Assume, as Mr. Bonomi suggests, that some bad guy has installed some
type of additional mailer on the machine or another machine that's
allowed to relay mail. How would I go about locating that other mailer?
Another popular hack is uploading a PHP script using bugs in a CMS or wiki.
Once you
Date: Sun, 15 Aug 2010 07:57:23 -0400
To: freebsd-questions@freebsd.org
From: pe...@vfemail.net
Subject: Re: Open Mail Relay
At 05:13 PM 8/14/2010, Robert Bonomi wrote:
Date: Sat, 14 Aug 2010 09:29:54 -0400
To: freebsd-questions@freebsd.org
From: pe...@vfemail.net
Subject: Open Mail
From owner-freebsd-questi...@freebsd.org Sun Aug 15 15:15:43 2010
Date: Sun, 15 Aug 2010 22:15:57 +0200
From: Erik Norgaard norga...@locolomo.org
To: freebsd-questions@freebsd.org
Subject: Re: Open Mail Relay
On 15/08/10 13.57, pe...@vfemail.net wrote:
Assume, as Mr. Bonomi suggests
At 05:13 PM 8/14/2010, Robert Bonomi wrote:
From owner-freebsd-questi...@freebsd.org Sat Aug 14 12:22:50 2010
Date: Sat, 14 Aug 2010 09:29:54 -0400
To: freebsd-questions@freebsd.org
From: pe...@vfemail.net
Subject: Open Mail Relay
I have a machine running FreeBSD, sendmail and majordomo
On Aug 15, 2010, at 6:57 AM, pe...@vfemail.net wrote:
I've requested copies of the offensive messages, and I'm hopeful the
complainer will send me copies. I believe I have control over the majordomo
lists -- postings are restricted to list members, postings are monitored, and
many lists
On 15/08/2010 12:57, pe...@vfemail.net wrote:
At 05:13 PM 8/14/2010, Robert Bonomi wrote:
From owner-freebsd-questi...@freebsd.org Sat Aug 14 12:22:50 2010
Date: Sat, 14 Aug 2010 09:29:54 -0400
To: freebsd-questions@freebsd.org
From: pe...@vfemail.net
Subject: Open Mail Relay
I have
On 15/08/10 13.57, pe...@vfemail.net wrote:
Assume, as Mr. Bonomi suggests, that some bad guy has installed some type of
additional mailer on the machine or another machine that's allowed to relay
mail. How would I go about locating that other mailer?
If the messages are indeed relayed
I have a machine running FreeBSD, sendmail and majordomo. I have someone who
is on one of those majordomo lists complaining that they are receiving spam
from me. The complainer says I have an open mail relay that I need to fix.
I went to http://www.abuse.net/relay.htmlhttp://www.abuse.net
On 14.08.2010 17:29, pe...@vfemail.net wrote:
I've reviewed my mail logs for the past couple of days and I can't
find any entries for any mail addressed to the complainer's domain
name except mail that should have been sent.
You can try it yourself, with telnet and proper smtp commands. For
On Aug 14, 2010, at 9:29 AM, pe...@vfemail.net wrote:
I have a machine running FreeBSD, sendmail and majordomo. I have
someone who is on one of those majordomo lists complaining that they
are receiving spam from me. The complainer says I have an open mail
relay that I need to fix.
I
On 14/08/10 15.29, pe...@vfemail.net wrote:
I have a machine running FreeBSD, sendmail and majordomo. I have someone who
is on one of those majordomo lists complaining that they are receiving spam
from me. The complainer says I have an open mail relay that I need to fix.
When somebody
On Sat, Aug 14, 2010 at 8:29 AM, pe...@vfemail.net wrote:
I have a machine running FreeBSD, sendmail and majordomo. I have someone who
is on one of those majordomo lists complaining that they are receiving spam
from me. The complainer says I have an open mail relay that I need to fix
On Sat, Aug 14, 2010 at 9:29 AM, pe...@vfemail.net wrote:
I have a machine running FreeBSD, sendmail and majordomo. I have someone
who is on one of those majordomo lists complaining that they are receiving
spam from me. The complainer says I have an open mail relay that I need to
fix.
I
On 8/14/10 11:05 AM, Mikhail wrote:
On 14.08.2010 17:29, pe...@vfemail.net wrote:
I've reviewed my mail logs for the past couple of days and I can't
find any entries for any mail addressed to the complainer's domain
name except mail that should have been sent.
You can try it yourself, with
Is Abuse.net's test adequate to rule out an open mail relay problem?
It's pretty thorough, and most MTAs have default configurations that
don't permit relay, so it's much less of a problem than it was when I
wrote the tester many years ago. I don't try to check for weak SMTP
AUTH passwords
Is this an open relay using ipv6? If so how to block the ipv6 relay.
I thought after sendmail v8.9, all relay action was blocked by default.
maillog entry
Nov 10 15:01:11 hostname sm-mta[8989]: mAAL021C008989: from=[EMAIL
PROTECTED], size=4825, class=0, nrcpts=0, bodytype=7BIT, proto=ESMTP,
Mark Busby wrote:
Is this an open relay using ipv6? If so how to block the ipv6 relay.
I thought after sendmail v8.9, all relay action was blocked by default.
You haven't given sufficient information to say whether the machine is
an open relay or not. We'd need to see the configuration files
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