SENDMAIL

[Len Conrad]

>   Subject: SENDMAIL
>
>
>
>   For us to provide a SENDMAIL SERVICE, we need help to configure our mail
>   server, using open source resources (no linux) with the capability to 
> send up
>   to one million messages daily.

if you are just starting out, I suggest postfix at MTA as being much easier 
to configure and admin than the other MTAs,

>Our server must be remotely automated to function flawlessly 24/7.

for that volume mail, I recommend multiple types of MTA configuration. One 
MTA for MX (inbound), one MTA for outbound, another MTA for mailbox 
storage. In fact, I would recommend putting content-scanning (ant-virus) on 
a dedicated MTA.

1. MX sends inbound to 2.

2. AV
    a. sends inbound to 3.
    b. sends outbound to 4.

3. mailbox sends outbound to 2.

4. outbound MTA sends to Internet

Len

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