Downloaded all the files I could from canadianmysteries.org to my Mac, about 1.5 gigs in all. I could not download a directory full of temporary files used by the database, but I did download an sql file of the structure and data of the cms database. Also didn't download a handful of symbolic link files. Then zipped everything up into canmysorg_backup_100518.zip file and put that into root of their account and onto rutabaga.
Have yet to download and archive the files in the mysteryquests.ca account on the commercial provider.