Replicate Gmail user+something@gmail.com functionality using Postfix

SimonJGreen asked:

With gmail it’s possible to put a + after your username followed by an identifier. See here for an example. Is it possible to replicate this functionality with Postfix? We have a postfix/spamassasin/clamav relay in front of our Microsoft Exchange server, and it would be useful to add this.

My answer:


Yes, just set recipient_delimiter in main.cf.

recipient_delimiter = +

It probably is already set.


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