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[liberationtech] Installation free end-to-end encryption: Asking for public review / opinion / suggestion

Rich Kulawiec rsk at
Thu Mar 28 04:30:35 PDT 2013

On Thu, Mar 28, 2013 at 10:48:17AM +0100, Simon Rothe wrote:
> - fast and secure hosted by Amazon-Web-Service

I wouldn't.

(a) Nobody with any clue accepts SMTP traffic from Amazon's cloud,
as it's proven itself to be a massive source of spam and other forms of
SMTP-borne abuse.  Attempts to get Amazon personnel to deal with this
in a prompt, professional manner have failed.  Therefore it's now a
best practice to deny incoming port 25 connections that originate in:

and/or which have rDNS that resolves to hosts in the subdomains or

(b) The assertion that Amazon's cloud is secure has no proof.  Nor will
it have proof anytime soon -- which is not an Amazon-specific problem,
but a general problem with all cloud computing services.


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