Re: [exim] conditional break if dnsdb reveals a NXDOMAIN ?

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Author: Heiko Schlittermann
Date:  
To: exim-users
Subject: Re: [exim] conditional break if dnsdb reveals a NXDOMAIN ?
Cyborg <cyborg2@???> (Mi 02 Aug 2017 12:30:24 CEST):
> Hi,
>
> how must a ACL look like, if we wanne drop the message, when the domain
> in question does not exists ?
>
> in other words, i wanne check if a domain is registered at all, and
> dnsdb looks like the correct approach.
>
> Any Ideas ?


    condition = ${lookup dnsdb{$sender_address_domain}{yes}{no}}


But isn't for sender verification

    require verify = sender


the better approach? (Of course, if you do not talk about sender
verification, then …)

    Best regards from Dresden/Germany
    Viele Grüße aus Dresden
    Heiko Schlittermann
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