Quoting Michael M Slusarz <slus...@horde.org>:
Quoting Robin Bankhead <ho...@headbank.co.uk>:
Hello,
I am hoping to use Horde/Imp (latest horde-webmail from PEAR) with
Apache James v3 (eternal beta) as IMAP server and local delivery
agent. The local mailstore will be receiving mail from a number of
domains/accounts, but it has no true FQDN of its own, so everything
gets fetched into a single @localhost IMAP mailbox. That IMAP
login is set to autologin in horde main config, and Imp uses it via
$servers['imap']['hordeauth'] = 'full'.
The James SMTP server *could* relay all outgoing mail for all these
domains, but in my testing this has garnered high spam scores, even
when clients are locally doing SMTP AUTH. I guess this is because
of our lack of an originating FQDN.
I'd therefore like to have Imp choose the SMTP server config
dynamically upon sending, based on both From: and To: addresses of
the outgoing message. The user would choose the From: address
using a list of Identities defined in global prefs. The
The things I need to know are:
1. Can this be implemented at all? (I reckon it can, but...)
Sure. But you will have to directly change the source.
2. Would I implement it by a routine in one of the conf files (I
have done it like this before, for turba config circa H4) or would
I need to use a Hook?
No.
3. Where do I find the variables I need for
(a) The From: address or Identity, and
(b) the To: address?
Just grab them from the code. You want to look at the
IMP_Compose#sendMessage() method (imp/lib/Compose.php).
$GLOBALS['injector']->getInstance('IMP_Mail') returns the mail
transport object - you will need to replace that with whatever code
you need to create the proper mailer object needed based on the
addresses.
michael
Thanks Michael, this saved me a lot of misdirected effort. If I may,
a couple of follow-ups:
1. The "cleanest" way to attack this (least disruption to existing
core code) seems like it would be to make a child to the
Horde_Mail_Transport_Smtp class. Is that extra level of inheritance
likely to break anything else, that you know of?
2. Would invoking by default this putative child class (call it
Horde_Mail_Transport_Smtpcustom) be simply a matter of declaring
$conf['mailer']['type'] = 'smtpcustom' ? The idea being I'd then not
need to alter IMP_Compose::sendMessage().
3. In one scenario (mixed local and external recipients) I'd need to
effectively split the message into two when sending (one for each
category of recipients, going to their respective mailers). At first
blush it seems like I could do this within my Smtpcustom class; do you
agree, or would it
(a) be offensively improper conduct, and/or
(b) break things all over the place?
(I notice that IMP_Compose::buildAndSendMessage() is where this
splitting happens for S/MIME multi-recipient messages, so I could
probably do something there but it'd mean making my code additions
less self-contained.)
Best,
Robin Bankhead
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