Spamdyke augments other spam filters (it's not a matter of using one or
another, you should use both), and is highly efficient. It will actually
lessen the load on your server considerably. This is because it can
reject spam before it's even transmitted or scanned. Spamdyke also has
virtually no false positives (subject to configuration of course).
You really should be running spamdyke. Installing it is as simple as
running the qtp-install-spamdyke script, which is included in the
qmailtoaster-plus package. Spamdyke is also included in the 'stock'
configuration for QMT going forward (beginning with the yum-capable
binary packages).
That being said, if you're not using spamdyke and you want to add or
change the RBLs being used, you should modify the
/var/qmail/control/rblsmtpd file appropriately.
RBLs are generally implemented outside the scope of spamassassin, as
it's more effectively done there.
Note, spamdyke also has RBL filtering, so if using spamdyke, that's the
place to manage your RBLs.
--
-Eric 'shubes'
On 05/07/2014 11:39 PM, Chandran Manikandan wrote:
Hi Eric,
Thanks for your advise. Am using spamassassin now and not running
spamdyke package on my system . kindly let me know to add blacklist in
spamassassin file.
On Thu, May 8, 2014 at 3:02 AM, Eric Shubert <[email protected]
<mailto:[email protected]>> wrote:
On 05/04/2014 08:36 PM, Chandran Manikandan wrote:
Dear All,
I have received such emails like below as generated from my domain
and send to my domain. How to avoid this kind of emails. It's
generated from my domain name but it's does not have this email
account in my domain.
*
*
*From:*[email protected]
<mailto:[email protected]>
[mailto:[email protected]]
*Sent:* Friday, 2 May, 2014 3:54 PM
*Subject:* Financial Management ICV Information Session
--
*Thanks,*
*Manikandan.C*
*System Administrator*
So long as all of your users authenticate when submitting emails and
they submit only via your server, you can blacklist your domain in
the spamdyke blacklist_senders file:
@shubes.net <http://shubes.net>
This is counter intuitive, but it works great. Since all legit
senders authenticate, the spamdyke filters don't apply to them. This
effectively says "if the message says it's coming from my domain and
the sender hasn't authenticated, reject it".
--
-Eric 'shubes'
--
*Thanks,*
*Manikandan.C*
*System Administrator*
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