Suggest an alternative to

devmail

An SMTP/POP3-server that keeps every email you send it until you fetch it

Why do you think that https://github.com/ray-delossantos/smtp.cr is a good alternative to devmail

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 devmail. Optional.

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