I am using Stalker communigate pro, which runs under most OS flavours including Windows. It is highly customizable (AD integration, Radius server etc) and is probably one of the easiest to administrate enterprise server software.
Because I am not a big nix guru myself, I run it on a WinXP pro machine and it runs rock-solid for around 50 users. Never crashes or hangs. Performace at least 5x faster than Imail. Scalable from single server to big clusters. See: http://www.stalker.com. You can download the normal version which runs for 30 days, and if you are using it with only 5 user accounts it is free.
I used to run Imail but was quite limited with the options. Also the webmail is not very fancy. The Declude plug-in is nice, but costs far too much per user for what it is doing.
Communigate is able to look-up local and realtime blacklists during the connection and can terminate the connection without accepting the email. This saves you a lot of spam filtering and AV CPU time. You can block all dynamic IP's this way. Also you can set a 20s delay for SMTP answering which cuts down on spam as well. Imail was not able to do these things last time I checked.
Communigate works well with the free cpgsa plugin which talks to spam assassin. See http://www.tffenterprises.com/cgpsa/.
Spam assassin doesn't perform that well under windows and doesn't support spamD. But it works well with the cgpsa plugin.
The additional nice feature of communigate is SIP which can acts as instant messenger platform and full feature VOIP gateway/PBX with voicemail, conference calls etc. Also it supports MAPI (MSOutlook, MSExchange replacement). It comes close to a real exchange server, but if you need exchange features please buy the real MS Exchange server.
Also it supports Calendaring via Webmail, iCal or Outlook.
I think that is enough information for the moment. Write me an email off-list if you need more info.
Cheers
Adrian
-----Original Message----- From: swinog-bounces@lists.swinog.ch [mailto:swinog-bounces@lists.swinog.ch] On Behalf Of Roger Buchwalder Sent: Friday, 22 December 2006 9:03 AM To: swinog@swinog.ch Subject: Re: [swinog] Mail Server suggestions
Hi Mike
Between 2000 and 2004 my ISP used IMail. It was very easy to use, also those "plugin" against spam and virus was very nice. (till then, i don't know the linux-style aka spamassassin etc.) Some of these plugins created the same person, who made dnsstuff.com One of those guys is R. Scott Perry.
But now, I guess the guys fron dnsstuff sold they're business to ipswitch...
http://www.ipswitch.com/products/imail/index.asp
But they changed a lot in the last time, don't know, if they are still good...
Greets Rog
Mike Kellenberger schrieb:
We're looking around for a new mail server solution, since our mercur (www.atrium.de) server is just too unstable.
Preferably it should run on windows (we're just not at home on the *nix platforms), have all it's config options in a sql database, provide anti-spam and anti-virus out of the box, have a feature-rich webmail client and be tailored for a small ISP.
Our specs: ~700 Domains, ~4000 Users
Thanks in advance for all your tips!
Cheers,
Mike
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