[@colinabsolutely Member 16 years, 2 months ago]

Just to follow up, I found/installed the Cimy SMTP for bbpress plugin which both works around disabled phpmail and supports SSL, and it works!

Check the links in this post regarding Cimy SMTP for bbpress.

https://bbpress.org/forums/topic/user-registration-password-mails-not-sending#post-55702