email hashes in PGP keys as protection against spam

Max petersonmaxx at
Mon Oct 5 23:49:40 CEST 2009

you can use
as it is a web of trust, you can add friends without a key server, but only,
if friends of friends know them.
but if you do not add them, you cannot get mail or spam.
RetroShare Email is spam-free.
On Mon, Oct 5, 2009 at 4:08 AM, Hauke Laging
<mailinglisten at>wrote:

> Hello,
> I would like to propose a small change to gpg (which I cannot do myself as
> I am not a programmer) which should solve the spammers harvest key servers
> problem.
> The description is on my web site:
> Google told me that several people are aware of the problem but that it's
> importance is assessed differently. One mentioned the idea I had, too, but
> thought it was not possible with openpgp. So I hope that my suggestion is
> new (I haven't found anything about that in the mailing list archive).
> I hope that somebody with the necessary capabilities finds this interesting
> and easy enough to give it a try. :-)
> Of course, I am interested in comments in order to improve the concept if
> necessary.
> Hauke
> _______________________________________________
> Gnupg-devel mailing list
> Gnupg-devel at
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