erine.email is a strong shield for your emails against spam. Based on unlimited disposable email addresses, erine.email is completely free, open-source, and simple. Really.
Check on erine.email to use the service. After the subscription, you'll be the owner of an unlimited number of disposable mail addresses like firstname.lastname@example.org, that you can disable if compromised. The features of the service are listed below, in the @erine.email column.
A system that you can trust has nothing to hide. erine.email is open-source, and the source code is hosted here, on GitLab. Not only the code. The whole architecture too. That means you can install the solution on your server, and use it with your domain names. All of them with 1 server. The features of the solution are listed below, in the @whatever column.