I would like to list multiple gateways to send through.
In case the primary smtp gateway that imail sends through goes down, I would like imail to send through the next gateway.
IIRC, if you put a domain name in Imail "send all mail through gateway", IMail does an A query, not an MX query.
In DNS, delegate the mx-out.domain.com to its own zone, make the zone dynamic. Change the short-TTL (2 minutes) A record of mx-out.domain.com to own the IP of a working gateway.
Len
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