On Sat, Apr 07, 2012 at 05:52:36PM -0400, Mike Jones! wrote:
> I have dovecot serving up imaps with virtual users delivering
> to a maildir and authenticating against a flat file. Now I am
> trying to get postfix to use sasl to authenticate a virtual user
> and allow the virtual user to send mail to an address on the
> public internet via smtps.
Hmm? This is not clear. Why smtps? It sounds like you should be
implementing submission with TLS. Smtps is only needed to support
inadequate, older Microsoft MUAs. Better clients and more recent
Microsoft ones support STARTTLS.
Beginners are usually better served by system users. The setup is
much simpler, which is why you won't find many HOWTOs which cover
setting it up. Whatever advantage you think you get from virtual
users v. system users is probably imagined.
On the Postfix side, start at:
http://www.postfix.org/BASIC_CONFIGURATION_README.html
For Dovecot version 2.x look around at:
http://wiki2.dovecot.org/
and you can usually get by just reading through the files in
/etc/dovecot/conf.d/ .
> I recall reading in postfix docs that postfix cannot yet
> authenticate for smtp against dovecot in this situation.
I'm not sure what you read, but perhaps you confused client and
server AUTH. Client AUTH means your server has to authenticate at
another SMTP server, e.g., a relayhost. Dovecot SASL is only for
server AUTH, which means clients (MUAs like Thunderbird) can
authenticate at your server, and thus be allowed to relay mail.
If you do need client AUTH, you also need to elaborate on what you
are trying to do and why. Perhaps you are better off just using your
current solution, not running a mail server at all. (See also
http://www.postfix.org/SOHO_README.html for suggestions, if this is
the case.)
> Do I just need to set up a separate store of accounts (e.g.
> sasldb) with the same account credentials? Really having a
"E.g. sasldb" means what?
> tough time finding docs for this specific setup, but it seems
> like it would be a rather common one.
The common thing I'm seeing is a poor description of the problem and
goal. :) Try to clarify, in non-technical terms, what you want.
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