Pkg exim4 users - Sep 2009 - EXIM with GMail without GMail smarterhost

I''m using EXIM on my Ubuntu 8.04.3 LTS webserver (pinecam.com).

  We use GMail as our incoming-mail MX and client. But, our webserver forum
(phpBB) needs
to send out notices for forum activity. I used a process similar to this:
http://wiki.debian.org/GmailAndExim4

  to setup exim to send outgoing mail via GMail''s smarterhost, and this
works pretty good.
However, two issues have come up. GMail rewrites the sender, which is not always
good.
Also, GMail''s outgoing daily quotas are biting us.

  I''d like to have EXIM send my outgoing messages directly without
using GMail, since this
machine is perfectly qualified to be a SMTP sending host. But, when I did that,
it would
also attempt to send notification messages for user at pinecam.com to mailboxes
local to the
webserver instead of passing them on to GMail (who is the designated MX).

  So, I need a way to have EXIM handle SMTP delivery of all non-pinecam.com
addresses
itself, and forward all pinecam.com messages to GMail via smarterhost SMTP. AND,
I need
messages generated by the forum to show blah at pinecam.com sender.

  Here is my update-exim4 config file:

http://pastebin.ca/1578143

  I''m not an EXIM expert at all, I''ve run qmail in the past
just because I''m familiar with
it, but I would prefer to use the Ubuntu-supported EXIM in this case.


  Thanks in advance for any advice.

-- 
Chris ''Xenon'' Hanson, omo sanza lettere                  Xenon
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