postfix, cyrus imap, and plus notation delivery.

Edward Rudd eddie at
Sun Nov 16 14:17:44 EST 2003

I am using the unix hierarchy separator.. so yes the users do look like
user at domain^com on the disk, but that has nothing to do with this
issue.. And that's a standard part of cyrus so, i wouldn't consider it a
hack anymore.  I was remapping username at one point, but I am not now,
as I am using the ldap auxprop so I can support digest-md5

someone else e-mailed me directly the solution to the problem.. 
I had to set "recipient_delimiter = +" in postfix's and all
works find now..well except for postfix lowercasing the mailbox name so
I can't deliver to +Sent as it gets mapped to +sent..  but I can fix
that one.

On Fri, 2003-11-14 at 17:34, Ken Murchison wrote:
> Edward Rudd wrote:
> > On Fri, 2003-11-14 at 14:42, Ken Murchison wrote:
> > 
> >>Edward Rudd wrote:
> >>
> >>
> >>>I am currently using Cyrus IMAPd,
> >>
> >>Which version of Cyrus?
> >>
> > 
> > Cyrus 2.1.15 sorry
> > 
> >>  and postfix 1.1.12, using the virtual
> >>
> >>>mailer in postfix (via LDAP).  I am wanting to try and get the "plus
> >>>folder delivery" to work with this setup.. Currently users are mapped
> >>>like this
> >>>incoming e-mail => Cyrus mailbox name (with \\ escaping)
> >>>user at => user\\
> >>
> >>What's with the \\ escaping?
> >>
> > 
> > For postfix to deliver to the correct mailbox.. As the user's mailbox IS
> Are you using a virtdomains hack for 2.1.15 (so that use mailboxes look 
> like user.user at domain^com), or are you just rewriting the incoming address?
> > user at so postfix has to have it escaped so it delivers to
> > user at to cyrus server instead of trying to "redeliver" it to
> > user on mail server
Edward Rudd <eddie at>
Home Page <>
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