BuddyPress.org

BuddyPress isn’t sending out emails (eg. activation emails, email notifications)

This appears to be a problem with certain web hosts (Bluehost primarily).

Members of the BP community have had success using the “Mail From” plugin:

https://wordpress.org/extend/plugins/mail-from/

Try this and reply in the following forum thread if it doesn’t work:

https://buddypress.org/forums/topic/email-notification-not-working