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Subject: Re: `user-mail-address' for message-ids
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Florian Weimer <fw@deneb.enyo.de> writes:

> > Nothing guarantees that another client won't generate the same lhs
> > using a different algorithm.
> 
> If there are, say, 64 bit of entropy in the message ID, this is not
> going to happen, regardless of the scheme being used.

Thanks for expressing mathematically what I've been trying to get
across all day.

> The '%s.mid.gnus.org' solution seems to be a good idea.  For cancel
> locks, we need an entropy collector anyway, so we can use its output
> to generate a unique identifier for the RHS as well.

I'm all for a better RHS than (system-name), but why stick "gnus.org"
in there.  This looks too much like a fqdn.