The User Registration Invite Codes add-on restricts registration on your site to users who have invite codes only. You can create a single or multiple invitation codes, set an expiry date, and set a usage limit per invitation code, among other things. You can also generate a large number of random invitation codes. This is very useful if you need to create multiple codes.

Post SMTP Pro
Increase your email delivery rate and avoid the spam folder with Post SMTP, the WordPress plugin that securely connects your site’s emails through the SMTP server of your choice.






