[Dovecot] recipient_delimiter

[voytek at sbt.net.au]

>> $recipient_delimiter = ‘+’

ahem, dumb question coming:

//I often read various threads here, and, look at my own setup, with a
view of optimizing or understanding things I should...//

I have working dovecot 2.1.1 with postfix, only have virtual domains, all
users in mysql;

'+' delimiter is enabled in postfix, and, works OK

postfix]# grep _delimiter main.cf
# The recipient_delimiter parameter specifies the separator between

recipient_delimiter = +

BUT, I seem to have nothing in dovecot.conf:

postfix]# cd /etc/dovecot
dovecot]# grep delimiter *

dovecot]# cd conf.d
conf.d]# grep delimiter *
15-lda.conf:#recipient_delimiter = +
20-lmtp.conf:# the mail to the detail mailbox. See also
recipient_delimiter and
20-lmtp.c_org:# the mail to the detail mailbox. See also
recipient_delimiter and

should I also enter $recipient_delimiter = ‘+’  in my
/etc/dovecot/dovecot.conf ?

what will it add to this working setup, what am I missing?

thanks for all pointers