Email Server
From Realm Business Systems Ltd
A private open source email server provides unlimited configuration, customisation, and users, with no additional cost per user, and mailbox size up to the available storage.
- DKIM Signed Email
- DMARC Policy
- SPF Policy
- DNSBL Blocklists
- RHSBL Blocklists
- URIBL Blocklists
- Whitelist / Blacklist
- Greylisting
- Spam and Virus Filtering
- GeoIP Filtering
- Multi-Domain
- Server Sieve Email Filtering
- Blind Carbon Copy
- SSL Encrypted IMAP + SMTP + POP3
- TLS Transport to Remote SMTP Hosts
- SSL Webmail with DAV Integration of Calendars, Contacts, Tasks
- Open Source Letsencrypt SSL Domain Verification Certificates, or Commercial SSL Certificates.
Koozali SME Server is free and open source – there are no limitations and you can inspect, integrate, extend and modify however you want.