Mailu
Mailu is a simple yet full-featured mail server as a set of Docker images. It is free software (both as in free beer and as in free speech), open to suggestions and external contributions.
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mail.com
mail.com provides its users with an customized selection of unique domains to pair with their desired address at no cost. Users can choose a domain that fits their lifestyle, profession, location, or personality, and through this personalization, their email address will become...
Poste.io
Full featured solution for your Email server. Native implementation of last anti-SPAM metods, webmail and easy administration included.
SwisMail
Secure Free EMail Service Hosted in Switzerland.