Block Incoming Emails by Subject

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1gtest
Posts: 2
Joined: 04 Jul 2024 09:09

Block Incoming Emails by Subject

Post by 1gtest »

Hi

Advice requested regarding blocking incoming spam

- We block the sender address and the originating IP, however, this does not help as the spam then comes in from a different address or IP
- From the client side it seems the spam is continuing without fail
- Emails seems to originate from .eu and .it (Italy) domains

We are looking at blocking a particular subject as the subject is the only constant I can see in all the spam coming in

Any advice or guidance will be appreciated

MailWatch Version: 1.2.18
Postfix Version: 3.5.9
MailScanner Version: 5.4.2
ClamAV Version: 0.103.5
SpamAssassin Version: 3.4.6
PHP Version: 7.2.24
MySQL Version: 10.3.28-MariaDB


Thanks
1gtest
Posts: 2
Joined: 04 Jul 2024 09:09

Re: Block Incoming Emails by Subject

Post by 1gtest »

Came right with adding custom SpamAssassin rule

https://cwiki.apache.org/confluence/dis ... itingRules
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