plus addressing

[Zachariah Mully]

On Wed, 2005-09-21 at 18:54 -0700, Huaqing Zheng wrote:
> On 9/21/05, Zachariah Mully <zmully-kolab at smartbrief.com> wrote:
> > Hello all-
> >         I'm in the process of moving from a qmail/uw-imap installation to a
> > postfix/Cyrus-2.2 and I've one last problem to solve before I can start
> > moving people onto the new system.
> >         We make heavy use of qmail's extension addressing, which uses a dash as
> > the default delimiter. In Postfix this is configurable, but I've not
> > been able to find any place in the Cyrus config files where I can change
> > this from "+" to "-". Is this even possible? If it's not, has anybody
> > come up a good workaround that they can suggest?
> 
> This is not really a Cyrus issue but a MTA issue.  Most MTAs use + as
> the mailbox delimiter and simply send mail to the part before the +
> sign.  The part after the plus sign is used by the mail delivery
> agent.  One thing you can try is to use postfix regex rewrite maps to
> rewrite the - into a +.
> 

Thank Hauqing... That's kinda what I figured I was going to have to do.

I added recipient_canonical_maps = pcre:/etc/postfix/dashrewrite to
main.cf and then added the following rule to the table:

/(.*)-(.*)(@.*)/        $(1)+$(2)$(3)


Thanks for the help,
Zack