To add to Sam's comment, if you're using Rails, try: https://github.com/fphilipe/premailer-rails3 https://github.com/fphilipe/premailer-rails3 There are a few

To add to Sam's comment, if you're using Rails, try: https://github.com/fphilipe/premailer-rails3 https://github.com/fphilipe/premailer-rails3 There are a few gotcha's with the gem but overall it works pretty smoothly!