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Outgoing mail stuck in queue with response of "the remote server did not respond to a connection attempt" to any domain (Exch2k3)

Posted on 2004-10-25
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Last Modified: 2008-02-01
I'm currently running an Exchage Server 2003 w/ SP1 on a Win2K3 box.  I have no problems receiving email (pennnetworkconsulting.com is the domain).  However, I cannot send any outgoing mail regardless of the domain.  I have tried a large amount of domains for email tests and none go through.  All of these domains can be resolved fine (via nslookup) from the Exchange box, but they sit in the outgoing queue on retry with a "the remote server did not respond to a connection attempt" message.  Forcing the connection does not help.  I've done a dnsreport.com test on my domain without any errors.  The Exchange box sits behind a Netgear WGT624v2 router with all the appropriate ports being forwarded.  I can telnet into my exchange server from the outside world fine (used a remote terminal server).  I've been searching through other similar questions, but none have helped.  It does not appear to be a DNS issue--I'm running DNS on the exchange box with it pointed to itself for resolution and have my ISP's DNS servers as forwarders.  I completly re-worked my entire setup over the weekend in hopes to resolve the issue--but alas, no dice.  Any ideas are greatly appreciated, I'm at the end of my rope here.  I have a feeling that it's something simple and I just need another pair of eyes to look at it.  Thanks!

rmccune218
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Question by:rmccune218
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16 Comments
 
LVL 5

Expert Comment

by:Maharajkp
ID: 12403697
use "set vc" ... before Querying for MX, under NSLookup, to force it to make TCP Queries

Test SMTP Communication with any problemetic Domain ... and see if dropping a message manually works or not
http://support.microsoft.com/?id=838049

Turn on Diagnostics logging on Transport
Enable NCSA Logging on SMTP Virtual Server

And My Favourite any 3rd Party Products ... AntiVirus/AntiSpam?

0
 

Author Comment

by:rmccune218
ID: 12403899
Thanks for the response.  Will try the above suggestions and let you know the results.  As for 3rd party--nothing...it's a fresh install and I havn't reached that point yet.
0
 

Author Comment

by:rmccune218
ID: 12404061
OK.

Used set vc command--getting valid resolution for problematic domains.  Will try the article you suggested when I can get through to the MS site.  

NCSA on the virtual server is on:

#Software: Microsoft Internet Information Services 6.0
#Version: 1.0
#Date: 2004-10-25 16:19:39
#Fields: time c-ip cs-method cs-uri-stem sc-status
16:19:39 216.38.168.200 QUIT - 240
16:24:15 69.2.200.182 HELO - 250
16:24:15 69.2.200.182 MAIL - 250
16:24:15 69.2.200.182 RCPT - 250
16:24:15 69.2.200.182 RCPT - 250
16:24:15 69.2.200.182 RCPT - 550
16:24:15 69.2.200.182 RCPT - 550
16:24:15 69.2.200.182 QUIT - 240
#Software: Microsoft Internet Information Services 6.0
#Version: 1.0
#Date: 2004-10-25 16:28:37
#Fields: time c-ip cs-method cs-uri-stem sc-status
16:28:37 65.215.13.166 EHLO - 250
16:28:37 65.215.13.166 MAIL - 250
16:28:37 65.215.13.166 RCPT - 250
16:28:37 65.215.13.166 DATA - 250
16:28:37 65.215.13.166 QUIT - 240
16:30:45 208.184.224.72 HELO - 250
16:30:45 208.184.224.72 MAIL - 250
16:30:45 208.184.224.72 RCPT - 250
16:30:45 208.184.224.72 DATA - 250
16:30:45 208.184.224.72 QUIT - 240
16:31:42 12.29.228.211 EHLO - 250
16:31:42 12.29.228.211 MAIL - 250
16:31:42 12.29.228.211 RCPT - 250
16:31:42 12.29.228.211 DATA - 250
16:31:42 12.29.228.211 QUIT - 240
16:35:19 65.215.13.166 EHLO - 250
16:35:19 65.215.13.166 MAIL - 250
16:35:19 65.215.13.166 RCPT - 250
16:35:19 65.215.13.166 DATA - 250
16:35:19 65.215.13.166 QUIT - 240
16:40:13 207.252.166.70 EHLO - 250
16:40:13 207.252.166.70 MAIL - 250
16:40:13 207.252.166.70 RCPT - 250
16:40:13 207.252.166.70 DATA - 250
16:40:13 207.252.166.70 QUIT - 240
16:41:19 69.2.200.182 HELO - 250
16:41:19 69.2.200.182 MAIL - 250
16:41:19 69.2.200.182 RCPT - 250
16:41:19 69.2.200.182 RCPT - 250
16:41:19 69.2.200.182 RCPT - 550
16:41:19 69.2.200.182 RCPT - 550
16:41:19 69.2.200.182 QUIT - 240
17:05:18 66.37.227.176 HELO - 250
17:05:18 66.37.227.176 MAIL - 250
17:05:18 66.37.227.176 RCPT - 250
17:05:18 66.37.227.176 DATA - 250
17:05:18 66.37.227.176 QUIT - 240
18:07:01 208.254.26.169 EHLO - 250
18:07:01 208.254.26.169 MAIL - 250
18:07:01 208.254.26.169 RCPT - 250
18:07:01 208.254.26.169 DATA - 250
18:07:06 208.254.26.169 QUIT - 240
19:14:32 64.156.132.246 EHLO - 250
19:14:32 64.156.132.246 MAIL - 250
19:14:32 64.156.132.246 RCPT - 250
19:14:32 64.156.132.246 DATA - 250
19:14:32 64.156.132.246 QUIT - 240
19:22:10 69.9.174.254 EHLO - 250
19:22:10 69.9.174.254 MAIL - 250
19:22:10 69.9.174.254 RCPT - 250
19:22:10 69.9.174.254 DATA - 250
19:22:10 69.9.174.254 QUIT - 240

