Hi, I have a setup, which is the same (currently in testing).
Main problem is that LDA has to switch its privileges to the owner of mail so it has to be run as root. Marking it suid solves the problem, than you can change it to be executable only by Postfix. Timo says that this is the safe way and I personally believe him :-)
Láďa-----Original Message----- From: dovecot-bounces@dovecot.org [mailto:dovecot-bounces@dovecot.org] On Behalf Of Jochen Schulz Sent: Monday, January 22, 2007 6:01 PM To: Dovecot Mailing List Subject: [Dovecot] Postfix & Dovecot LDA
Hi,
before I start to write a lengthy email about something that isn't really possible anyway: can I make Postfix use Dovecot's LDA and start it with different user IDs?
My scenario: Dovecot authenticates users for Postfix and itself using Postgresql. Mails for two domains should be stored under /srv/<domain>/<user> (which is the location returned by my user_sql query and mail_location).
When my clients login (with usernames of the form 'user@domain'), Dovecot creates/opens the correct mailboxes for them, but I can't get LDA to deliver to these mailboxes. Whatever I try, I am always running into some kind of permission problems (either for the mailboxes, or for auth_socket).
I want to use a unique UID for every virtual domain, so I guess LDA needs to have permissions for every corresponding mailbox *and* Dovecot's auth_socket_path. Is there a good solution for this which doesn't involve severe security implications?
J.
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