Author: Marco Wessel Date: To: exim-users Subject: Re: [exim] how can exim 4.54 check for valid 'non-local' users when
acting as a MX gateway for remote uucp sites?
On Mar 17, 2007, at 2:09 PM, Urs Rau wrote:
> Can any of you suggest anything at all, that we as the remote uucp
> sites could be uploading to the 'uucp email ISP' s MX machines that
> would allow the exim routing process running there to actually check
> which emails to accept, and which to drop or return, right there and
> then, whilst the smtp process is going on?
Have a look at recipient verification with callouts. Specifically the
callouts part.
