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Ya, you are correct. But I think it's not a big deal because upgrading proxmox is not daily task :)

Anyone can make saslauthd work in pmg v8? I tried many time but I can not do the authentication, always returnesd "0: NO "authentication failed""

Is there any one try to use Symantec? My company use SEP and it has linux agent.

You need to modify the /usr/share/perl5/PMG/RuleDB/Disclaimer.pm to add the content on the top of message. Don't forget to backup before you do the replace. You can do difference check to verify the changes. p/s the file I downloaded from a website, not from me. I forgot the name of website.

I tested with 33%, poor me

Is GSuite (or O365) managed by you or not? From my understanding, from O365 we create the connector to proxmox mail gw, and from proxmox we route that email back to O365. I used that kind of architecture for our DLP solution.

I used DNS by following https://pmg.proxmox.com/wiki/index.php/DNS_server_on_Proxmox_Mail_Gateway Could you please to share how to check the dns resolution>?

Dear all, I am using DNSBL as bellow zen.spamhaus.org*3 bl.mailspike.net*3 b.barracudacentral.org*2 ix.dnsbl.manitu.net Few days ago, lots of email was blocked due to blacklisted, the log is Oct 6 09:24:59 proxmox postfix/postscreen[1640998]: NOQUEUE: reject: RCPT from [40.107.236.41]:12960...

No we can not :)

Sadly, I used https://dmarc-tester.com/ to test my gmail, and the test email come to inbox with fake gmail sender.

To capture the email subject, you can do 1. Edit /usr/bin/pmg-smtp-filter 2. Add to second line use PVE::Tools; 3. Find $self->log (3, "$queue->{logid}: new mail message-id=%s", $queue->{msgid}); Add bellow $self->log (3, "$queue->{logid}: Subject: %s"...

I did the same test as sojic, and the same issue happened :(

I think that you can increase spam score for HEADER_FROM_DIFFERENT_DOMAINS to higher for such cases.

In my case, I just want to block the zip with password when user sending out. Is it make sense to apply such configuration? In log, I found there is line with Virus detected: Hueristics.Encrypted.7zip

Hi all, I current use Promox as MTA, the email from mail server send out to Proxmox in Internal SMTP Port. Now I want to block the file send out with zip password. I found the setting "Block encrypted archives and documents" in Virus Detector but seems that it no affect to my current case. Is...

Thanks, work like a charm

Nice rule, could you pls to share the regex?

Thanks for your information. I think that my problem is the fake mail from, so the email can pass all rule. I simulated the issue by command and successfully received inbox With the bellow command, email can send to test@target.com with fake email ceo@target.com telnet localhost 25 helo...

That's why I posted the question to everyone. As thread subject, the email can pass all spam rule and delivered to mailbox.

Yes I had, please find screenshot.