Dear Customer,
Thank you for purchasing DKIM for Exchange and IIS Server. We are pleased in being able to provide you with our quality products and look forward to our relationship growing and flourishing. It is our sincere hope that you are completely satisfied with DKIM plugin which was provided to you and avail yourself of our expertise again in the future.

How to use your license code

To license DKIM plugin and remove the limitation of trial version:

• Please open "DKIM Plugin Manager" from "Windows Start menu" -> "All Programs" -> "EA DKIM for IIS SMTP and Exchange Server";
• Click menu "License Code", input your license code in "License Code" and click "Activate Product";
• If you received an "Access Denied" error message, please close DKIM manager and re-open DKIM manager by right clicking DKIM manager -> "Run as administrator", then input your license code again.

Online document and tutorials:

https://www.emailarchitect.net/domainkeys/