Re: Not getting activation email
WordPress, not BuddyPress plugin, handles email activations. It could also be because of webhosting configuration. Deactivate BP and BP-dependent plugins, then double-check if activation emails are sent from your installation. Check for resolutions from
https://codex.buddypress.org/getting-started/faqs/specific-faqs/
WP.org forums https://wordpress.org/search/activation+emails+not+sent?forums=1.