Fred Viles wrote:
> On 23 Jun 2004 at 18:54, lists wrote about
> "[Exim] Rumplestiltskin attacks anyw":
>
> | I have a mail gateway running 4.34 clamd and spamassasin with a smart_route
> | to a internal exim box.
> |...
> | I wish I could think if a way to check the internal boxes user list before
> | the ext. gateway passes the message on.
>
> You have an MX that blindly accepts all recipients, and then
> generates bounces for the invalid ones? Bad, *very* bad.
>
> | I turned on verify_recipient but
> | that did not seem to change anything.
>
> Plain verify_recipient just confirms that there's a router that will
> accept the message. Your "smart_route" router is accepting all
> recipients for your domain. Either teach your MX what the valid user
> list is, or enable callouts on your verify_recipient so it can ask
> the internal box.
You wouldnt have an example of doing the callout would you? I use a
simple hubbed_hosts router to send mail from the dmz to an internal machine.
hubbed_hosts:
driver = manualroute
transport = remote_smtp
route_list = domain.com internalbox.domain.com
