In a recent note, Ted MacNEIL said:

> Date:         Wed, 24 Jan 2007 22:51:30 +0000
> 
> >Outlook provides such a feature.
> 
> ONLY if you are in the same domain as the recipient.
> 
What's a "domain"?  I believe I've received recall
messages in non-Outlook (UNIX) mailboxes.  But admin might
have defined the UNIX system as being in Outlook's domain.

There's good reason to ignore recall and delivery-receipt
headers that come from outside the domain to thwart recall
messages with forged return addresses and to forestall
delivery-receipt bombing.

But "recall" messages are sent outside what may be reasonably
be considered a "domain".  See, e.g.:

   Linkname: 167730
        URL: 
http://bama.ua.edu/cgi-bin/wa?A2=ind0612&L=ibm-main&P=R48930&D=1&I=1

-- gil
-- 
StorageTek
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