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Delivery Notification: Delivery has been delayed

I am currently running Exchange 2003. There are two users that cannot receive email a user from an another domain (someuser@abc.net).  But it seems they can receive email from anywhere else just fine. This what the user (someuser@abc.net) received as a reply when attempting to send an email to the two users:

----- Original Message -----
From: <postmaster@abc.net>
To: <someuser@abc.net>
Sent: Sunday, May 21, 2006 1:40 AM
Subject: Delivery Notification: Delivery has been delayed


> This report relates to a message you sent with the following header
fields:
>
>   Message-id:
<14819705.830981148080433574.JavaMail.root@vms071.mailsrvcs.net>
>   Date: Fri, 19 May 2006 18:13:53 -0500 (CDT)
>   From: Lauren <someuser@abc.net>
>   To: user1@mydomain.com
>   Subject: email
>
> Your message has been enqueued and undeliverable for 1 day
> to the following recipients:
>
>   Recipient address: user1@mydomain.com
>   Reason: unable to deliver this message after 1 day
>
>
> Delivery attempt history for your mail:
>
> Sat, 20 May 2006 19:42:46 -0500 (CDT)
> Error writing SMTP packet
>
> Sat, 20 May 2006 11:39:59 -0500 (CDT)
> Error writing SMTP packet
>
> Sat, 20 May 2006 07:37:47 -0500 (CDT)
> Error writing SMTP packet
>
> Sat, 20 May 2006 03:35:37 -0500 (CDT)
> Error writing SMTP packet
>
> Fri, 19 May 2006 23:32:41 -0500 (CDT)
> Error writing SMTP packet
>
> Fri, 19 May 2006 21:28:16 -0500 (CDT)
> Error writing SMTP packet
>
> Fri, 19 May 2006 19:20:16 -0500 (CDT)
> Error writing SMTP packet
>
> Fri, 19 May 2006 18:17:23 -0500 (CDT)
> Error writing SMTP packet
>
> The mail system will continue to try to deliver your message
> for an additional 3 days.
>
>
0
geraldonunez
Asked:
geraldonunez
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1 Solution
 
SembeeCommented:
This is a message coming in to your server?

Those aren't Exchange messages, so my instinct is that the problem is at the other end, or a conflict with something they have and something that you have.

Do you have a firewall? If so, is it scanning SMTP traffic?
Anything else scanning SMTP traffic? Antivirus, Antispam etc.

Simon.
0
 
geraldonunezAuthor Commented:
Hello Simon,

The message posted is the reply that someuser@abc.net receives when sending an email to the two users in our domain.  We have a firewall but it is not scanning SMTP traffic.  We currently run GFi Mail Security version 9.  I will look into the Antivirus and check if it is scanning SMTP traffic.  I will get back with what I can find.  Thanks for the help!
0
 
geraldonunezAuthor Commented:
Looking into GFi Mail Security I see the following are checked:

*Scan Inbound Emails through SMTP Transport Event Sink
*Scan Outbound Emails through SMTP Transport Event Sink

Should I uncheck these?  Would unchecking these options allow the Exchange Server to be  vulnerable to viruses?

Thanks again for the help!

Lalo
0
 
SembeeCommented:
The way that products like GFI tie in to the system means that to test whether they are interfering with the traffic involves removing the application totally. That does mean the server is exposed to anything that comes in while you test it.

Others have reported that simply removing the product then reinstalling can fix the problems.

Simon.
0
 
geraldonunezAuthor Commented:
Thanks for the help!  It seems after unchecking those two options the emails went through almost instantly.  I will look more into the product and will uninstall/reinstall if necessary.  Thanks!

Lalo
0

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