* Matthias Lewandowski <M.Lewandowski@???> [20030918 17:04]: wrote:
> > I;m running an exim mail server for a sub domain, say blah.example.com,
> > is there a way to make exim check to see if a person, say
> > user@??? exists locally (user@???) before passing
> > it on to the mailserver for example.com.
> >
> > Scott
> >
> > --
> > Scott Dexter
>
> on exim 4.xx I would say:
>
> if you want to check wether the user exists on your local machine you should
> have this in your ACL (you should have this already...)
>
> accept domains = +local_domains
> endpass
> message = unknown user
> verify = recipient
>
> If you want to check the recipient on the remote mailserver,
> you could do a callout (you are relay for blah.example.com):
>
> accept domains = blah.example.com
> endpass
> message = unrouteable address
> verify = recipient/defer_ok/callout=10s/callout_defer_ok
What happens when blah.example.com is offline??
cheers
- wash
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