Re: [exim] Recipient verification

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Author: Raymond Jette
Date:  
To: exim-users
Subject: Re: [exim] Recipient verification
Thank you. That worked.

> -----Original Message-----
> From: exim-users-bounces@???
> [mailto:exim-users-bounces@exim.org] On Behalf Of Heiko Schlittermann
> Sent: Wednesday, January 27, 2010 3:10 PM
> To: exim-users@???
> Subject: Re: [exim] Recipient verification
>
> Hello Raymond,
>
> Raymond Jette <rjette@???> (Mi 27 Jan 2010 18:38:22 CET):
> > At times I am getting frozen messages in the queue. I am
> getting these
> > messages because I am not doing recipient verification for hosts
> > listed in relay_from_hosts. I am having trouble figureing
> out how to do this.
> > Currently I have the folllowing:
>
> If you want to do recipient verification for your submitters
> depends on the way they can handle rejects at SMTP time. Most
> MUA are lost when they're face with some rejects in huge
> recipient lists. (More precisely:
> not the MUA is lost, the human using the MUA is mostly help- and
> clueless...) For our MUA submitters we *accept* everything, but
> we do our best do be sure about the senders address, so the
> chances are small, that we can't deliver the NDN.
>
> > acl_check_rcpt
> >
> > accept hosts = :
> >
> >   accept hosts = +relay_from_hosts
> >              control = submission

> >
> >   require message = relay no permitted
> >         domains = +local_domain : +relay_to_domains

> >
> > require verify = recipient/callout
> >
> >
> >
> > I would like to do recipient/callout if the user is listed in
> > +relay_from_hosts but i'm not sure the best way to go about
> doing it.
> > +I
> > tryed googleing for it but have come up with very little
> information.
>
> Depending on the rest of your configuration you could just
> move the "require verify = recipient/callout" up and place it
> *before* accepting from the +relay_from_hosts.
>
>     accept hosts = :

>
>     require verify = recipient/callout

>
>     accept hosts = +relay_from_hosts
>                control = submission

>
>     require message = relay no permitted
>           domains = +local_domain : +relay_to_domains

>
>
> But this allows other peple to use your box for verification
> purpose against all domains.
>
> So probably the following could be a starting point:
>
>     accept hosts = :

>
>     accept hosts    = +relay_from_hosts
>            verify   = recipient/callout
>            control  = submission

>
>     require     message = relay no permitted
>                 domains = +local_domain : +relay_to_domains

>
>     require      verify = recipient/callout

>
>
>     Best regards from Dresden/Germany
>     Viele Grüße aus Dresden
>     Heiko Schlittermann
> --
>  SCHLITTERMANN.de ---------------------------- internet & 
> unix support -  Heiko Schlittermann HS12-RIPE 
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