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I have an email setup using Postfix, Dovecot, PostgreSQL. I am trying to change the recipient_delimiter to be - (dash) instead of + (plus) but the address are being rejected. In order to get the + working for my setup I needed to add the following to my postfix config:

#/etc/postfix/master.cf
dovecot   unix  -       n       n       -       -       pipe
    flags=DRhu user=vmail:vmail argv=/usr/lib/dovecot/deliver -f ${sender} -a ${recipient} -d ${user}@${nexthop}

However, once I change the config to use - (dash) as my recipient_delimiiter, the server no longer accepts any addresses with -blah suffixes.

Is there something I need to configure within Dovecot to ignore anything after a dash or is there something else that needs to be done in postfix so that it only passes the text before the dash to dovecot?

Thanks!

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1 Answer 1

up vote 0 down vote accepted

The answer ended up being as simple as also adding recipient_delimiter = - to the /etc/dovecot/dovecot.conf

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