Mailing List Archive: How can I detect a text/plain base64 email message with no other text parts?

Loren Wilton skrev den 2023-04-15 18:45:
> I get a lot of spams, and a major characterisitc is they only have
> text/plain that is base-64 encoded.
> Since I live in an area where base-64 encoding is basically never
> necessary, almost all base-64 encoded text parts are major spam signs.
>
> Content-Type: text/plain; charset=utf-8
> Content-Transfer-Encoding: base64

imho text/html is more spam sign then text/plain

text/html should not need qoutedprinteble, if HTML entities is used

charset utf-8 should not aswell use quotedprinteble

old software is genious :=)