Address Recipient Delimiter downcasing after the +

[Spencer Tuttle]

Hello All,

I am having the following problem, if I address email to
username+test at rackman.biz and I have a folder called test and it has the
acl of "anyone p" on it the mail gets delivered successfully to the
folder.

But if I address an email to username+Junk at rackman.biz and I have a
folder called Junk and it has the acl of "anyone p" on it the mail goes
to the INBOX. Looking in the logs I see that lmtp has downcased the
entire email address so that when I send to username+Junk at rackman.biz it
shows like this...

May 11 21:26:49 rackman postfix/lmtp[17306]: 7517F62429:
to=<username+junk at rackman.biz>,
relay=/var/imap/socket/lmtp[/var/imap/socket/lmtp], delay=0, status=sent
(250 2.1.5 Ok)

I am running the following versions of software.
Postfix-2.1.5
Cyrus-2.2.12

I have the following in my imapd.conf
...
virtdomains:            userid
defaultdomain:          rackman.biz
singleinstancestore:    yes
lmtp_downcase_rcpt:     yes
...

In my main.cf
...
recipient_delimiter = +
propagate_unmatched_extensions = canonical, virtual, alias

I have to use propagate_unmatched_extensions because I am running
virtual_alias_domains in postfix to be able to deliver to my virtual
domains in cyrus.

Am I missing anything else in my configuration?

Thank You,
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