Progressive Robot's fork of hMailServer, not the original by Martin Knafve, which is developed separately and has releases of its own. The fork's home is https://gitlab.com/hmailserver/hmailserver.
hMailServer is a mail server: SMTP in and out, IMAP and POP3, with spam and virus checks, DKIM, SPF, DMARC and ARC, and its administration over a REST API and the Control Deck page that API serves. It keeps its accounts and settings in a PostgreSQL or MariaDB/MySQL database of yours, reached over the network, and its messages under /var/snap/hmailserver/common.
After installing, point it at its database and start it:
sudo snap set hmailserver db.type=postgresql db.host=192.0.2.10 \
db.name=hmailserver db.user=hmailserver
printf '%s\n' 'the database password' | sudo hmailserver.set-database-password
sudo snap start --enable hmailserver.daemon
The documentation: https://gitlab.com/hmailserver/hmailserver/-/blob/master/hmailserver/docs/Snap.md
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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.
If you’re running Kubuntu 16.04 LTS (Xenial Xerus) or later, including Kubuntu 18.04 LTS (Bionic Beaver) and Kubuntu 18.10 (Cosmic Cuttlefish), you don’t need to do anything. Snap is already installed and ready to go.
Versions of Kubuntu between 14.04 LTS (Trusty Tahr) and 15.10 (Wily Werewolf) don’t include snap by default, but snap can be installed from the command line as follows:
sudo apt update
sudo apt install snapd
To install hMailServer (Progressive Robot's fork), simply use the following command:
sudo snap install hmailserver
Browse and find snaps from the convenience of your desktop using the snap store snap.
Interested to find out more about snaps? Want to publish your own application? Visit snapcraft.io now.