MailerLight or Mailer Light are misspellings for the email marketing software MailerLite. MailerLite is an easy-to-use and affordable email marketing tool. It has a great free plan and offers a landing page editor, website builder, forms, pop-ups, A/B testing, and more. When people hear about Mailerlite on a call or in real life and haven’t seen it written down, they often search for these misspelled words MailerLight or Mailer Light. The right spelling is MailerLite.