I setup an alias at example.com in postfix to point at me at example.com I send one email to me at example.com and alias at example.com, tried both ways of using CC and putting both addresses in the To field. I see in postfix logs that it delivers two messages to dovecot-lmtp. However i only get one copy of the email in my inbox. I assume dovecot is detecting duplicate emails going to the same location and just discarding one of them. Is there a setting to control this behavior? Can dovecot be told to deliver what it was given and not decide to discard?