Opt in email marketing is no different than normal direct marketing in that small simple changes will increase your response and success. These tips will help with both plain text and html email:

1. Personalize- "A persons name is still the sweetest sound" Having first name in both the subject of the email, and the body of the message will help your email get read and not just deleted or being mistaken for junk mail.

2. Free- Offer something free: It