There are a few pieces that you need to manage your own mail server.
This snap makes the process easy, it will setup most things that
you expect from a mail server. Because the process is automated and
easy expect the installation to be somewhat unflexible.
Snaps are applications packaged with all their dependencies to run on all popular Linux distributions from a single build. They update automatically and roll back gracefully.
Snaps are discoverable and installable from the Snap Store, an app store with an audience of millions.
Snap is available for Linux Mint 18.2 (Sonya), Linux Mint 18.3 (Sylvia), and the latest releases, Linux Mint 19 (Tara) and Linux Mint 19.1 (Tessa).
You can find out which version of Linux Mint you’re running by opening System info from the Preferences menu. To install snap from the Software Manager application, search for snapd and click Install.
Alternatively, snapd can be installed from the command line:
Either restart your machine, or log out and in again, to complete the installation.
To install Parcel, simply use the following command: