----------------------------------------------------------------------
Message: 1
Date: Wed, 24 Jun 2015 15:40:10 +0000
From: Shane Bywater <sh...@apexia.ca>
To: "spamdyke-users@spamdyke.org" <spamdyke-users@spamdyke.org>
Subject: [spamdyke-users] can spamdyke reject emails with improper
from and to fields?
Message-ID:
<c2615c1606841d429fe282c972131c7b31f1e...@s11maild020n2.sh11.lan>
Content-Type: text/plain; charset="us-ascii"
Hi,
Does anyone know if spamdyke can reject an email if it contains
improper "from" and "to" fields (for example no from address)? I get hundreds
of entries daily in the maillog file as shown below and would rather qmail not
even try to send a bounce message to such emails.
Jun 24 11:31:15 qmail-queue-handlers[20290]: Handlers Filter before-queue for
qmail started ...
Jun 24 11:31:15 qmail-queue-handlers[20290]: from= Jun 24 11:31:15
qmail-queue-handlers[20290]: to=%from_email Jun 24 11:31:15
qmail-queue-handlers[20290]: Unable to get sender domain by sender mailname Jun
24 11:31:15 qmail-queue-handlers[20290]: Unable to get sender domain by sender
mailname Jun 24 11:31:15 qmail-queue-handlers[20290]: Unable to get sender
domain by sender mailname Jun 24 11:31:15 qmail-queue-handlers[20290]: Unable
to get sender domain by sender mailname Jun 24 11:31:15
qmail-queue-handlers[20290]: Incorrect recipient mailname : %from_email Jun 24
11:31:15 qmail: 1435159875.553019 warning: trouble injecting bounce message,
will try later
Note: I'm using spamdyke 5.0.1 on a Plesk 10.4 CentOS 6 server. BTW
thanks to Sam for continuing to develop and improve spamdyke.
Regards,
Shane Bywater
------------------------------
Message: 2
Date: Wed, 24 Jun 2015 11:24:47 -0500
From: Sam Clippinger <s...@silence.org>
To: spamdyke users <spamdyke-users@spamdyke.org>
Subject: Re: [spamdyke-users] can spamdyke reject emails with improper
from and to fields?
Message-ID: <b47b331a-febc-4a20-9b7a-af7c99945...@silence.org>
Content-Type: text/plain; charset="us-ascii"
It can do this in a limited fashion right now. If the improper To field is
always "To: %from_email" (or something from a known set of bad values), you
could use the header blacklist filter to block it. But at present, there's no
way to block a message with a missing header line.
-- Sam Clippinger
Hi,
Is there a way to use spamdyke (header blacklist?) to block emails with
no domain in the email address (ie. tksofxpwfhc@). Also, it doesn't seem like
the header-blacklist file is even being used by Spamdyke as I have setup my
/var/spamdyke/header-blacklist-file to contain "Subject: hhh" (minus the
quotes) and when I send myself an email from an external email address with
such the subject line containing hhh it passes through without Spamdyke
blocking it. In my spamdyke.conf file I have
header-blacklist-file=/var/spamdyke/header-blacklist-file and it has the same
permissions as the other spamdyke files in such a directory. I also tried
entering header-blacklist-entry=Subject: hhh in my spamdyke.conf file but that
email was allowed through as well.
My sending email address is not whitelisted and there is no spamdyke
messages appearing in the maillog file. What could I be doing wrong?
Regards,
Shane Bywater
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