 2003 11:34:56 -0500
Reply-To: <[EMAIL PROTECTED]>
From: "Scott W. Coleman" <[EMAIL PROTECTED]>
To: "'Abdelnour, Donald \(D.S.\)'" <[EMAIL PROTECTED]>,
"'Lance Govang'" <[EMAIL PROTECTED]>,
"'tjbliznik'" <[EMAIL PROTECTED]>
Cc: "'Darice Weber'" <[EMAIL PROTECTED]>,
"'Deloris Newell'" <[EMAIL PROTECTED]>,
"'Ryan Dorner'" <[EMAIL PROTECTED]>,
"'Tammy Nelson'" <[EMAIL PROTECTED]>
Subject: RE: Pipe Break 3/11/03
Date: Thu, 13 Mar 2003 11:29:34 -0500
Message-ID: <[EMAIL PROTECTED]>
MIME-Version: 1.0
Content-Type: multipart/mixed;
boundary="----=_NextPart_000_00C8_01C2E953.D334B780"
X-Priority: 3 (Normal)
X-MSMail-Priority: Normal
X-Mailer: Microsoft Outlook CWS, Build 9.0.2416 (9.0.2911.0)
Importance: Normal
X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106
In-Reply-To: [EMAIL PROTECTED]
 
Here is the snip from the mail log
 
03:13 11:40 SMTP-(00000156) Connect lewismunday.com [64.226.100.46:25] (2)
03:13 11:40 SMTP-(00000156) 220 ipswew0026atl2.usa.prod.interland.net Microsoft ESMTP MAIL Service, Version: 5.0.2195.5329 ready at  Thu, 13 Mar 2003 11:37:05 -0500
03:13 11:40 SMTP-(00000156) >EHLO nt001.kt.com
03:13 11:40 SMTP-(00000156) 250-ipswew0026atl2.usa.prod.interland.net Hello [64.1.80.50]
03:13 11:40 SMTP-(00000156) 250-AUTH GSSAPI NTLM LOGIN
03:13 11:40 SMTP-(00000156) 250-AUTH=LOGIN
03:13 11:40 SMTP-(00000156) 250-TURN
03:13 11:40 SMTP-(00000156) 250-ATRN
03:13 11:40 SMTP-(00000156) 250-SIZE 2097152
03:13 11:40 SMTP-(00000156) 250-ETRN
03:13 11:40 SMTP-(00000156) 250-PIPELINING
03:13 11:40 SMTP-(00000156) 250-DSN
03:13 11:40 SMTP-(00000156) 250-ENHANCEDSTATUSCODES
03:13 11:40 SMTP-(00000156) 250-8bitmime
03:13 11:40 SMTP-(00000156) 250-BINARYMIME
03:13 11:40 SMTP-(00000156) 250-CHUNKING
03:13 11:40 SMTP-(00000156) 250-VRFY
03:13 11:40 SMTP-(00000156) 250 OK
03:13 11:40 SMTP-(00000156) >MAIL FROM:<[EMAIL PROTECTED]>
03:13 11:40 SMTP-(00000156) 250 2.1.0 [EMAIL PROTECTED] OK
03:13 11:40 SMTP-(00000156) >RCPT To:<[EMAIL PROTECTED]>
03:13 11:40 SMTP-(00000156) 550 5.7.1 Unable to relay for [EMAIL PROTECTED]
03:13 11:40 SMTP-(00000156) >QUIT
03:13 11:40 SMTP-(00000156) 221 2.0.0 ipswew0026atl2.usa.prod.interland.net Service closing transmission channel
03:13 11:40 SMTP-(00000156) Trying visteon.com (0)
 
I see that this time there is a message in the mail log that says it can't relay for that user. I am correct in assuming that they have multiple mail servers and the problem is on their end?
 
Can anyone reccomend a good book on SMTP. It might help to be able to understand what all of this stuff means. :)
 
thanks for the help.

Scott W. Coleman
Network Administrator
Kramer-Triad Management Group
734-973-5500 (voice) 734-973-0001 (fax) 734-531-2101 (direct)
888-206-0368 (toll free)

 
 

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