This really simple Add-on checks if the domain-part of an email is "valid", eg. if the domain can be found via DNS - if not the email address is rejected as invalid. Validation is done via the bundled version of

Converts hot linked images to attachments by selected domain. The Convert image by domain add-on will convert hot linked images in messages to attachments. Hot linked images are those images that have been inserted using the Image icon in the editor toolbar. (Example of IMG tag) (Example of...

This plugin adds payments from the payment system to your forum. The plugin is configured via the Alert URL: Successful Payment URL: After a successful payment, the buyer will be redirected to the URL that you specify. Failed Payment URL: After a canceled or unsuccessful payment, the buyer...