Secure Your Business Mail Services Construct a business-grade mail server with Synology MailPlus and stay connected with all your important emails anytime, anywhere. Reliable self-hosted mail service with greater value for money No hidden costs

One-time cost: You just need one quote to have all the required hardware and software in hand.

Grow with your business: Start small and upgrade the server without hassle when needed.

 Secure your business

OpenPGP encrypted: The support of streamlined email encryption standard provides end-to-end encrypted communication for all major platforms, such as Gmail, Thunderbird, and Outlook.

Content Scan: Enable Content Scan and MCP (Message Content Protection) to take pre-defined actions on dangerous or sensitive email content.

 Highly available

Create a high-availability (HA) cluster for MailPlus Server to have the secondary server assume all workloads when one is under an unexpected event or hardware replacement.
Getting started is easy Set up a mail service for your business within a few clicks.
  • Your own domain, one or multiple - Set up your custom domain and manage multiple email domains in one centralized email server.
  • Seamless migration from Microsoft Exchange/Google Workspace with the instructional wizard. You can even migrate emails from Gmail account without collecting employees’ credentials.
  • Compatible with nearly all mail clients using SMTP/IMAP/POP3 protocols, minimizing the barriers of transferring from previous mail service to MailPlus.
  • Windows AD/LDAP support to fit perfectly into the original IT environment. If you don’t have one, simply install Synology Directory Server.
Facilitating maintenance Mitigate maintenance efforts by delegating administration and policy configurations.
  • Management delegation for associate administrators to help manage MailPlus Server and further reduce IT manager’s workload.
  • Unlimited aliases and group lists to improve the overall communication efficiency without purchasing extra licenses.
  • Customize user and group policies on their login methods, daily email traffic, and mail delivery, and configure global rules to filter unwanted emails and allow through important ones.
Keep your business GDPR-compliant Effectively manage data retention and erasure to meet GDPR requirements. Mail Search Data protection officers can be authorized to search and preview email content, and further decide whether to export or delete the requested emails. Administration Log All search queries will be well-logged with detailed information, including username and login IP to prevent any possible abuse of Mail Search.
Internet threats have nowhere to hide Defend against malicious attacks with full-fledged security features.
  • Protect the mail service against malware with Google Safe Browsing and industry-standard antivirus engines.
  • Detect spam with the high-performance engine Rspamd, and learn from user-reported spam for more precise detection.
  • Visualize threat statistics of inbound and outbound emails with clear diagrams.
Minimize barriers for your employees No need to change users’ original habits with a boost in email management efficiency. Cross-platform email access Access emails with webmail from browsers or mail clients such as Outlook, Thunderbird, or Apple Mail, or with MailPlus on iOS and Android on the go. Categorize your emails with ease Use labels or mailbox folders to categorize your emails and create filters to auto-categorize them in your own way. Stay focused on what’s important Customize the priority mailbox to focus on important messages, or share your mailbox with your team to track progress on projects or tasks.
More than just a mail server Install packages you need and turn the mail server into a communication platform.
  • Chat - The instant messaging service fully integrated with MailPlus allows you to chat before sending an email.
  • Calendar - Create an event directly from the email to Synology Calendar via the detected date/time format or the whole email.
  • To-do list - Add tasks to the Calendar to-do list when an assignment comes from emails.
  • File Station - Email file attachments directly from the same server or save inbound attachments to the server.
What’s more for your business mail service Get the most out of your mail server.
  • Achieve more value for money with Business File Server. Learn more
  • Back up your emails with Shared Folder Sync. Learn more
  • Download the administrator’s guide. Learn more
Customer stories See how these organizations achieved more with Synology. Synology RS3617RPxs with its Virtual Machine Manager offers an ideal solution for a business environment, providing scalability, high availability, data security as well as services such as File Server, Mail Server, Calendar, Contacts List, and Surveillance. Learn more Synology MailPlus is a web-based package supporting back-end AD integration, remote login maintenance, and simple backup configurations. Users can also restore accidentally deleted mails with ease. MailPlus just satisfies every email management need. Learn more Synology solutions offered the perfect blend of cost, support, and flexibility, while providing a variety of benefits, including snapshot technology, load balancing, data backup, and the business mail solution. Learn more Get started Contact Us Learn more Where to buy Learn more Compare all NAS models Learn more