> From: owner-postfix-us...@postfix.org [mailto:owner-postfix- > us...@postfix.org] On Behalf Of Jeroen Geilman > Sent: Saturday, March 26, 2011 2:34 PM > To: postfix-users@postfix.org > Subject: Re: Making my own pipe.. > > On 03/25/2011 12:02 AM, Simon Brereton wrote: > > Hi > > > > I'm still trying to get Postfix to use deliverquota to deliver the > mails to my Maildirs. > > > > The only thing I could find on the net was a comment from Magnus > http://www.irbs.net/internet/postfix/0412/1673.html that I had to > make my own pipe. > > > > So this is my attempt: > > > > deliverquota unix - n n - - pipe > > flags=DRhu user=vmail argv=/usr/bin/deliverquota > $domain/$recipient > > > > One concern - vmail is not a user on my system (and since I copied > this from the maildrop pipe, I'm now wondering how mail is delivered > at all. > > > > Not via maildrop, since the user does not exist. > The first message postfix tries to deliver to the maildrop transport > will crash it with a fatal error. > > For basic information on how (local) mail is delivered, read > http://www.postfix.org/OVERVIEW.html#delivering
I agree with your diagnosis :) I'm just now confused as to what *is* delivering mail. I'll try to figure that out. > > My first question is, is $domain/$recipient the way to deliver a > Maildir structure that is always domain.tld/user where user is the > portion before the @ - this is the way I've understood man pipe, but > I'd like to be sure. > > Do I need it to be unpriv or not? > > > > The choice of mailstore is unrelated to any other postfix > configuration options; it's just a choice. > If you want mail to be stored in /var/mail/domain.tld/username then > the above will accomplish that. > > I'm unsure what you mean by "unpriv" - postfix does not execute > setuid root programs, so in that sense, everything is unprivileged. Thanks for the validation. As for the unpriv - I was just going off the table headers in master.cf > > My second question is what happens when deliverquota refuses to > deliver the mail because the Maildir is over quota? Does postfix try > to deliver a DNS? > > > > > > That depends on the status deliverquota returns to postfix. > If it's a temporary error, the message will be deferred and retried > later. > If it's a permanent error, the message will be rejected and postfix > will > generate a DSN back to the originator. Okay - either will be great so long as the permanent error is something about over quota. Or can be customised as such. Thanks for the pointers.