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06.05.2005 at 09:50PM PDT, ID: 21447685
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The remote server did not respond to a connection attempt.

Asked by monishsharma in Exchange Email Server

Tags: server, did, remote, respond, connection

Hi ,

I have installed one  exchange server 2003 i am able to receive all e-mail & even able to send e-mail to almost all domain except few the e-mail got stuck there & i get this error message :-

"The remote server did not respond to a connection attempt."

I have tried to send e-mails to these domains through yahoo & rediff its getting delivered.

Your help is required.

Rgds.
Monish.Start Free Trial
[+][-]06.06.2005 at 04:31AM PDT, ID: 14152261

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[+][-]06.06.2005 at 04:37AM PDT, ID: 14152304

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[+][-]06.06.2005 at 04:47AM PDT, ID: 14152364

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[+][-]06.06.2005 at 04:48AM PDT, ID: 14152369

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About this solution

Zone: Exchange Email Server
Tags: server, did, remote, respond, connection
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Solution Provided By: Col_H
Participating Experts: 4
Solution Grade: A
 
 
[+][-]06.06.2005 at 05:08AM PDT, ID: 14152487

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[+][-]06.06.2005 at 05:35AM PDT, ID: 14152640

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[+][-]06.06.2005 at 10:46PM PDT, ID: 14159325

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[+][-]06.07.2005 at 12:29AM PDT, ID: 14159633

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[+][-]12.31.2005 at 12:32PM PST, ID: 15584993

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[+][-]01.24.2006 at 12:47PM PST, ID: 15779883

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[+][-]01.29.2006 at 11:53AM PST, ID: 15818738

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[+][-]02.02.2006 at 05:56PM PST, ID: 15859430

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06.06.2005 at 04:31AM PDT, ID: 14152261
Col_H:
this problem will go away in time -  it just means there is a problem communicating with the server
 
06.06.2005 at 04:37AM PDT, ID: 14152304
monishsharma:
no this problem i ma facing form quite a few days now.
 
06.06.2005 at 04:47AM PDT, ID: 14152364
alexch_x:
I believe it has to do with your Reverse Lookup Zone. Have you declared in your ISP'S Reverse lookup zone The name of your exchange server and his public IP ??
 
06.06.2005 at 04:48AM PDT, ID: 14152369
Col_H:
ps. i would be v happy to get an alternative and better explanation if i am wrong as i experience the same issue from time to time (normally with bt smtp endpoints).  it may have something to do with which mail server is identified by dns (e.g. yahoo uses diff dns resolve)
Accepted Solution
 
06.06.2005 at 05:08AM PDT, ID: 14152487
turn123:
Question moved to the Exchange area.

turn123,
Page Editor -- Miscellaneous
 
06.06.2005 at 05:35AM PDT, ID: 14152640
Sembee:
There are a number of reasons why you are receiving the message.

The best indicator of the real reason for the failure to deliver will be on the NDR that is generated. This will give the SMTP response from the remote server.

A lot of ISPs are now being very picky about who they will accept connections from. They usually insist on a correct reverse DNS and other settings.
You can get a good idea of what is required by looking at the requirements from AOL: http://postmaster.info.aol.com/trouble/

If you are on an DSL connection of any kind then many ISPs will consider you to be on a dynamic IP address range. Doesn't matter if you have been supplied with a static address, you will be in that pool.
To get round that problem you will have to use an SMTP connector to send email via your ISP.
Take a look at my web site here: http://www.amset.info/exchange/smtp-connector.asp to find out how to configure the SMTP Connector.

Simon.
Exchange MVP.
Assisted Solution
 
06.06.2005 at 10:46PM PDT, ID: 14159325
monishsharma:
I am not getting any failure report but on exchange queue its showing this error :-

"The remote server did not respond to a connection attempt."

i have established reverse DNS  also with my ISP but still its same problem. I have created exchange connector but my querry is why can't i deleiver e-mails myself to these domains. I have checked my domain in blacklists also its not there. You its not going to only few of the domains & to others its going.
 
