Short of using digital signatures there's really not much you can do.
On Friday, October 18, 2002, at 02:37 AM, Ruud H.G. van Tol wrote:
Robert Nicholson skribis:
I currently Bcc myself the outgoing message and I process that in my
filter by adding the recipient to the "known senders" list.
Nice trick (but you have to make sure that such a mail is really coming
from yours truly).
--
Affijn, Ruud
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