[Dshield] Extreme increase in spam attempts... any one elseseeing similar event?

Tomas L. Byrnes tomb at byrneit.net
Mon Aug 20 14:47:06 GMT 2007


Zimbra does all this and more. You can even get a pre-configured VMWare
VM to try it out.
 

> -----Original Message-----
> From: list-bounces at lists.dshield.org 
> [mailto:list-bounces at lists.dshield.org] On Behalf Of Tony Earnshaw
> Sent: Monday, August 20, 2007 2:14 AM
> To: General DShield Discussion List
> Subject: Re: [Dshield] Extreme increase in spam attempts... 
> any one elseseeing similar event?
> 
> Tom skrev, on 19-08-2007 23:23:
> 
> >> On Sat, 18 Aug 2007 21:13:39 +0200, Tony Earnshaw said:
> >>
> >>>  I've always wondered why so many Postfix sites are there 
> (from the  
> >>> Postfix mailing list) simply as front ends for Microsoft 
> Exchange MTAs.
> >>>  Well, now I have a better understanding.
> >> If Postfix did all the other "cool things" that Exchange 
> claims to do 
> >> well, like shared calendars and "Joe would like to recall the 
> >> message", they'd probably not be just front-ends.
> >>
> >> The problem is that for all the flames Exchange takes from the 
> >> security community, it *does* provide a lot of features that large 
> >> sites often want to use, and those features are hard to 
> find on other 
> >> enterprise-ready open-source projects.
> >>
> >> Heck, we've got about 3,500 Exchange users ourselves, 
> precisely for 
> >> that reason.
> > 
> > And if you didn't use Outlook you wouldn't be able to get all those 
> > "features" either since they require proprietary interfaces and 
> > protocols in both the client and server.  Maybe if the 
> interfaces and 
> > protocols weren't held so close to the chest..... Ah but that would 
> > run the risk of Microsoft loosing market share...
> 
> Desknow (http://www.desknow.com/) will do everything that 
> Exchange can do in the way of collaboration - and more. 
> There's an Outlook front end for it and it can be used with 
> Postfix instead of its proprietary MTA. 
> Uses a MySQL database backend for users; shame, it should be 
> using LDAP.
> 
> It's not strictly freeware (there *is* a freeware version, 
> but it has limited capabilities), though the licenses cost a 
> fraction of Exchange licenses.
> 
> I haven't looked at Zimbra, it's dearer and is supposed to do 
> the same. 
> It does have LDAP as a DB backend.
> 
> Both can be installed on clean CentOS5 (freeware) or RHL5 (licenses
> necessary) installs.
> 
> Not enough people are looking around ...
> 
> --Tonni
> 
> --
> Tony Earnshaw
> Email: tonni at hetnet dot nl
> _________________________________________
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