Encryption on Mailing lists sensless?

[Mirimir]

On 11/24/2014 09:57 AM, MichaelQuigley at TheWay.Org wrote:
> MFPA <2014-667rhzu3dc-lists-groups at riseup.net> wrote on 11/22/2014 
> 04:16:38 PM:
> 
>> From: MFPA <2014-667rhzu3dc-lists-groups at riseup.net>
>> To: "MichaelQuigley at TheWay.Org on GnuPG-Users" <gnupg-users at gnupg.org>
>> Cc: "MichaelQuigley at TheWay.Org" <MichaelQuigley at TheWay.Org>
>> Date: 11/22/2014 04:16 PM
>> Subject: Re: Encryption on Mailing lists sensless?
>>
>> -----BEGIN PGP SIGNED MESSAGE-----
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>> Hi
>>
>>
>> On Wednesday 19 November 2014 at 7:50:32 PM, in
>>
> <mid:OFBE3B7F0E.C137FE74-ON85257D95.006C7C99-85257D95.006CFF33 at TheWay.org>,
>> MichaelQuigley at TheWay.Org wrote:
>>
>>
>>
>>
>>> Which of course would not be possible if the public
>>> mailing list was all encrypted.
>>
>> Unless the search engine subscribed to the encrypted list and produced
>> search results in the clear.
>>
>> - --
>> Best regards
> 
> And I'm not sure what we would be doing there except burning extra CPU 
> cycles encrypting everything that's now publically available because the 
> search engine has it all decrypted.

Well, membership would presumably be by invitation only. With end-to-end
encryption, recipients could be confident about the integrity of
messages. And messages could be uniquely watermarked for each recipient,
so that leakers could be identified, and dropped from the list.