Hi,
Without seeing the entire al_check_rcpt ACL and you entire list of
routers, it's going to be difficult to guess. However, if you haven't
already, try running address verification testing with both the "-bv"
and the "-v" options on the command line. That may help shed some light.
--
Dean Brooks
dean@???
On Mon, Oct 27, 2014 at 12:41:22PM -0700, Phillip Carroll wrote:
> Using exim 4.80 on Centos 5.5.
>
> My exim configuration uses virtual domain routers similar to shown
> in chapter 49.7 of the current doc. This has been working perfectly
> for about 10 years on several different servers I have migrated to
> over the years. I have never used recipient verification, but
> instead have simply bounced the email back to sender in the delivery
> phase.
>
> Because of a recent spate of spam emails with forged senders, most
> of which are also addressed to nonexistent local_parts, I would now
> prefer to reject the emails at RCPT time. However, try as I may, I
> cannot get "verify = recipient" to work. If I put this into the
> acl_check_rcpt ACL, all email is rejected with "550 Unknown user
> xxx".
>
> Somewhere in the manual I read that verify in an ACL uses the same
> router sequence as used in delivery. Clearly it does not! Tearing my
> hair out with this. Basically everything I thought I understood
> about exim seems to be under suspicion. As usual, it seems there is
> what the manual says...and then there is what the code actually
> does. I am hoping that someone with deeper understanding of the
> inner mysteries of exim can explain why unverified recipients are
> routed perfectly, but any attempt to verify them rejects every
> recipient. And, can tell me a workaround.
>
> None of the redirect routers have "no_more", because all emails are
> ultimately routed by the local_user router, using the final data
> from the redirect routers.
>
> Running exim from command line with -bh gives me no clues, as it
> routes to all addresses perfectly, cascading down through all
> routers as expected, finally routing to the actual local user. (By
> the way, no local user id is ever used as an actual external email
> address, although is used internally) I presume this -bh doesn't pay
> any attention to ACLs.
>
> It would also be nice if someone can tell me how to test this kind
> of issue without using the live system. Users tend to get cranky if
> their mail is returned to sender.
>
>
>
>
>
>
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