In <20040211212527(_dot_)GD6151(_at_)dumbo(_dot_)pobox(_dot_)com> Meng Weng
Wong <mengwong(_at_)dumbo(_dot_)pobox(_dot_)com> writes:
I think we can assume the majority of MTAs will be case sensitive in the
localpart.
Did you really mean case sensitive and not case insensitive? I
suspect that most MTAs don't care about the case of the local part and
I know of at least one (my ex-wife's) that uppercases all email
addresses.
(wayne(_at_)footbone) $ telnet dumbo.pobox.com 25
Trying 208.210.125.24...
Connected to dumbo.pobox.com.
Escape character is '^]'.
220 dumbo.pobox.com ESMTP Postfix
HELO midwestcs.com
250 dumbo.pobox.com
MAIL FROM:<>
250 Ok
RCPT TO:<MeNGWonG(_at_)dumbo(_dot_)pobox(_dot_)com>
250 Ok
QUIT
(wayne(_at_)footbone) $
-wayne