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 -- ## subscription configuration (requires account): ## https://lists.exim.org/mailman3/postorius/lists/exim-users.lists.exim.org/ ## unsubscribe (doesn't require an account): ## exim-users-unsubscr...@lists.exim.org ## Exim details at http://www.exim.org/ ## Please use the Wiki with this list - http://wiki.exim.org/