Hi,
we run some antispam-mailservers with ~ 10.000 mails / day for our customers. Due to emotet and stuff, we started blocking some file extensions with great success. Sometimes "bad" attachment slip through as they are encoded by TNEF. Our spamfilter is not able to de-code it. Not even some of our Mailcliens can read the attachments at the end. How do you treat "TNEF-mails" in your environment? blocking doesnt sound right but sometimes i feel lilke i should just to show that proprietary stuff is bad. Thank you. Stefan.
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