Revert "Roll back 4ed136a"

This reverts commit 3c6078fd7b73b4b0e1c83c387816807333cc4290.
Get tests passing with a unicode character in email

- Fix the character that was being used
- add u string prefix
- soft-code the email in a few places
- utf-8 encode the email for message lookup. I don't know why this is necessary, but it _is_