On 2024-08-06, Ian Z via Exim-users <exim-users@???> wrote:
> Does non-callout sender verification of nonlocal addresses, in the case of
> a dnslookup router, determine the MX host of the sender domain?
>
> If yes, how can I access and log that information?
So "verify = sender"
That's going to activate the routers, if it hits a "dnslookup" router
that is enabled for verify then yes there will be a DNS lookup for MX
(shortcut-or A) records, they will be resolved to A records (if needed) and
compared agaisnt any "ignore_target_hosts" on the router.
The succesful router will drop this (filtered) list of IP addresses into some
variable.
$sender_address_data perhaps
or it might be an internal variable that is hidden from you.
certainly it couldn't hurt to try
logwrite = sender verify ($sender_address) = $sender_address_data
in your ACL code.
--
Jasen.
🇺🇦 Слава Україні
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