This plugin will block mass mailing for the buddypress messaging system
As of April 2026, Buddypress Messages Spam Blocker is a WordPress spam plugin with 50 active installations and a 5/5 rating from 4 reviews. It has been downloaded 8.6K+ times in total. Requires WordPress 3.0+ and PHP false+. Available on WordPress.org since 2014. Last updated 9 years ago — may have compatibility concerns. Top alternative: Akismet Anti-spam: Spam Protection.
If there is a user (or a bot) that signed up at your site this user can start to send messages to every other user.
I had some negative experiences with this and so I wrote a module that should help to block such a spam.
Buddypress Messages Spam Blocker introduces some restrictions to your users:
Their are also some more restrictions for mass mailings (mails that are sent to “friends” of the contact list are not included in this calculation):
| WordPress | 3.0+ requiredTested up to 4.5.33 |
| PHP | false+ required |
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