Exchange 2003 SP2 Outgoing Emails Stuck in Queue

I have a few emails going to a specific domain (same user) stuck in my outgoing queue. I ran a telnet session to send a manual email to that user. The telnet text is attached.

Can anyone shed some light on why these emails are getting stuck?

Thanks in advance!
Dan
telnet.txt
LVL 1
filtrationproductsAsked:
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Sudeep SharmaTechnical DesignerCommented:
Any error in the logs? Any bounce backs?

Sudeep
ash007Commented:
Hi,

Please check the queue Viewer  to find out error why message is queued:

In Exchange System Manager, dig down through your administrative group / servers / your server name / protocols / smtp / queues.
filtrationproductsAuthor Commented:
Only a warning email so far saying the email is delayed.

Subject: Delivery Status Notification (Delay)
This is an automatically generated Delivery Status Notification.
THIS IS A WARNING MESSAGE ONLY.
YOU DO NOT NEED TO RESEND YOUR MESSAGE.
Delivery to the following recipients has been delayed.
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Alan HardistyCo-OwnerCommented:
filtrationproductsAuthor Commented:
In the Exchange System Manager/Servers/SERVERNAME/Queues I can see the 3 messages sitting within the "Internet Mail SMTP Connector (ServerName) - receivingserver.com (SMTP Connector".

The state only says "Queued" but no errors.

If I dig down into the protocols/smtps it just says "default SMTP Virtual Server" and there is nothing listed under "Current Sessions".

Thanks,
Dan
jerseysamCommented:
Is it just that user that has an issue or is there a problem with the recipients mail server in general?

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filtrationproductsAuthor Commented:
As far as I know it is the only user to attempt to send an email to that domain.
filtrationproductsAuthor Commented:
I attempted to send to the same recipient from a different email address and it queued just the same.
ash007Commented:
As you tried from other account there is issue with recipient Mail server please try with gmail , yahoo etc aswell if id does same then its issue with  recipient Mail server


Thanks,
Ash
filtrationproductsAuthor Commented:
Ash I think you are right. But I will wait until the email expires and I get an NDR and see what the error it tells me. Then I will have something to give to tech support for the receiving server.

Thanks,
Dan
jerseysamCommented:
Yes as I thought, sounds like a problem with the recipients mail server.

Keep us posted
Alan HardistyCo-OwnerCommented:
Have you looked at my article yet?
filtrationproductsAuthor Commented:
Sorry I didn't see that post. I just checked it.

Reverse DNS is setup through our ISP

Our IP is not on any black lists

Our Reputation is neutral

SPF record was not found but a TXT record was (I will look further into this)
Alan HardistyCo-OwnerCommented:
Do you want to ping me a test mail and I can run some checks on the info gleamed from my server's anti-spam software?  (Assuming you get past my defences!)

If you do - fire one to testmail@sohomail.co.uk

Alan
filtrationproductsAuthor Commented:
Problem was on receiving end
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