cid: spam. How can I create a rule to detect?

M

mspeed

Many people know about the src="cid:... workaround spammers are using
to display images even if images are blocked. Is there a way to find
that string in the HTML body and filter them out?

TIA
 
R

Roady [MVP]

src=:cid:... means that the image is embedded and not being retrieved from
the Internet. Basically you would end up blocking any image with picture
(signature) embedded into it. I don't think you want to do that? FWIW for me
most of those messages are being captured already even with the Junk E-mail
filter set to low.
 

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