Take the pain out of email management with a highly customizable webmail client.
Set up mailboxes based on advanced filters and custom labels to keep abreast of what matters to you.
Single message view
Turn off conversation mode and split email threads into separate messages to work the way you are used to.
Invite work partners to share the same mailbox and make progress on projects together.
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.
Configure different login methods, daily email traffic quotas, email delivery, and other policies for users and groups.
Assign administrative rights by function to distribute the administrative workload.
Impose individual limits on user mailbox sizes and send out reminders.
Protect your digital communications from external threats with first-class security features. Learn more
Visualize the threats against your team's inbound and outbound emails in simple and clear charts.
Identify viruses or other malware with Google Safe Browsing and industry-standard antivirus engines.
Detect spam and learn more about email threats with the high-performance Rspamd engine.
Advanced SMTP security
Regulate SMTP requests to avoid overload attacks and limit outbound emails to prevent spam flagging.
Privacy and availability
Comply with data protection regulations and boost service availability to shield your business from costly interruptions.
Guarantee the right to be forgotten
Search across multiple email accounts and preview email content to identify and remove email marked for deletion more efficiently.
Increase productivity by integrating Synology MailPlus with the other tools in Synology's productivity suite.
Click on dates displayed in emails to automatically create events in Synology Calendar. Learn more
Choose the right address from your Synology Contacts address books as you type in the recipient's field. Learn more
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
Licenses are activated and managed through a single Synology Account, and cannot be transferred to another account after activation.