I'm using Community Builder in my site, the user put his data in registration page, receive a confirmation link by email and is confirmed as a user. I'm having problems due to a lot of registrations at the same time, so I had my site blocked for mass mail. I want to know if there is a way to limit the email sent per hour, my server has a limit of 100 emails per hour. I know there is newsletter components, but they can't be used for the confirmation email, thats what I want to limit.
I made a search and found the function sleep of the php can be used, but I don't know where to put that. Anyone has any ideas?