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Date:      26 Jul 2001 06:25:07 +0930
From:      Andrew Reid <andrew.reid@plug.cx>
To:        John Martinez <john@mtbiker.net>
Cc:        Clayton Tycksen <clay@tycksen.com>, "freebsd-questions@FreeBSD.ORG" <freebsd-questions@FreeBSD.ORG>
Subject:   Re: web email
Message-ID:  <996094507.6701.17.camel@percible.alfred.cx>
In-Reply-To: <3B5F5DC7.FDC4D00E@mtbiker.net>
References:  <3B5F4A25.1F3C7C92@tycksen.com>  <3B5F5DC7.FDC4D00E@mtbiker.net>

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On 25 Jul 2001 17:01:11 -0700, John Martinez wrote:

> I'm going to be playing with IMP pretty soon on my FreeBSD 4.3 server.
> 
> http://www.horde.org/imp/
> 
> Don't think it's in the ports collection, though (at least I couldn't
> find it). I have a friend who runs it in FreeBSD and likes it.

IMP is excellent. You do have to watch out for one thing that can slow
down you SQL database:

As IMP 2.2 uses PHPLib (http://phplib.netuse.de) for session management,
state sessions can quickly mount up in the SQL database, causing some
performance issues.

There are two ways to go about it. Ones prevention, and the other's a
cure. One would prevent this from happening by ensuring "Logout" was
"clicked" every time a user finishes their session. This causes PHPLib
to remove the session data from the SQL database.

The cure is to write a bit of ([Pp]erl|[Pp]ython) to login and remove
all the sessions (in the middle of the night, of course).

That problem only really surfaces when you've got more than about 200
users accessing it regularly. I base my knowledge on experience with a
system with ~1000 regular users. That's fairly small compared to some of
the sites that IMP runs on :-)

   - andrew

--
void signature () {
	cout << "Andrew Reid -- andrew.reid@plug.cx" << endl ;
	cout << "Cell: +61 401 946 813" << endl;
	cout << "Quidquid latine dictum sit, altum viditur" << endl;
}


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