[ ] Image-to-Text Ratio Problems
Too many images, too little text
Single large image emails
Image-based buttons without ALT text
Recommended ratio: 60% text, 40% images
[ ] Link Issues
Too many links (over 3-4 per 100 words)
Shortened URLs (bit.ly, tinyurl, etc.)
Mismatched link text and destinations
Links to suspicious domains
[ ] Attachment Red Flags
Including attachments in marketing emails
Executable file links (.exe, .zip)
PDFs in initial emails
[ ] Technical Content Issues
Poor HTML coding