Re: [exim] Per RCPT DATA reply (was: Dealing with Yahoo mail…

On Thu, Jan 20, 2011, Todd Lyons wrote:
> What about an (further) enhancement to esmtp to allow rejection of
> individual recipients at smtp data time? Yeah, it adds increased

There was a draft to basically use the same reply behaviour as LMTP:

Eric A. Hall
SMTP Service Extension for Per-Recipient Data Responses (PRDR)

It is implemented in at least one MTA, maybe exim could be another
one? In that case, we might be able to get it published as RFC.