[nSLUG] Re: Any nsluggers in Valley?

Bob Ashley ashley at chebucto.ns.ca
Mon Aug 29 14:52:44 ADT 2005


Thanks for the follow-up explanation, Jeff.  Now, your image of 'water soluable
ink on moist toilet paper' certainly delivers a razor-sharp picture of smudged
schmearedness. 

:-)

Bob


Quoting Jeff Warnica <jeff at coherentnetworksolutions.com>:

> On Mon, 2005-29-08 at 09:51 -0300, Bob Ashley wrote:
> > > Replacing Exchange with Sendmail or Exim will have problems, because 
> > > Exchange implementation also typically includes a Directory Service 
> > > (Active Directory, "Global Address Book") which would to be also included
> 
> > > and synchronized with account maintenance issues. I haven't even touched
> 
> > > on the other Group-ware functionality such as Calendaring.
> > 
> > Your mention of the Apache option is clear, but I'm afraid I don't have
> the
> > mental equipment to comprehend the implications that go along with the
> above
> > paragraph. Is there a clarifying scenario that might show how things could
> go
> > wrong here?
> 
> 
> Sendmail is a Mail Transfer Agent. It moves mail from one system to
> another reasonably well. By itself, it can only locally deliver to "UNIX
> mail box format" (which, as a storage format, is only marginally
> superior to water soluble ink on moist toilet paper)
> 
> Exchange, in addition to providing a (significantly less capable) MTA,
> provides for /message store/ (proprietary Exchange format, but almost
> definitely faster/more features then mbox), /message access/ (POP3,
> IMAP, MAPI), /task lists/ and /notes/, /calendaring/ (with "free busy"
> search capabilities ("When is the next one hour block that Bob, Mary,
> Joe, Myself, a boardroom, and a projector are free at the same time?"))
> and the /global address book/ feature Michael mentions. Exchange also
> has /document management/ capabilities, with "workflow", but of these I
> know little.
> 
> Pretty much any of the above features can be shared between users with
> various levels of access, from "you can ask me if I'm busy at a
> particular time, and Ill tell you" to a secretary being, for all
> practical purposes, identical to their boss.
> 
> 
> Strangely, Novell has ended up with two potential OSS alternatives to
> Exchange, Open Exchange Server  http://mirror.open-xchange.org/ and Hula
> http://www.hula-project.org/ , both also offered in commercial supported
> versions. Sendmail (or whatever), Cyrus IMAP, OpenLDAP, some SQL server,
> Apache with the Horde framework and a bunch of its apps could also be
> clobbered together for a reasonable alternative, too. Horde would lack a
> unified management system...
> 
> 
> 
> 
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