Could you explain what you mean by the diagnostics logging?

Thanks!
0
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Author Comment

by:rmccune218
ID: 12404116
MS must have removed the article...couldn't find it.
0
 
LVL 5

Expert Comment

by:Maharajkp
ID: 12404336
Check this Article for SMTP Communication
http://support.microsoft.com/default.aspx?scid=kb;en-us;153119

this log doesn't look like NCSA ... this I guess is W3 format
0
 

Author Comment

by:rmccune218
ID: 12404519
Worked through the article and it queued my test message.  Received the message fine.  Not sure what that tells me?
0
 
LVL 5

Expert Comment

by:Maharajkp
ID: 12404560
can you check with the recipient ... whether he received it or not !!!
0
 

Author Comment

by:rmccune218
ID: 12404596
actually I sent an email to myself (duh, my bad)
when I try it with a valid recipient other than myself, I get "unable to relay for user@domain.com" and I cannot go further, regardless of the recipient I try.
0
 
LVL 5

Expert Comment

by:Maharajkp
ID: 12405540
... ok ...

I think you are trying to telnet to your own server ...

Do Telnet to external Domain Exchange Server ... if you have Yahoo account ...

get MX record for yahoo.com

'Telnet MX_IP_of_yahoo.com 25'
mail from: <your_company_email_address>
rcpt to: <your_yahoo_address>

and see if you are getting email on your yahoo

Do this all from your Exchange Server
0
 

Author Comment

by:rmccune218
ID: 12405833
Can't set the local echo on the yahoo mail server so it doen't allow me to see what I'm typing...
0
 
LVL 5

Expert Comment

by:Maharajkp
ID: 12405851
try to set using -
set localecho
0
 

Author Comment

by:rmccune218
ID: 12406121
feel free to try my smtp server 66.171.13.101

yahoo will not allow my login
0
 
LVL 5

Accepted Solution

by:
Maharajkp earned 2000 total points
ID: 12406472
I think I got your problem ....

This is what I am doing

C:\>telnet

Welcome to Microsoft Telnet Client

Escape Character is 'CTRL+]'

Microsoft Telnet> set localecho
Local echo on
Microsoft Telnet> open mx1.mail.yahoo.com 25

220 YSmtp mta141.mail.sc5.yahoo.com ESMTP service ready
ehlo
250-mta141.mail.sc5.yahoo.com
250-8BITMIME
250-SIZE 31981568
250 PIPELINING

mail from: maharajkp@hotmail.com
501 Syntax error in parameters or arguments

mail from: <maharajkp@hotmail.com>
250 sender <maharajkp@hotmail.com> ok

rcpt to: <maharajkp@yahoo.com>
250 recipient <maharajkp@yahoo.com> ok

data
354 go ahead
TRest Message from Telnet
.
250 ok dirdel

Please NOTE ...  < ...@...> around Email Address

0

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