[olug] OT maybe?

Aric Aasgaard aric at omahax.com
Wed Oct 1 15:36:14 CDT 2014

I have problems with Cox SMTP servers on occasion.  What has happen to me in
the past is that one of the servers in their round robin gets black listed.

If you look at the NDR it will have the actual server that was used to
deliver the message.  You can then use http://mxtoolbox.com/blacklists.aspx
to check its blacklist status.

-----Original Message-----
From: olug-bounces at olug.org [mailto:olug-bounces at olug.org] On Behalf Of
Justin Reiners
Sent: Wednesday, October 01, 2014 12:28 PM
To: Omaha Linux User Group
Subject: [olug] OT maybe?

We have sendmail installed on a couple machines in a couple different
datacenters, our local on Centurylink, and L3 at Scott Datacenter.

We have emails bouncing to Cox, and AOL. reverse is correct. all is well.

anyone else having issues the last couple days?


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