RE: NTMail Performance

Jeremy Domingue ( (no email) )
Thu, 5 Feb 1998 10:16:52 -0800

We had the same problem with NTMail and were never able to correct it. We
switched over to MailSite, and it couldn't be running better... I would
defenetily recommend MailSite over NTMail (with the purpose of
authenticating from Emerald) any day.

Jeremy Domingue
Tehachapi Mountain Internet

> -----Original Message-----
> From: Duane Schaub []
> Sent: Thursday, February 05, 1998 8:38 AM
> To:
> Subject: NTMail Performance
> I am getting poor performance from my NTmail/Emerald setup.
> NTMail is running on a machine with 128Mb ram/P200(Just a plain old 200)
> and IIS4 with a few domains. After running for a day or so, POP and SMTP
> occupy about 70-90 MB of RAM by themselves, and inetinfo user another
> It takes about 24 hours to reach these ram levels. Immediately after
> up, only about 71 Mb (including disk cache) is in use. I believe that the
> inetinfo size is due to IIS caching its web content.
> Anyway, SQL is on a different server p166/96Mb RAM. When a user checks
> mail, it takes 10-15 seconds for emer_ntm to retrieve the user info from
> the DB. It almost seems like it has to login to the SQL server or
> something like that. The SQL server only has about 10-15% CPU utilization
> and considerable idletime on the Harddrive. It appears to just be sitting
> there after the pop request has come in.
> Is this performance normal with NTmail? I have a number of users
> complaining that SOME of their incoming mail is bouncing back to the
> with invalid user errors. This is only some mail. Also, when checking
> mail sometimes users get "Invalid username/password". They can check
> a few seconds later and it works. The problem is that some users
> immediately start playing with their system and screw it up. Then I spent
> the next half hour trying to fix them.
> Here's one for Dale.... Can you make an SQL script that will generate a
> file (like radius) that can bet run with the command line ntmail program
> save the users to the ntmail registry. This will allow users to bypass
> ntmail.dll and full utlilize the aliases, etc within emerald. If this can
> be done in an external program or as an SQL script, then I can schedule it
> to run periodically during the day. This will reduce the loading on the
> SQL server and reduce network traffic plus significantly enhance the
> reliability of the NTmail server since it won't rely on the ODBC
> connection... Which seems shaky at best.
> Duane.
> ==========================================================================
> Duane Schaub, President |Terra World, Inc - Connecting The Planet
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