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Compendium 365 Mail

Business-class email on infrastructure you can host yourself: inbox, compose, forms, and secure send.

Get Compendium 365 MailOpen the app
$8/mo · $80/yr · per mailbox

What it does

Your own email + calendar — an Outlook alternative.
Full webmail (Outlook-style)
Your domain, your data
Secure send
Forms & signatures built in
Desktop + PWA
Or get the whole suite