Author: Jeremy Harris Date: To: Jan Johansson CC: Subject: Re: [exim] Not freezing "unknown user"?
Jan Johansson wrote: >>That's a bounce generated by your own host. What was the mail which
>>_caused_ the bounce?
>
>
> Sorry, my mistake.
>
> Feb 8 14:39:57 nvoweb exim: 2005-02-08 14:39:57 1CyVau-0002q3-Fi <=
> Mailer-Daemon@??? H=ncc3.infomail.es (infomail.es)
> [195.235.39.5] P=esmtp S=2547
> Feb 8 14:39:57 nvoweb exim: 2005-02-08 14:39:57 1CyVau-0002q3-Fi **
> burtongregg43@??? R=relay_router_nwl T=local_smtp: SMTP error from
> remote mailer after RCPT TO:<burtongregg43@???>: host 192.168.221.211
> [192.168.221.211]: 550 5.1.1 User unknown
>
> There is a incoming mail to a nonexistent router.
>
> The Exim does a callout and our exchange replies "User unknown." And as
> far I can tell, that should not generate a bounce from my system, since
> the ACL-call out should kill the transaction before it actually becomes
> a mail?
That looks like an actual delivery attempt to me, not a callout.
Look up "verify = recipient/callout" in the docs, and plonk it
somewhere in a recipient acl. Then you'll never accept the
mail (you did; the "<=" line in the log says so).
