I have a moderate number of virtual domains, each with small numbers
of users, which so far I've been handling with straight qmail.  Many
of the email addresses simply forward elsewhere, the rest deliver to
actual users on the server (currently using mbox format for that, to
avoid the hassles of trying to reconfigure umpteen MUAs for maildir;
no delivery across NFS here).

I now have some need to add actual virtual email users; people who
pick up email via pop (or perhaps imap), but do not have accounts on
the system.  Vpopmail seems, from the discussion on the qmail list, to
be the tool of choice for this.  I guess this would be the wrong
mailing list to look for people to tell me this is a mistake, eh?  But
if anybody think I'm overlooking an easier approach, do let me know.

Vpopmail is specific to maildir, yes?  So I'd have to handle the new
virtual users as maildirs, which means I'd have to change *all* pop
users (some of the actual users use pop to get their mail also) to
maildir delivery.  I can specify in the individual qmail files how
each individual user's mail is delivered, so that's not technically
challenging; though it does mean I'll need to get maildir-aware
versions of some MUAs for the users who use *both* pop *and* local
mailreaders.  But I know they exist (and a lot more of them exist, and
support maildir without patches, than when I first set the current
scheme up).

Is there anything difficult about adding vpopmail support to a system
that already has local users on it?  or are all my problems going to
come from the change to pop server (a maildir-based one) and related
changes to user mailbox formats?

I haven't yet reviewed the documentation carefully, which of course
I'll do before I actually try this; I'm currently looking for pointers
to areas where I will have trouble, or (preferably) reassurance that
what I'm going to do is easy.

No doubt I'll be back with detailed questions when I start actually
trying to do it.

Oh, is there important online documentation beyond what's on the
inter7 web site and what comes in the source tarball, that I should
find and read before I try anything?

Oh again, and we also now want a webmail client for the virtual users,
and perhaps also for some of the local users.  Is there an obvious
choice for that, like sqwebmail?
-- 
David Dyer-Bennet      /      Welcome to the future!      /      [EMAIL PROTECTED]
SF: http://www.dd-b.net/dd-b/          Minicon: http://www.mnstf.org/minicon/
Photos: http://dd-b.lighthunters.net/

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