Forwarding a Postfix Virtual Alias to /dev/null

“The usual solution is to forward to /dev/null, and in a
local-only setup you could do that in /etc/aliases:

do-not-reply: /dev/null

“However, if you’re using Postfix virtual domains, it gets a
little more complicated. With virtual domains/users, you can’t
forward mail to a file. It must go to a user or an email address,
like this:”

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