Re: [Asrg] 0. General - anti-harvesting (was Inquiry about CallerID Verification)

["Hector Santos" <winserver.support@winserver.com>]

----- Original Message ----- 
From: "Yakov Shafranovich" <research@solidmatrix.com>
To: "ASRG" <asrg@ietf.org>

> What happens if this is a legit user? You will end up sending an email
> to him since at the DATA command, the MTA will accept the message? So
> therefore, for those MTAs which answer 250 to all RCPT TOs and do
> validation after the DATA command, your method of verification will
> result in an extra email message to the user which itself can be
> considered spam by the user (same argument as the C/R business).

arrrrrrrrrrrrrrrrrrrgh.  Good point.   I having looked into yet. Busy
writing mail.

I'll explore it.    Is YAHOO around?????

>
> What I would like to narrow down is what purpose does this proposal
> address? What exact forgery does it solve?

Valid Return Path.

The RFC says that all mail must be returnable (except for NULL address).

---
Hector Santos
WINSERVER "Wildcat! Interactive Net Server"
support: http://www.winserver.com
sales: http://www.santronics.com



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