Site in read-only mode
This site is now read-only following the release of MyBB 1.8 and the new mods site.
If you are looking for MyBB 1.8 mods please click here to visit the new mods site.
You can continue to download submissions for MyBB 1.6 and earlier here, however new submissions will only be accepted via the new mods site.
Disable Duplicate Registrations
Prevent users from registering two accounts with the same email address.
This modification limits the maximum number of forum accounts per email address to one.This is a single file download and generally takes no longer than a minute to install.