Author: James Price Date: To: exim-users@exim.org CC: exim-users@exim.org Subject: Re: [exim] Remote smtp recipient local part verification in a router
Excellent and thank you. This email is all internal anyhow all
external is dropped by the second router in theory. Only going to do
callouts to the domain we allow delivery for.
Thanks,
James
On Nov 24, 2009, at 5:28 PM, Phil Pennock <exim-users@???>
wrote:
> On 2009-11-24 at 16:13 -0600, James Price wrote:
>> the router below. I was hoping verify_recipient was the condition
>> I was
>> looking for. If true, let it through, if false move on to the next
>> router. This doesn't seem to work, it allows it through. So my
>
> SMTP transports by default verify that the destination is
> theoretically
> reachable (DNS exists) but do nothing to speak SMTP.
>
> In your RCPT ACL, you should have a line about "require verify =
> recipient". Double-check that all mail to *remote*/external is
> handled
> before that, and use "require verify = recipient/callout".
>
> Do *not* do recipient callouts for mail to outside your domain --
> double
> SMTP connections for every mail you send out are likely to be frowned
> upon. In the default config, the "require verify = recipient" check
> comes *after* the "relay not permitted" logic; if you're using
> something
> like the default, you should be safe to just add the "/callout".
>
> -Phil
