Ok everyone, im about to lose it here... i have random folks on my network over the last 2 weeks getting completely random NDR messages, never before had my folks had a problem sending and every day 2 or three people get the exact same type of error which i will post below... 90% of the network users can send fine, its just very random and always different sites that people have never had a problem sending too... most can go home and email from a personal account like yahoo or msn and the message will get to its destination fine...
This is a email my user got this AM:
From: System Administrator
Sent: Thursday, August 28, 2008 8:24 AM
To: Mark Reseya
Subject: Undeliverable: Distribution
Your message did not reach some or all of the intended recipients.
Subject: Distribution
Sent: 8/28/2008 8:24 AM
The following recipient(s) cannot be reached:
xxxxxx@xxxxxxxxx.com on 8/28/2008 8:24 AM
You do not have permission to send to this recipient. For assistance, contact your system administrator.
<pce-sbs.pcecompanies.com #5.7.1 smtp;550 5.7.1 Unable to relay for xxxxx@xxxxxxxxxx.com>
I did just install a new firewall about 2 weeks ago and this all seemed to start happening around then but i have checked and checked the firewall and i just dont get it..
Any ideas??????
Thanks!!
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