On 06/08/2024 21:16, Ian Z via 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?
No (and there could well be more than one...).
You could do a dns lookup explicitly:
${lookup dnsdb{mxh=$sender_address_domain}}
https://exim.org/exim-html-current/doc/html/spec_html/ch-file_and_database_lookups.html#SECTdnsdb
--
Cheers,
Jeremy
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