06.07.2005 at 12:29AM PDT, ID: 14159633
alexch_x:
I still believe that it's a DNS problem. What you should do is to

A) From the server open a CMD and try to do nslookup. Set type=MX and then ask the MX records of the domain you are troubling to send e-mail.

B) If this reports ok then go to http://www.dnsstuff.com and do 1) DNS resolution on your domain but only the MX records 2) a Reverse DNS lookup on your exchange server IP address to see if you have a reverse lookup and if it matches your server's name
Assisted Solution
 
12.31.2005 at 12:32PM PST, ID: 15584993
Sembee:
Just going through some of the old outstanding questions as it is quiet...

Has this problem been resolved?
If you need clarification on any part of the responses above, please post back.

Otherwise you need to close the question by awarding points, or posting in the Support Topic Area (top right corner) with a link to this question asking for the moderators to close the question for you without awarding points.

Simon.
 
01.24.2006 at 12:47PM PST, ID: 15779883
Venabili:
This question has been classified as abandoned because there are no comments in the last 21 days. I will make a recommendation to the moderators on its resolution in approximately 4 days.  I would appreciate any comments by the experts that would help me in making a recommendation.

It is assumed that any participant not responding to this request is no longer interested in its final disposition.

If the asker does not know how to close the question, the options are here:
http://www.experts-exchange.com/help.jsp#hs5

Venabili
EE Cleanup Volunteer
 
01.29.2006 at 11:53AM PST, ID: 15818738
Venabili:
I will leave the following recommendation for this question in the Cleanup topic area:
   Split: Col_H {http:#14152369} & Sembee {http:#14152640} & alexch_x {http:#14159633}

Any objections should be posted here in the next 4 days. After that time, the question will be closed.

Venabili
EE Cleanup Volunteer
 
02.02.2006 at 05:56PM PST, ID: 15859430
Computer101:
Forced accept.

Computer101
EE Admin
 
 
mfrax
04.27.2008 at 09:36AM PDT, ID: 21449592
I had this happen to me when my ISP changed their DNS servers ip addresses. You have to go into the ESM and then to the Server category then in your server to the Protocol category in the SMTP category right click the Default SMTP Virtual Server. In the menu that opens select Properties. In the Properties windows, select the Delivery tab and click on the Advanced button. In the Advanced Delivery windows click on the Configure button. Add the new DNS addresses then remove the old DNS addresses.
 
 
Sembee
04.27.2008 at 03:17PM PDT, ID: 21450586
If you had followed best practises of NOT having any external DNS servers on the network or Exchange configuration (As they are not required) then it wouldn't have been a problem for you.

Never put any external DNS servers in any location other than on the domain controllers. The domain controllers should do all DNS resolution.

Simon.
 
 
mfrax
05.11.2008 at 01:45PM PDT, ID: 21543435
Simon,
When I remove the ISP DNS IP from the DNS list the workstation is blocked the internet. The ISP DNS is listed in the domain controller and gateway DNS lists. The controlling factor is that a workstation that is allowed internet access is blocked unless it has the ISP DNS not only in the DNS list but also as the primary DNS IP! I have not found a work around for this. Nor do I understand how the ISP is able to make this requirement on me.
 
 
Sembee
05.12.2008 at 01:44PM PDT, ID: 21550361
Its very common for ISPs to block access to remote DNS servers. Why they would want to I don't know - possibly to intercept the failures.
However even if they were doing that, having just the domain controller DNS on the workstations with forwards on the domain controllers should be fine. I have that exact issue with a client whose ISP has done something that basically cripples the use of the root DNS servers.

This isn't an Exchange issue - it is AD. AD is built on DNS, and having external DNS servers on the network configuration causes problems.

Simon.
 
 
 
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