increase security - Proxmox mail gateway

stylus

New Member
Jul 8, 2020
6
0
1
28
Hi,
I'm looking to increase the level of email verification (SPAM).
I use proxmox mail gateway with trend micro IMSS ... why ? Proxmox does not block all spam...

For example :

Jul 8 09:01:31 relais postfix/smtpd[28365]: connect from mta6.duwebtresors.fr[37.59.176.109]
Jul 8 09:01:31 relais postfix/smtpd[28365]: 81FA54017A1: client=mta6.duwebtresors.fr[37.59.176.109]
Jul 8 09:01:31 relais postfix/cleanup[28369]: 81FA54017A1: message-id=<1594191684-5f048d15e1594_124567845345AB@duwebtresors.fr>
Jul 8 09:01:31 relais postfix/smtpd[28365]: disconnect from mta6.duwebtresors.fr[37.59.176.109] ehlo=1 mail=1 rcpt=1 data=1 quit=1 commands=5
Jul 8 09:01:31 relais postfix/qmgr[9673]: 81FA54017A1: from=<bnc-209-5f048d15e1594_124-62@bounce.duwebtresors.fr>, size=31429, nrcpt=1 (queue active)
Jul 8 09:01:31 relais pmg-smtp-filter[27547]: 40196A5F056F4B88BD6: new mail message-id=<1594191684-5f048d15e1594_124567845345AB@duwebtresors.fr>#012
Jul 8 09:01:32 relais pmg-smtp-filter[27547]: 40196A5F056F4B88BD6: SA score=0/5 time=1.094 bayes=undefined autolearn=ham autolearn_force=no hits=AWL(0.580),DKIM_SIGNED(0.1),DKIM_VALID(-0.1),DKIM_VALID_AU(-0.1),DKIM_VALID_EF(-0.1),HTML_FONT_LOW_CONTRAST(0.001),HTML_MESSAGE(0.001),SPF_HELO_NONE(0.001),SPF_PASS(-0.001),URIBL_BLOCKED(0.001)
Jul 8 09:01:32 relais postfix/smtpd[28374]: connect from localhost.localdomain[127.0.0.1]
Jul 8 09:01:32 relais postfix/smtpd[28374]: B6C6A401970: client=localhost.localdomain[127.0.0.1], orig_client=mta6.duwebtresors.fr[37.59.176.109]
Jul 8 09:01:32 relais postfix/cleanup[28369]: B6C6A401970: message-id=<1594191684-5f048d15e1594_124567845345AB@duwebtresors.fr>
Jul 8 09:01:32 relais postfix/qmgr[9673]: B6C6A401970: from=<bnc-209-5f048d15e1594_124-62@bounce.duwebtresors.fr>, size=32717, nrcpt=1 (queue active)
Jul 8 09:01:32 relais pmg-smtp-filter[27547]: 40196A5F056F4B88BD6: accept mail to <E-mail adress> (B6C6A401970) (rule: default-accept)
Jul 8 09:01:32 relais postfix/smtpd[28374]: disconnect from localhost.localdomain[127.0.0.1] ehlo=1 xforward=1 mail=1 rcpt=1 data=1 commands=5
Jul 8 09:01:32 relais pmg-smtp-filter[27547]: 40196A5F056F4B88BD6: processing time: 1.234 seconds (1.094, 0.067, 0)
Jul 8 09:01:32 relais postfix/lmtp[28370]: 81FA54017A1: to=<E-mail adress>, relay=127.0.0.1[127.0.0.1]:10024, delay=1.4, delays=0.2/0/0/1.2, dsn=2.5.0, status=sent (250 2.5.0 OK (40196A5F056F4B88BD6))
Jul 8 09:01:32 relais postfix/qmgr[9673]: 81FA54017A1: removed
Jul 8 09:01:33 relais postfix/smtp[28375]: B6C6A401970: to=<E-mail adress>, relay=IP:25, delay=0.26, delays=0.05/0/0.06/0.15, dsn=2.0.0, status=sent (250 OK: <15e3435900000835@domain name>)
Jul 8 09:01:33 relais postfix/qmgr[9673]: B6C6A401970: removed


This email is not blocked by Proxmox
The email has been blocked by IMSS


How to increase the security of Proxmox?

Thx
 

Stoiko Ivanov

Proxmox Staff Member
Staff member
May 2, 2018
5,985
826
148

About

The Proxmox community has been around for many years and offers help and support for Proxmox VE, Proxmox Backup Server, and Proxmox Mail Gateway.
We think our community is one of the best thanks to people like you!

Get your subscription!

The Proxmox team works very hard to make sure you are running the best software and getting stable updates and security enhancements, as well as quick enterprise support. Tens of thousands of happy customers have a Proxmox subscription. Get your own in 60 seconds.

Buy now!