M3AAWG has a BCP for hosting providers, you might find some valuable
ideas within it on how to address your issues:
https://www.m3aawg.org/sites/default/files/document/M3AAWG_Hosting_Abuse_BCPs-2015-03.pdf
Cheers,
Matt
On 2019-03-22 12:59 p.m., Bruno Carvalho wrote:
Hello Folks.
I've just joined this list, i didn't read all rules yet (just some),
so bare with me if my question is misplaced.
I own a small datacenter with 4 uplinks. And i received complains that
some of my clients are using my services for sending spam.
I wanted to know if it is possible to setup spamassassin on a VPS or
someting and have the port 25 redirected to it from border routers.
Important note: I don't know what domains are hosted inside my network.
What i know is that 98% of the spam sent is using port 25.
So, if someone knows a way to filter the mail traffic and block
outbound spam, i will be thankfull.
Regards
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