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Topic: Plus delimiter/tag addressing with Postgres

I have noticed that recipient+tag@example.com only gets delivered to recipient@example.com after making the following change to /etc/postfix/pgsql/virtual_alias_maps.cf:

query       = SELECT alias.goto FROM alias,domain WHERE (alias.address='%s' OR alias.address=CONCAT(SPLIT_PART('%u', '+', 1), '@%d')) AND alias.domain='%d' AND alias.domain=domain.domain AND alias.active=1 AND domain.backupmx=0 AND domain.active=1

... maybe this should be made the default?

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Re: Plus delimiter/tag addressing with Postgres

Excuse me, what's the issue? and what's the point of the change?