MailScanner and Zimbra

Thomas Stephen Lee lee.iitb at gmail.com
Fri Nov 1 09:55:18 UTC 2019


Thanks for the reply Thom.

We have updated SpamAssassin and added the cron.daily script.

For virus scanning we have installed the ClamAV unofficial sigs and Sophos
AV for Linux.

thanks

---
Thomas Stephen Lee

On Fri, Nov 1, 2019 at 2:59 PM Thom van der Boon <thom at vdb.nl> wrote:

> I have the same setup.
>
> check the age of the files in /var/spamassassin/version_number/
>
> check wether there is a spamassassin update script in /etc/cron.daily (you
> will find nothing in your logs to check wether sa-update is working)
>
> If old files quick fix run as root: sa-update --verbose ; service
> mailscanner restart
> Script to auto-update: https://dsr.vanderboon.net/DSR/contrib/
>
> In /etc/MailScanner/MailScanner.conf check and change the following
> parameters:
>
> Log Spam = yes
> Log SpamAssassin Rule Actions = yes
> Max Spam Check Size = 20m
>
> restart MailScanner after this and check your logs
>
> Tip 1: Use KAM.cf
> KAM.cf is a great collection of spamassassin rules
> Rules are here: https://www.pccc.com/downloads/SpamAssassin/contrib/KAM.cf
> Script to auto-update: https://dsr.vanderboon.net/DSR/contrib/
>
>
> Tip 2: Use securiteinfo.com to improve ClamAV detection
> It is an paid extension to ClamAV, but it  costs less than € 30/USD 35 per
> year (You only need pro version to protect your mail server)
>
> https://securiteinfo.com/services/anti-spam-anti-virus/improve-detection-rate-of-zero-day-malwares-for-clamav.shtml
>
> Thom
>
> ------------------------------
> *Van: *"Thomas Stephen Lee" <lee.iitb at gmail.com>
> *Aan: *"MailScanner Discussion" <mailscanner at lists.mailscanner.info>
> *Verzonden: *Vrijdag 1 november 2019 08:14:04
> *Onderwerp: *MailScanner and Zimbra
>
> Hi,
>
> We use MailScanner on our mail server.
>
> MailScanner scans the incoming mails and relays it to a VM with Zimbra
> 8.8.15 installed.
>
> However we notice that Zimbra's spam software captures many spam mails
> which are not captured by MailScanner.
>
> Why is this so ?
>
> thanks
>
> ---
> Thomas Stephen Lee
>
>
>
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