Important Note: Don’t miss out on the formatting tips and extra plugins at the end of this guide..! 😉 What is an SMTP Server? SMTP stands for Simple Mail Transfer Protocol. An SMTP Server basically is a transactional service that sends emails for you. You connect to the service (with authentication credentials) and give it the email data and it send it for you. (End noob rant.) Why should you use an SMTP Email Plugin for WordPress? Even if you are using an external newsletter service, at some stage WordPress – or a WordPress plugin – will want to send an