"Mark & Juanita" wrote

Interesting. Does that mean that OE also filters out "", or did the
genii at Msoft hardcode that one out?

No, " " is required in the Subject header under certain circumstances.
(Note that the expression is precisely 4 characters, with the space)

See RFC 1036 Sec 2.1.4 and Sec 2.2.5 ... the latter will explain how/when
" " is used.

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Last update: 5/14/08
KarlC@ (the obvious)