Re: [SLE] POP Mail HOWTO?

On Thursday 20 July 2006 17:59, mlist@xxxxxxxxxxxxxxx wrote:
For example, if you want a general service for several
people, who have the option to log onto the serving
machine and read mail from there, OR to read their
mail from other PCs in the building (I'll worry about
remote webbish access in part 2), then you want fetchmail
and <whatever goes in the middle> and IMAP server to
all start and run as processes when the machine boots.
... so why does fetchmail have little config files
for each local user, in each respective home directory,
and are they even seen if the given user is not logged
in, and what about mail users who don't have login
accounts on the server PC? Why _don't_ they need little
fetchmail config files of their own?

fetchmail has one config file per instance you run. There are basically two
ways of doing it. Either each user sets up fetchmail for his/her own
accounts, and runs a private fetchmail, or the admin of the machine sets up
one central config which fetches all email for all user accounts. It's down
to taste and what suits your exact setup really. Both ways work


Similar questions about IMAP. And where should the mail
be going for the IMAP server to handle it, if _some_
of the users are local login users, but some are
remote-only and don't have a login account on the
serving PC?

I suspect that rules out Joanne's solution then, since I don't think that can
handle virtual users (at least I don't think so).

cyrus can though, but in the solution I gave in my other email, it would
require that you create accounts for them, but you can disable logins (set
login shell to /bin/false) if you want.

There are ways of creating purely virtual users without linux accounts too, if
you really want them


Does IMAP need/expect that all the incoming mail will
be in one place, or can it handle (say) /data/Maildir
for the non-local subscribers as well as individual
~/Maildir for those who have local login accounts?
What about that question makes it stupid? :-)

It's not a stupid question. IMAP the protocol doesn't care where the mail is
physically stored, but I don't think I've ever seen an actual IMAP server
that could handle multiple locations (cyrus murder, I guess, in some sense)

I mentioned Courier because that's what was used in
the HowTos to which I originally pointed John Alegre.
No other attraction to it.
My first-ever attempt at a server was with Cyrus, but
I tripped over stuff to do with authentication and
might also have had a generic IMAP trying to run at
the same time, or maybe Cyrus does like Postfix does
(when it pretends to be sendmail), and presents an executable
just called "imap" or "imapd"... does it? After I
finished installing SUSE 10.1 and blundering through
the (attempted) mail setup, Xinetd seemed to think
there was something called imapd, and nothing called
Cyrus-IMAP... though I think there was a Cyrus-sasl
daemon (listed in xinetd) that wasn't active... so easily do I confuse.

Neither cyrus imap nor saslauthd are run through xinetd, they are standalone
daemons

What I'm aiming for is:
<snip requirements>

I didn't say anything about outbound, in your scenario I don't see a reason
why the email client should't connect directly to the external mail server.
But if you want it to go through the postfix server for some reason (security
perhaps), then it's not so hard

Have a look at the description I gave in my other email and let me know if it
matches your requirements


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