If example.com has an A RR (or defined in hosts file) then even no MX RR
the message should get delivered. I made no test on it though.
On 2024-07-12 00:53, Adam Weremczuk via Postfix-users wrote:
Hi all,
I have a highly isolated host (e.g. most outgoing traffic blocked, no
DNS) but I would like to use Postfix on that host to send certain
emails to a single address exam...@example.com.
I've already allowed 25 TCP traffic to the email server of example.com,
which is normally sufficient.
How about telling Postfix that this server is the MX record of
example.com?
With DNS working that's how Postfix normally figures it out, by
requesting MX records and trying them by priority order, right?
Without DNS, can I hardcode it somewhere?
Regards,
Adam
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--
Jeff Pang
jeffp...@aol.com
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