Whether you're an expert or just starting, Mailchimp has an email template for you. Learn about different types of templates and how to pick one.| Mailchimp
We recommend that you always preview and test your email before sending to your subscribers.| Mailchimp
Your Mailchimp audience contains a lot of data about your contacts. You can use this data to create segments and send targeted campaigns.| Mailchimp
This is the W3C Feed Validation Service, a free service that checks the syntax | validator.w3.org