Discussion:
White list issue
Chris Barber
2014-07-09 14:13:28 UTC
Permalink
Hi All,

We have the latest MailScanner and Mailwatch combo running on CentOS. Has been working fine for a long time. We have a couple of users who are receiving spam and it shows as white listed in the Mailwatch interface. However, the email address nor the domain are on the white list at all.

Has anyone seen this behavior? I am at a loss.

Thanks!
Chris
Antony Stone
2014-07-09 15:05:48 UTC
Permalink
Post by Chris Barber
Hi All,
We have the latest MailScanner and Mailwatch combo running on CentOS. Has
been working fine for a long time. We have a couple of users who are
receiving spam and it shows as white listed in the Mailwatch interface.
However, the email address nor the domain are on the white list at all.
Has anyone seen this behavior? I am at a loss.
Is the sending server whitelisted (ie: the next-hop machine which is directly
communicating with yours)?


Antony.
--
"Black holes are where God divided by zero."

- Steven Wright

Please reply to the list;
please *don't* CC me.
Chris Barber
2014-07-09 18:11:21 UTC
Permalink
-----Original Message-----
From: mailscanner-bounces at lists.mailscanner.info [mailto:mailscanner-bounces at lists.mailscanner.info] On Behalf Of Antony Stone
Sent: Wednesday, July 9, 2014 11:06 AM
To: MailScanner discussion
Subject: Re: White list issue
Post by Chris Barber
Hi All,
We have the latest MailScanner and Mailwatch combo running on CentOS.
Has been working fine for a long time. We have a couple of users who
are receiving spam and it shows as white listed in the Mailwatch interface.
However, the email address nor the domain are on the white list at all.
Has anyone seen this behavior? I am at a loss.
Is the sending server whitelisted (ie: the next-hop machine which is directly communicating with yours)?


Antony.
--
"Black holes are where God divided by zero."

- Steven Wright

Please reply to the list;
please *don't* CC me.

Thanks, that was it. Found the secondary MX IP on the whitelist for the users domain.

Thanks agian
Alex Neuman
2014-07-09 15:30:50 UTC
Permalink
I've only seen this behavior when the whitelisting "hits" a rule that
you're not seeing, even though it's there - such as IP address, for example.

Also, when a message is sent TO: a whitelisted user, everybody else in the
message gets it.

Example:

From: spammer at douchebag.com
To: johndoe at victim.com (whitelisted)
CC: Spamhater at victim.com (not whitelisted)

Unless you "split messages per recipient" (something that depends on your
MTA), since To: johndoe at victim.com is whitelisted or since
From:spammer at douchebag.com and To:johndoe at victim.com is whitelisted or
From: douchebag.com and To: (you get the picture) spamhater@ gets a copy.



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Post by Chris Barber
Hi All,
We have the latest MailScanner and Mailwatch combo running on CentOS. Has
been working fine for a long time. We have a couple of users who are
receiving spam and it shows as white listed in the Mailwatch interface.
However, the email address nor the domain are on the white list at all.
Has anyone seen this behavior? I am at a loss.
Thanks!
Chris
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