ndr brightmail

Ndr Brightmail

Ndr spam: uses a faked standard email non-delivery report (ndr) that a recipient will think is genuine, tricking them into opening an attachment that is spam.
Spammers can send such an ndr directly or make a legitimate server send it for them, adding to its credibility.
Ndr spam uses a faked standard email non-delivery report (ndr) that a recipient will think is genuine, tricking them into opening an attachment that is spam.

Ndr Brightmail