Viktor, thanks very much. I'll be reading about all this and hopefully will be asking some more questions once I have more knowledge of this.
Ignacio On Tue, 1 Feb 2011 13:20:07 -0500, Victor Duchovni <victor.ducho...@morganstanley.com> wrote: > On Tue, Feb 01, 2011 at 07:11:52PM +0100, Ignacio Garcia wrote: > >> > This splits into two use-cases: >> > >> > * Relay >> > >> > - Each server accepts mail for the other's domains, and relays >> > them to the right server. All you need is access to a table >> > of valid recipients for the relay domains, and table of >> > said domain names. >> > >> > * Full-service: >> > >> > - Each server accepts mail for all the domains, and delivers >> > to the correct mail store. Need fully unified data model. >> > >> > Which use-case are you aiming for? >> > >> >> definitely full-service. I do not understand whan you say that I need a >> fully unified data model. > > In addition to recipient lists, you need mailstore locations, and > transport settings, ... to actually deliver the mail. > >> >> - both servers need to check against both databases for valid >> >> destinations >> > >> > Correct (s/destinations/user-addresses/). >> >> ypu're right. >> >> >> - each server must know if delivery is to be local or it has to be >> >> relayed to the other server. >> > >> > Postfix does that automatically. Just add the domain to "relay_domains" >> > and not to virtual_mailbox_domains, or similar. >> >> ok. > > This is for the "relay" use-case. > >> >> - one server virtual_transport=maildrop (to courier-imap), the other >> >> =dovecot (we are going with dovecot for the future, the one with courier >> >> is older, but plenty of users) >> > >> > The difference in final delivery mechanisms is immaterial. >> >> Great!!! > > Sorry, for the full-service use case, both sets of SMTP servers > need to support both delivery mechanisms and choose the correct > one for each user. > > Ideally it would be LMTP for both, and the IMAP servers would handle > the delivery logistics. > >> So, can you point me to the right direction in learning how to get the >> full-service configuration done? > > Learn about virtual_alias rewriting or per-user transports in > ADDRESS_REWRITING_README.html. Strongly consider using LMTP for > all MTA -> Mail store deliveries, so that the MTA does not need > to understand the internal architecture of the IMAP store. -- Ignacio Garcia Gerente E.S. Oenus SL Tel: 962 961 017 SkypeID: oenus.com http://www.oenus.com
