eMail delivery failure

Trying to get in contact with someone and had two emails get rejected.

Delivery to the following recipient failed permanently:
garagesale@iwascoding.com & consulting@iwascoding.com

Did the rejection e-mail give a reason with your mails were rejected?

Delivery to the following recipient failed permanently:

 consulting@iwascoding.com

Technical details of permanent failure:
Google tried to deliver your message, but it was rejected by the server for the recipient domain iwascoding.com by mail.iwascoding.com. [2a01:4f8:171:140e::2].