Suggest an alternative to

wildduck

Opinionated email server

Why do you think that https://bitbucket.org/zhb/iredmail/commits is a good alternative to wildduck

A URL to the alternative repo (e.g. GitHub, GitLab)

Here you can share your experience with the project you are suggesting or its comparison with wildduck. Optional.

A valid email to send you a verification link when necessary or log in.