Re: [Nmh-workers] 1.3 release and Dcc/Bcc behaviour

[Lyndon Nerenberg]

On Apr 9, 2007, at 5:33 AM, Robert Elz wrote:

> Uniqueness is what is needed - the hostname issue is that I know of  
> know
> way to ensure uniqueness without some kind of global registry

The best uniqueness property for a message is the message itself.   
Derive the message-id from a cryptographic hash of the message. E.g.:

  Message-ID: md5(message)@sha1(message)

is pretty much guaranteed to be unique for any period of time where  
the Message-ID matters.

--lyndon