Thanks for joining us in the Community. We can certainly understand why it would be helpful to test emails from your mac.com email. This is something our engineers are currently looking into. Your account has been set to be notified with updates. In the meantime, you are welcome to use an additional email address other than Mac/ICloud/Me.
Also, we did see your other post on open rates and have responded. For reference, our reply is here.
Brian_H Community & Social Media Support
If you find my post helpful, and it answers your question, please mark it as an "Accepted Solution" by clicking the Accept as Solution button in the bottom right hand corner of this post.
Increase your profitability by integrating your email marketing and social media. Download this guide and learn how you can achieve great results with email marketing and social media combined!