On Wed, Oct 30, 2024 at 09:11:13PM +0800, Adriel wrote:

> If I don’t set the recipient table, what’s the trouble?

You'll accept mail to non-existent recipients, which will later bounce,
and if spam and perhaps a joe-job, will annoy the forged senders and
damage the reputation of your system.  Also help to avoid congestion
in your queue trying to deliver all those bounces to non-responsive
MX hosts of forged sender addresses.

-- 
    Viktor.
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