An example built with Bucket & Code Server IDE. Mail server built from source: Postfix, Dovecot with Sieve, Rspamd with Valkey, ClamAV, fail2ban, DKIM/SPF/DMARC/ARC, greylisting, MTA-STS and DANE; Roundcube webmail with CalDAV/CardDAV and Z-Push ActiveSync; a web office (CryptPad: documents, sheets, presentations) with registration closed until the admin opens it; an admin panel in nine languages for domains, mailboxes, aliases, DKIM keys, DNS records, the queue, logs and backups.
Install
Add the QNAP Utilities repository to App Center once, then install it from there: how to add the repository.Screenshots
What you can do
- Manage domains, mailboxes and aliases in an admin panel
- Read mail in Roundcube, or in any IMAP or Exchange ActiveSync app
- Sync calendars and contacts over CalDAV and CardDAV
- Filter spam with Rspamd and greylisting
- Edit documents in CryptPad, the web office
