Check out the PanelFi demo — sign in to both panels, nothing to install
Email

Full email hosting, built in

Create mailboxes at every domain, with webmail, forwarders, autoresponders, spam filtering and the deliverability tools that keep mail out of the junk folder.

panel.yoursite.com:2083
PanelFi Email accounts page listing mailboxes with mail app settings

Email accounts — mailboxes with quotas, plus ready-made mail-app settings

What you get

Run it yourself — free to start

PanelFi Free hosts up to 3 accounts on your server, with no card and no license key.