Re: [exim] Continuing development of Exim

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Autor: Mark Goodge
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Dla: exim users
Temat: Re: [exim] Continuing development of Exim
On 08/05/2012 11:17, Ian Eiloart wrote:

> http://www.securityspace.com/s_survey/data/man.201104/mxsurvey.html
>
> This survey is a year old, but suggests that Exim usage on public
> facing mail servers has steadily climbed to 45% of domains surveyed
> that reported software versions in their greeting. Half didn't
> report, so that figure might be as low as 20%, or even as high as
> 70%.
>
> The graph shows what looks like a linear migration from Sendmail to
> Exim, but also steady growth for postfix, and an accelerating decline
> for Microsoft since mid 2007. The latter trend may be due to a
> tendency to hide Exchange servers behind a gateway with perceived
> security benefits.


I'd hazard a guess that the decline in Sendmail, and the corresponding
rise in Exim and Postfix, is more to do with trends in default MTAs on
various different Linux distros than a deliberate choice by users. There
aren't many reasons to switch from Exim to Postfix or vice versa unless
you either need a particular feature or you simply have a long-standing
preference for one over the other, and there aren't many open source OSs
that default to anything other than those two.

I think you're right about Microsoft; I doubt there's any significant
decline in overall use of Exchange servers but there is a growing
tendency to put them behind a gateway for security reasons. And the
gateway itself will almost always be running whatever is the default MTA
on that device.

Mark
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http://mark.goodge.co.uk