Synology MailPlus
Improve team efficiency with an on-premises email solution that ensures data ownership, security, and reliability.
Take full control of your data
Move your email from the public cloud to a powerful and secure on-premises solution, achieving data ownership and simplifying compliance with data protection regulations. Plus, free your organization of ever-increasing recurring fees.
Easy-to-manage mail server
Centralize your email administration to ease the burden on IT staff.
Multiple domain support
Host multiple email domains on a single server and configure each independently.
Group/user policies
Configure different login methods, daily email traffic quotas, email delivery, and other policies for users and groups.
Delegation
Assign administrative rights by function to distribute the administrative workload.
Mailbox quotas
Impose individual limits on user mailbox sizes and send out reminders.
Robust security
Protect your digital communications from external threats with first-class security features. Learn more
Threat monitoring
Support for S/MIME enables end-to-end encryption at the user level, ensuring that emails always remain private.
Malware and spam prevention
Identify viruses, spam, and other threats with built-in definitions or optional Bitdefender integration.
Advanced SMTP security
Support for DANE authentication helps prevent Man-in-the-middle (MITM) and downgrade attacks from intercepting critical emails.
Do more with integrations
Increase productivity by integrating Synology MailPlus with the other tools in Synology's productivity suite.
Synology Calendar
Click on dates displayed in emails to automatically create events in Synology Calendar. Learn more
Synology Contacts
Choose the right address from your Synology Contacts address books as you type in the recipient's field. Learn more
Synology Chat
Start chats with work partners directly from MailPlus with the Synology Chat plug-in. Learn more
Discover how organizations worldwide use MailPlus
Transparent pricing without recurring fees
Total cost of ownership for MailPlus is easy to calculate. Simply estimate your number of users and daily email volume. Check our sizing recommendations to decide which Synology NAS is right for you.
Only pay for active users
MailPlus Server, client, and companion apps are free, with licenses only needed for active users. Perpetual licenses are a one-off purchase and can be added in small increments whenever needed.
Lifetime upgrades and updates
Leverage new features and functionalities in MailPlus and its companion apps, as well as security updates, for as long as your hardware supports it, no matter when you purchased your licenses.
Unlimited license migration
Licenses can be transferred freely between specific end user accounts or mailboxes1 and always remain valid — even if you migrate to new Synology hardware. Learn more
Browse emails wherever you are
Make MailPlus your platform of choice for on-the-go emailing. Available for Android and iOS.
Looking to migrate from another platform?
Notes:
Licenses are activated and managed through a single Synology Account, and cannot be transferred to another account after activation.