Re: sorting uniquely by message-id

Hi Wolfgang,

> It appears to have problems with messages that have no message-id
> field at all (like those being archived throu a Fcc: header).

send(1) has a -msgid to add a message-ID field before processing the FCC
field rather than assume something downstream will add one.  That way,
you've a record of the message ID for passing onto other later.

-- 
Cheers, Ralph.