How to send HTML bulk email. MaxBulk Mailer supports several message formats. One of them is the HTML format. It is one of my favorites, along with Styled Text because of its advanced features. Indeed, anyone willing to learn can use HTML to create beautiful and eye-catching emails. With MaxBulk Mailer, when you need to deliver a message to your contacts you have the choice between several formats. You can send your email in Plain Text, Styled Text, HTML, or the Markdown format. Depending on the message type, a format can be better than another. Plain Text format is simple …