1. GoDaddy Professional Email is a domain-based email service for businesses.

  2. MailPlus is a Dutch-based email marketing solution provider.

  3. On demand Email Marketing software

  4. Yesmail provides email marketing solutions that integrate mobile, web, and social channels for marketers.

  5. Pobox provides email forwarding, filtering, and mailboxes.

  6. Clearnet is an email service provider where the user can set up an email account and begin sending and receiving emails.

  7. MassMailer lets users send mass emails from within Salesforce.

  8. eWayDirect is an Email service provider for brands looking for enterprise functionality.

  9. ClickMail provides enterprise level email marketing software tools, providing email deliverability and authentication.

  10.  SMTPProvider offers SMTP server with a mailing software for mass promotional & transactional emailing.

  11. VoloMP is an email marketing platform for high-volume emailers. Ideal for affiliate marketers mailing to 500K+ a day.

  12. Cordial is an adaptive messaging platform empowering marketers to easily create, scale, and optimize personalized experiences.