Spam filter/anti spam when mail has "unsubscribe" link

Idea shared by Thu Nguyen - 11/11/2020 at 3:54 AM

Proposed

Hi,

Since almost all emails with unsubscribe link are coming from spam/bulk mail.
So I want to have a criteria to add "spam rating point" when email has "unsubscribe" link.

6 Replies

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Jack. Replied

11/15/2020 at 9:31 PM

I have the following rule

Rule Name: unsubscribe

Rule Source: Header

Header: List-Unsubscribe

Rule Type: Contains

Weight: 30

Rule Text (one per line):

http
mailto:

Thu Nguyen Replied

11/16/2020 at 4:06 AM

ok thank you.

Douglas Foster Replied

11/16/2020 at 8:08 AM

Every legitimate mass mailing should have an unsubscribe link, so this is likely to catch a lot of traffic that you actually want.

Thu Nguyen Replied

11/16/2020 at 10:30 AM

Yes. Almost mails come from this source are spam/advertise. So I will give it a spam point :)

Sébastien Riccio Replied

11/16/2020 at 1:40 PM

Thu,

What Douglas said is that by considering an unsubscribe link presence for spam detection, you will also reject all legitimate mailing lists that are required to use unsubscribe links.

That's maybe not what you/your customer wants.

Sébastien Riccio System & Network Admin https://swisscenter.com

Thu Nguyen Replied

11/17/2020 at 6:41 PM

Yes. I dont move it to spam. But I give it some spam points only.

Thank you.

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