[Novalug] Spam folders considered harmful [was: Administrivia: Re: test]
Charles Richard Head
charlesrhead65@gmail.com
Mon Feb 22 14:42:27 EST 2016
Where can an otherwise untutored sysadmin find the rules specifying how
an e-mail system must be run to comply with the standards that you are
referring to?
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On 02/22/2016 02:15 PM, Rich Kulawiec via Novalug wrote:
> On Mon, Feb 22, 2016 at 11:16:03AM -0500, Bryan J Smith wrote:
>> ???So ... as always, _never_??? expose _anything_ MS to the Internet for mail
>> ... whether MTA/Server or MUA/Client. There are _known_ issues with
>> malformed headers, including Exchange/Outlook (and Outlook Express)
>> creating its own. ;)
> Absolutely correct. Exposing those to the Internet is suicidal.
>
> And it's not very nice to your network neighbors: Exchange systems,
> partially by design, partially by misconfiguration, often do antisocial
> things to other more sensible email systems. So if you *must* run
> closed-source proprietary non-standard expensive garbage like Exchange,
> at least have the courtesy to put it behind something running postfix
> or sendmail or similar.
>
> ---rsk
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