On Wed, Dec 05, 2001 at 09:35:08PM +0800, Suresh Ramasubramanian wrote:
> +++ Matthew Byng-Maddick [exim-users] <05/12/01 13:25 +0000>:
> > I'd do *only* that, and completely asynchronously with respect to the SMTP
> > dialogue. After all, you're not required to accept SMTP to emit it. Even
> > under the Demon AUP.
> OTOH, connecting back to the MX of that server and testing whether the
> address exists or not (or at least returns RCPT TO: - 250 ok) would be a good
> idea. Sourceforge already does this AFAICT.
I do it too, though they do it to both the header from and the mail from.
It is certainly reasonable to do it to the envelope, I'm not so sure about
the header. I believe mine only does it to the envelope, so that it knows
it will be able to deliver a bounce if necessary.
> > I would do it outside the mail dialogue.
> Ditto
I, personally, think it's crazy to try anything else.
MBM
--
Matthew Byng-Maddick <mbm@???> http://colondot.net/
