socket

Billy Ng evebill8 at hotmail.com
Fri Mar 15 18:26:56 EST 2002


> And from a pure learning perspective, that's a perfectly fine idea,
> one I strongly suggest to anyone trying to understand how the Internet
> works under the covers.

Thanks for your support!

> Also to be fair, in many cases originally VRFY would still not be 100%
> accurate, since if a mail server was built to relay mail elsewhere,
> then by definition it would VRFY any address that was properly formed
> (but would be relayed off that machine) as being good - even if it
> would eventually bounce once a message to that address was really
> transmitted.  In that case the VRFY was just telling you the address
> was good to the machine you were talking to, but unless you were
> certain that machine was responsible for final delivery of the mail,
> it might not guarantee delivery.

This is exactly what I encountered.  Most server just check the format of
the email addresses instead of existence of the users.  I can't hit the box
that is responsible for handling the mails.

Thanks anyway!

Billy Ng





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