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Undeliverable

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Undeliverable - 5.Aug.2002 6:56:00 AM   
khalil

 

Posts: 170
Joined: 7.Dec.2001
From: UK
Status: offline
Hi all,

Our one user is receiving below NDR when trying to send email (this doest apply on all messages). We have Exchnage 2000 on W2K with ISA. Any help would be appreciated.

Your message did not reach some or all of the intended recipients.

Subject: RE:
Sent: 8/5/02 9:48 AM

The following recipient(s) could not be reached:
'abc@hotmail.com' on 8/5/02 8:49 AM
No transport provider was available for delivery to this recipient.
Post #: 1
RE: Undeliverable - 5.Aug.2002 10:47:00 AM   
khalil

 

Posts: 170
Joined: 7.Dec.2001
From: UK
Status: offline
Now when I try to resend then it worked fine. I just want to know specific reason for receiving this kind of NDR and the solution!

Many thanks!

(in reply to khalil)
Post #: 2
RE: Undeliverable - 7.Aug.2002 4:39:00 PM   
DaDougInc

 

Posts: 845
Joined: 17.May2002
From: NC
Status: offline
Be sure that packet filtering is not enabled on the ISA server for SMTP.
Install Exchange 2000 Sp2 or 3 preferably
I assume that this server is also a GC/DC, verify that this client can communicate with this server without errors.

If needed, configure netmon to read the traffic from Client to server, then server to remote host. This will tell you where the problem lies.

(in reply to khalil)
Post #: 3
RE: Undeliverable - 7.Aug.2002 8:33:00 PM   
genser

 

Posts: 28
Joined: 5.Jul.2002
From: Atlanta, Georgia
Status: offline
look at the conversion your server is making with the network equipment...that should tell you alot. pull down appdancer.com trial and use it

(in reply to khalil)
Post #: 4
RE: Undeliverable - 8.Aug.2002 6:09:00 AM   
khalil

 

Posts: 170
Joined: 7.Dec.2001
From: UK
Status: offline
Thanks for the reply!

We use SMTP filtering utility of ISA to prevent viruses. We have configured many file extentions which we dont want to be relayed to our staff members etc. Is this packet filtering enable means? or packet filtering enable is something else, if so then I am not sure how to check it.

That client is communicating with the server fine other than email problem some times.

I have also searched on the Internet and found Microsoft KB article (Q197417) explaining many possibilities and solutions for this specific error but i am not sure that where the problem lies.

I also would like to add that our exchange server is running without any SP.

And by the way how to configure netmon to read the traffic from Client to server, then server to remote host. I am new to this thing as well. This seems network monitoring tool? if so then which is the best tool for this purpose and from where I can download it etc.

Further guidance would be much appreciated! (Sorry for the too many qurries)

[ August 08, 2002, 06:25 AM: Message edited by: K ]

(in reply to khalil)
Post #: 5

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