Our email delivery expert, Kevin Huxham, Director of Deliverability recently updated our Deliverability section. There you will find more information and precious resources on this delicate and complicated topic. In Deliverability FAQ, he reviews how Spam traps, Content filters, Blacklists and Feedback loops work and helps you to understand how to keep your email out of the Junk folder. In Whitelisting 101 he gives precise information on how to white-list an email address with major email providers, Webmail services and Spam filters. Feel free to link to this document from your own Website to help your customers deliver their email!