Garry T. Williams gtwilliams at gmail.com
Sun Dec 1 22:48:09 UTC 2013

On 12-1-13 17:39:50 Garry T. Williams wrote:
> Without the required headers, there is no way to do proper threading.
> It can only come close using Subject header value, date, and time.

By the way, this is spelled out in RFC-2822.  See


Also, by the way, Microsoft ignores this RFC in its clients.  :-(

Garry T. Williams

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