Hello!
My company just put a server on Rackspace.com and I'm the one who will be
administering it. To keep things easy, we don't use any fancy mail interface
software, we just made an account with password for each employee. Then the
IMAP/POP3 server just hands out the mail that way.
The problem we have is using that server as our SMTP "outlet" for our internal
office machines. We want the machines in the office to be able to relay mail
through the public server, and also each of the employees to be able to relay
mail through the server (from their portable systems (running Mac OS 9 mostly)
from anywhere (home, on the road, etc, etc)).
We would like to be able to do this from the notebooks with a single mail
setting, not have to change it depending on where they are when they try to
send the mail.
Currently, I run sendmail on that server. Mostly because that's what I've
used at home and I've become used to the sendmail-cf configuration tools that
come w/ Red Hat. If qmail does what we want, I'll switch in a heartbeat...
Anyway, with sendmail I think I can tell it to relay any mail from the local
machine to the outside world and then tell it to relay any mail from our
office network to the outside world (by allowing relaying from the office IP
address) with "RELAY_DOMAIN( <office IP address> )". However, that will not
allow the employees to relay through it from home or on the road.
Since the IP addresses for those locations are dynamically allocated, I cannot
make a list of "RELAY_DOMAIN()" config commands to limit relaying to us.
Is there a way to have authentication and then doing an SMTP relay in
sendmail? in qmail? In another SMTP server?
Thanks!
-Michael
--
In light of the terrorist attack on the U.S.:
They that give up essential liberty to obtain a little temporary
safety deserve neither liberty nor safety.
-- Benjamin Franklin, 1759
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