This Forum Beta is ONLY for registered owners of D-Link products in the USA for which we have created boards at this time.
See http://forums.dlink.com/index.php?topic=11344.0 it may help
I am a TSI customer so I can't really assist with Bell but you may have better luck putting this up in Bell Forum @ dslreports.
Just a suggestion (I'm not a sympatico user) - try "robert" by itself (drop the @sympatico.ca) and see what happens.
smtphm.sympatico.ca SMTP server authentication requires SSL, which is not yet available in firmware v1.08. Thanks for the older server