gentlemanhog replied to the topic Customizing Buddypress Activation Emails (and still get activation key) in the forum How-to & Troubleshooting 2 years ago
I did this, after some digging into the $bp object after the registration form is posted. Not tested properly in the wild yet, so you might want to double check before using this. Done via WordPress 3.5.1 and BuddyPress 1.7.2.
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