[Cryptography] SUBMIT is not SMTP, was IAB Statement on Internet Confidentiality

[John Levine]

>Is there any evidence of spammers using STARTTLS?  That would take an 
>unbelievable amount of sophistication on their (the spamware authors) 
>part.

I get plenty of spam using TLS.  I don't think it's from super
sophisticated bots, more likely from compromised web servers running
Postfix or other normal mail software.

R's,
John