igor0
7
If it’s so, it’s incredibly stupid.
Anyway, I’d say the bigger problem is that the recipient has no guarantee that it was really an antivirus program that appended the “mail-is-clean” note (neither that the antivirus was working correctly). The same message may be appended to a virus itself to fake the “antivirus scan”, or even by the virus writer who’s trying to spread his code.
So, of course there’s no real guarantee that the appended note is true - it’s just a piece of text at the end of the message…