Synology MailPlus

MailPlus allows your business to set up a secure, reliable, and private mail server while giving your employees a web-based client for managing emails and boosting productivity.

Intuitive & Powerful MailPlus

MailPlus is an intuitive and powerful webmail client for organizing emails, checking company address books, and sharing mailboxes with work partners.

  • Smart Filters

    Smart Filters

    Automatically sort and label incoming emails by custom rules.

  • Priority Mailbox

    Priority Mailbox

    Shows emails from specific mailboxes or labels in one view for centralized management.

  • Single Message View

    Single Message View

    Organize emails depending on your preference – turn off the conversation view and split emails into separate messages with icons indicating whether you have replied to them.

  • Shared Mailbox

    Shared Mailbox

    Share mailboxes with work partners to track projects together.

Integration with Collaboration Packages

MailPlus is seamlessly integrated with Synology Chat and Synology Calendar, making itself a hub of task communications and scheduling. With the Chat and Calendar plug-ins, you can dive into project discussions and add emails to your to-do list right from MailPlus.

  • Manage to-dos with Calendar task plug-in

    Schedule your work life with this versatile plug-in. You can view all your to-dos and add more directly from emails to Calendar, right in MailPlus.
  • Add events from emails to Calendar

    Click on a date/time in your emails to create a new Calendar event.
  • Communicate through Chat plug-in

    Start work conversations instantly while checking emails.
  • Manage to-dos with Calendar task plug-in
  • Add events from emails to Calendar
  • Communicate through Chat plug-in
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Reliable & Intuitive MailPlus Server

MailPlus Server transforms your Synology NAS into a reliable and intuitive mail server, making server management fast, intuitive, and hassle-free.

Easy Setup

Build a mail system quickly on your Synology NAS without extra costs and further IT consultation.

Mail Migration & Configuration Import

Migrate emails from Google Workspace/Exchange to MailPlus without password collection, and reuse system configurations from Exchange for quick system replacement.

Mail Search

Authorized personnel can make search queries over all email accounts, preview the email content and decide whether to export or delete certain emails.

Group/User Policies

Customize user and group policies on their login methods, daily email traffic, and mail delivery.

High-availability Design

Maximize mail service uptime during system upgrades and hardware replacements by switching the mail system to the paired server in seconds.

Internationalized Email Address

Customize domain names in local languages while still being able to exchange emails smoothly with all other mail servers, meeting the global standard for email address internationalization (EAI).  

Robust security mechanisms

MailPlus Server comes with full-fledged security features to defend against malicious attacks.

Threat Monitor

Provides threat statistics of inbound and outbound mail, along with clear graphs for quick overview.

Anti-spam & Spam reporting

Detect spam with high accuracy comparable to popular security gateways, and learn from reported spam for better spam detection.

Anti-malware & Post-Audit

Provide strong anti-malware protection with Google Safe Browsing and industry-standard antivirus engines, and quarantine suspicious mails for post-auditing.

Advanced SMTP Security

Regulate SMTP client connections to defend against overload attacks, and limit outbound emails to keep users from being spam suspects.

Seamlessly integrated with Synology Contacts

Use Synology Contacts to centralize contacts management; easily create, organize, and share address books with team members.

Download and experience now

The MailPlus app is your mobile mail platform to manage mail on the go. It is now available for Android™ and iOS.