Is it actionable
Does it elicit a sense of immediacy
Is it relevant to what's inside
Is it as brief as it can be
Is it unique
Is it personalized
Does it use your brand voice
Is your offer clear
Does it have a single, straightforward message
Is it concise, concrete, and specific
Is it relevant to the audience
Is it reflective of the subject line
Is it mobile-friendly
Does it stick to the brand
Is it simple and creative
Does it catch the eye with relevant GIFs or images
Is there there a pre-header that bridges the subject and body copy
WCAG 2.1 Compliant?
Gmail Annotations needed?
Minimized use of tables
CSS for optional styling only
Is there a clear CTA
Does it summarize the topic
Is it personalized
As SPAM Keyword pr
Sources:
https://www.oracle.com/a/ocom/resources/omc-the-markets-email-checklist.pdf