Hello,
I'm currently exploring James as a replacement for our old mail setup.
In the current setup (using Demon Turnpike client/server) you could
call it virtual hosting because we are fetching mail for a number of
virtual domains into a single mailbox and sending *from* all those
domains via our authed ISP SMTP gateway. There is one "primary"
domain that we use for most outgoing and all internal mail (among
different email-names on that domain).
To replicate this using James, I propose to continue having a single
IMAP mailbox with various domains and their users having their own
folderspaces within it (the reason being that mail is often moved
around among these entities within the store and nobody wants to be
either forwarding everything or logging in/out constantly).
It's the intricacies of the SMTP setup that I think will be
tricky/impossible. The questions:
1. If I define the local (virtual) domains/usernames in domainlist.xml
(and add them via the cli), can the SMTP server be made to route them
all into a single IMAP store? Which is the correct mechanism for
this? (I thought sieve, but that seems in a state of flux and I
genuinely can't tell whether there is a functional implementation of
it right now in the 3.0beta4 code.)
2. Does the SMTP server (or other component) have any way of also
functioning as a client; that is, could it, instead of just relaying
outgoing mail, submit it to an upstream SMTP gateway (i.e. the proper
one for the message's FROM domain), including performing auth to that
gateway?
3. Because of the multiple domains involved, can the upstream server
be chosen from a list based on the FROM address domain?
I'm also looking at implementing 2 and 3 on the client side, but
that's proving pretty tricky too and I'd hate myself for not enquiring
if there was a solution in the code I'm already working with ;)
I hope I explained myself reasonably. Thanks for your time reading,
and any advice.
Robin Bankhead
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