MailChimp - MailChimp is the best way to design, send, and share email newsletters.
Mailu - Mailu is a simple yet full-featured mail server as a set of Docker images.
Brevo - Innovative online Email Marketing solution to manage your contacts, create & send your newsletters and track your results. More than 80 000 clients. Best prices and attractive features.
Microsoft Outlook - Organize your world. Outlook’s email and calendar tools help you communicate, stay on top of what matters, and get things done.
Campaign Monitor - Email marketing software built for designers and their clients to run successful email campaigns.
MailEnable - MailEnable is a Windows based mail server and email server program that is packed with the state of the features and functions like antivirus and spam filtering system, webmail management system, cardDAV, CalDAV and much more.