Blackberry?? Satoshi being a Canadian cybersecurity expert working for RIM would make a lot of sense imo.
1. Those are just some ads, added by SourceForge. Nothing special. Free e-mail boxes just contained ads in the past, and it is normal. To remove them, you need to use some paid version.
2. Satoshi used Japanese version of Windows XP, it is very unlikely, that he was "a Canadian cybersecurity expert".
Ah, oh well. Reading through all of Satoshi’s messages makes me think they were Canadian or from the US and studied abroad for awhile.
Part of me thinks the English spelling was intentional misdirection. Satoshi sounds a lol like a Calofornian or west coast USA to me.