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05.05.2008 at 08:10AM PDT, ID: 23376612
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8.2

SMTP error

Asked by hienvo in Simple Mail Transfer Protocol (SMTP), Exchange Email Server, Email Servers

Tags:

Hi Experts,

My mail server has got the problem when send email to xx.com domain. The problem occur when the xx.com domain use the Mailhop Relay service from dynDNS.com.

First the message successfully delivery as the log below. After that i got the message error(**)

Domain xx.com can received email from yahoo, google and the others domain except from our x.com domain. Please help, thanks.

Sat 2008-05-03 09:25:51: Parsing message <d:\mdaemon\queues\remote\pd25001129907.msg>
Sat 2008-05-03 09:25:51: *  From: a@x.com
Sat 2008-05-03 09:25:51: *  To: aaa@xx.com
Sat 2008-05-03 09:25:51: *  Subject: RE: record of application from 24 Apr to 2 May 08
Sat 2008-05-03 09:25:51: *  Message-ID: <1EA8A9EC22947C4A9330C83196F53DB98D39A7@backend1.xxx.local>
Sat 2008-05-03 09:25:51: Attempting SMTP connection to [xx.com]
Sat 2008-05-03 09:25:51: Resolving MX records for [xx.com] (DNS Server: 192.168.2.2)...
Sat 2008-05-03 09:25:52: *  P=010 S=001 D=xx.com TTL=(60) MX=[mx1.mailhop.org]
Sat 2008-05-03 09:25:52: *  P=020 S=000 D=xx.com TTL=(60) MX=[mx2.mailhop.org]
Sat 2008-05-03 09:25:52: Attempting SMTP connection to [mx1.mailhop.org:25]
Sat 2008-05-03 09:25:52: Resolving A record for [mx1.mailhop.org] (DNS Server: 192.168.2.2)...
Sat 2008-05-03 09:25:52: *  D=mx1.mailhop.org TTL=(52) A=[63.208.196.181]
Sat 2008-05-03 09:25:52: Attempting SMTP connection to [63.208.196.181:25]
Sat 2008-05-03 09:25:52: Waiting for socket connection...
Sat 2008-05-03 09:25:52: *  Connection established (192.168.4.10:4559 -> 63.208.196.181:25)
Sat 2008-05-03 09:25:52: Waiting for protocol to start...
Sat 2008-05-03 09:25:53: <-- 220 mhfr-07-bos.mailhop.org ESMTP Exim 4.68 Fri, 02 May 2008 22:24:58 -0400
Sat 2008-05-03 09:25:53: --> EHLO mx.x.com
Sat 2008-05-03 09:25:54: <-- 250-mhfr-07-bos.mailhop.org Hello mx.x.com [x.x.x.x]
Sat 2008-05-03 09:25:54: <-- 250-SIZE 10485760
Sat 2008-05-03 09:25:54: <-- 250-PIPELINING
Sat 2008-05-03 09:25:54: <-- 250 HELP
Sat 2008-05-03 09:25:54: --> MAIL From:<prvs=1009e7c67d=a@x.com> SIZE=12522
Sat 2008-05-03 09:25:54: <-- 250 OK
Sat 2008-05-03 09:25:54: --> RCPT To:<aaa@xx.com>
Sat 2008-05-03 09:25:56: <-- 250 Accepted
Sat 2008-05-03 09:25:56: --> DATA
Sat 2008-05-03 09:25:57: <-- 354 Enter message, ending with "." on a line by itself
Sat 2008-05-03 09:25:57: Sending <d:\mdaemon\queues\remote\pd25001129907.msg> to [63.208.196.181]
Sat 2008-05-03 09:25:57: Transfer Complete
Sat 2008-05-03 09:25:58: <-- 250 OK id=1Js7Qr-000MYN-K5
Sat 2008-05-03 09:25:58: --> QUIT
Sat 2008-05-03 09:25:58: <-- 221 mhfr-07-bos.mailhop.org closing connection
Sat 2008-05-03 09:25:58: SMTP session successful (Bytes in/out: 346/12670)

(**) Error message:
From:         Mail Delivery System [Mailer-Daemon@mhfr-03-bos.mailhop.org]
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. This is a permanent error. The following address(es) failed:

  aaa@xx.com
    SMTP error from remote mail server after RCPT TO:<aaa@xx.com>:
    host 63.208.196.167 [63.208.196.167]: 550 User unknownStart Free Trial
 
Keywords: SMTP error
Title
1 SMTP Error
2 smtp
3 SMTP relay with exchange
4 SMTP delivery problem
5 PERM_FAILURE: SMTP Error (state …
6 SMTP relay problem
 
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[+][-]05.05.2008 at 10:40AM PDT, ID: 21501600

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[+][-]05.05.2008 at 04:58PM PDT, ID: 21503906

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[+][-]05.06.2008 at 04:46AM PDT, ID: 21506389

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[+][-]06.16.2008 at 11:31PM PDT, ID: 21800301

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About this solution

Zones: Simple Mail Transfer Protocol (SMTP), Exchange Email Server, Email Servers
Tags: SMTP error from remote mail server after RCPT TO
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Solution Provided By: hienvo
Participating Experts: 2
Solution Grade: A
 
 
 
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