Sounds like you should check to see if your Exchange server is an open
relay. I don't think Vipre is going to block that.
From: Kelsey, John [mailto:jckel...@drmc.org]
Sent: Monday, June 27, 2011 8:34 AM
To: MS-Exchange Admin Issues
Subject: Is my server spamming?
Exchange 2003 patched
According to a couple of external checks, our server is NOT an open
relay.
From: Eric Wittersheim [mailto:ewittersh...@aasmnet.org]
Sent: Monday, June 27, 2011 9:41 AM
To: MS-Exchange Admin Issues
Subject: RE: Is my server spamming?
Sounds like you should check to see if your Exchange
Do you have port 25 blocked at the FW, only allowing your Exchange
server access?
From: Kelsey, John [mailto:jckel...@drmc.org]
Sent: Monday, June 27, 2011 9:00 AM
To: MS-Exchange Admin Issues
Subject: RE: Is my server spamming?
According to a couple of external checks, our server
Yes, only the exchange server is permitted to send out on port 25. All
other hosts are denied.
From: Eric Wittersheim [mailto:ewittersh...@aasmnet.org]
Sent: Monday, June 27, 2011 10:02 AM
To: MS-Exchange Admin Issues
Subject: RE: Is my server spamming?
Do you have port 25 blocked
This looks like it is almost certainly backscatter.
http://en.wikipedia.org/wiki/Backscatter_(e-mail)
On Mon, Jun 27, 2011 at 9:34 AM, Kelsey, John jckel...@drmc.org wrote:
Exchange 2003 patched up running Vipre 3.1.14903.
** **
Just this morning I’ve been getting flooded with NDR’s
Someone is spoofing you then. http://en.wikipedia.org/wiki/Joe_job
From: Kelsey, John [mailto:jckel...@drmc.org]
Sent: Monday, June 27, 2011 9:04 AM
To: MS-Exchange Admin Issues
Subject: RE: Is my server spamming?
Yes, only the exchange server is permitted to send out on port 25. All
