I run it on the same box with about 1300 accounts, and IIS also.  No
problem.  P4 2200, 768 RAM, RAID 5

It's really easy to manage since you can play by SQL Server rules.

Matthew Dehait
Systems Analyst
CORF Services
7272 E. Indian School Rd.
Scottsdale, AZ 85251
480.212.4003


-----Original Message-----
From: Sanford Whiteman [mailto:[EMAIL PROTECTED]] 
Sent: Tuesday, October 01, 2002 3:37 PM
To: rbad @ web-comm . com
Subject: Re: [imail] imail using external SQL database


> 1.  Are  there  any  negatives to using an EXTERNAL database vs. the 
> imail  DB?

Much slower than native.

> (any features that do NOT work once we move to External?)

Not anymore--it's pretty much identical, except for the above and some
domains-that-start-with-numbers issues.

> Are there any positives?

Ability to use SQL to add/query userbase.

> 1a:   How stable is this solution??

As stable as your points of failure. :)

> 2.  Can SQL server run on the same box as imail?

Technically,  yes,  but  SQL needs to be tweaked significantly and you
MUST size the box as if it were two servers in one. And you're already
choosing the slow (ODBC) method of running IMail.

> 3.  Can we use SQL for some of our domains and the imail internal db 
> for the rest? (none of our mail domains are "virtual" -- they all have

> individual public IP's)

Yes.

> 4.  Can imail "reach out across the internet" to validate users on 
> another SQL server at a remote location?

Geez.  Well,  there you're talking about link reliability and all that
other  janky intermediate stuff to worry about. IMail won't care, in a
sense--it  just  asks ODBC for the data, and it's up to ODBC where/how
fast to get it.

I  have  seen sites crippled by trying to do ODBC over WAN links--even
T1s that seemed okay going in. Realize that IMail requests a singleton
SELECT  on  EVERY  incoming message, every authentication request, and
also uses ODBC to store preferences. Not recommended.

-Sandy




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