[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 ...
> Tony Earnshaw
> Email: tonni at hetnet dot nl
> SANSFIRE 2007 July 25-August 2 in Washington, DC. 56
> courses, SANS top instructors, and a great tools and
> solutions expo. Register today!
> http://www.sans.org/info/4651 (brochure code ISC)
More information about the list