Hi, To do some maintenance work, I need to temporarily disable mail acceptance in my postfix MX. I'm curious what is the best way to do this. The 2 (obvious) options I came up with:
1) stop listening on tcp/25, f.i. by firewall adjustment
2) adding some access check in smtpd_mumble_restrictions that returns
DEFER for all transactions that would otherwise be accepted.
There is no backup/fallback/secondary MX that comes into play when I
start fumbling with this one. Is any of the above methods preferable?
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Regards,
Tom
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