MDaemon is a trusted, affordable mail server for small and mid-sized organisations — full email, calendars, mobile sync and built-in security, on a lightweight Windows server no specialist team required.
Email, groupware, mobile sync, instant messaging and a full security stack — in one package that installs in minutes.
SMTP/IMAP/POP with shared calendars, contacts, tasks and notes via CalDAV and CardDAV.
A modern browser client with light/dark themes, search and a clean conversation view.
Push mail, calendars and contacts to iOS and Android — no third-party connector required.
Use Microsoft Outlook with shared folders and free/busy — without running Exchange.
Outbreak Protection, content filtering and integrated AV stop threats before the inbox.
TLS, S/MIME and OpenPGP encryption plus built-in two-factor authentication on Webmail.
Flexible, searchable archiving of mail and instant messages — browse archives and meet compliance needs without a separate service.
Secure XMPP chat between staff with chat rooms, file sharing and inbox notifications — no extra app required.
Provision and manage Android, iOS and Windows phones and tablets by autodiscovery — all from a single console.
Layered defences keep mail flowing safely — without extra products or per-feature fees.
Block connections from countries you don't do business with to cut attack noise.
Heuristics, DNS blocklists, SPF, DKIM and DMARC enforcement on every message.
Run multiple nodes for resilience and to scale as your mailbox count grows.
Put multi-layer threat detection in front of MDaemon, Microsoft 365, Exchange or Google Workspace — stopping spam, viruses, phishing and data leaks before they reach the inbox.
Every message — inbound and outbound — is inspected by SecurityGateway before it reaches a user. Eight coordinated protection layers detect spam, viruses, phishing and data leaks, quarantining threats while legitimate mail flows straight through to your inbox.
MailStore keeps a tamper-proof copy of every email in one central archive — pulled from your servers, mailboxes, files and clients — searchable in seconds from Outlook, the web or mobile.
// 1:1 copies captured from every source into one central, searchable archive
Every message is preserved unaltered, ensuring availability of large volumes of mail over many years.
Meet retention and audit requirements without a separate service, and answer requests in minutes.
Move historical mail out of Exchange or Microsoft 365 to shrink mailboxes and cut storage cost.
Deploy MDaemon and SecurityGateway on the model that fits your organization — or your MSP business.
Deploy on your own infrastructure with complete control — physical servers, virtual machines or leased hardware.
The full power of MDaemon, delivered from the cloud by IT experts. No servers to manage, no infrastructure to maintain.
Flexible SaaS licensing to grow your service-provider business, with Tier 3 support from our engineers.
// Flexible licensing across every model — Single Server · Redundant / Backup · Air-Gapped · Multi-Tenant
Move every mailbox — messages, calendars and contacts — onto MDaemon with the built-in tools. No drawn-out cutover, no specialist consultants.
Complete mailbox migration straight from Microsoft Exchange — automated and in place.
Bring users across from Microsoft 365, Google Workspace and other platforms over ActiveSync.
Affordable, self-hosted and simple to run — compared to the mail platforms SMBs evaluate most.
| Capability | MDaemonWindows | MS ExchangeWindows / cloud | ZimbraLinux | Kerio ConnectWin / Linux |
|---|---|---|---|---|
| Affordable, SMB-friendly licensing | Partial | Partial | ||
| Installs & runs without specialists | Partial | |||
| Built-in AntiSpam + AntiVirus | Add-on | |||
| Outlook support without Exchange | n/a | |||
| Built-in two-factor authentication | Partial | Partial | Partial | |
| Self-hosted, you own the data | Cloud-pushed | |||
| Encryption (TLS · S/MIME · OpenPGP) | Partial |
// comparison based on publicly available vendor information; capabilities vary by edition and configuration.
Start free, then scale up — all editions share the same easy administration.
A no-cost edition for very small teams to run real business email.
The full mail & collaboration server with the complete security stack.
Add a dedicated email security gateway in front of any mail server.
Trusted by businesses in over 140 countries — with native-language clients and administration.
Start a free trial with full features, or talk to Network365 about deploying and supporting MDaemon in your environment.