(A) CAN SPAM fields are required.
(B) You can customize the appearance of CAN SPAM content with HTML and CSS.
(C) Email templates cannot contain custom modules.
(D) Email testing is accessed through the editor.
This question is a part of the HubSpot CMS for Developers Certification Exam. You can find answers to all the questions asked in this exam in our HubSpot CMS for Developers Certification Exam Answers page.