Hello everyone, Some emails that arrive in our system are marked as spam, but the subject line always adds two SPAM. For example, the original subject line is "Welcome to so.."; then, the Proxmox mail gateway adds "SPAM: SPAM: Welcome to so.." Is there a way to identify which rule is causing...
From my point of view, notify the sender for spam/virus is not the good approach. It may good for true user but for spammer/phishing it something like "Hey, I saw you. Change your email and try to phish us again" haha. j/k
I am going with proxmox as MTA and try to make it authenticate with our Active Directory. Going through many thread and guideline but I can not make it work with saslauthd and ldap.
Is there anyone have the exp on this?
Small write-up on how to do this in Proxmox Mail Gateway 6.x:
install...
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.
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...
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