Re: [exim] Deny domains with nonexistent MX

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Author: Tony Finch
Date:  
To: Odhiambo G. Washington
CC: exim-users
Subject: Re: [exim] Deny domains with nonexistent MX
On Mon, 17 Jan 2005, Odhiambo G. Washington wrote:
>
> What is the best way to deny smtp service to a sender_domain whose
> MX records don't exist?


require verify = sender

This passes the address through the routers. If the dnslookup router can't
find the MX or A or AAAA record for a mail domain, routing will fail and
so the ACL will return DENY.

Tony.
--
<fanf@???> <dot@???> http://dotat.at/ ${sg{\N${sg{\
N\}{([^N]*)(.)(.)(.*)}{\$1\$3\$2\$1\$3\n\$2\$3\$4\$3\n\$3\$2\$4}}\
\N}{([^N]*)(.)(.)(.*)}{\$1\$3\$2\$1\$3\n\$2\$3\$4\$3\n\$3\$2\$4}}