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Synology MailPlus Improve team efficiency with an on-premises email solution that ensures data ownership, security, and reliability. Request a demo Try free Synology MailPlus

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Communicate in a secure private cloudWork smarter with AIHelp you summarize, compose, draft a reply, proofread emails, and more.Seamless integrationSchedule meetings, manage contacts, and send instant messages, all in one place.Secure and reliableProtect mail systems with antivirus, antispam, and authentication protection.IT-friendly managementMonitor mail server status and troubleshoot efficiently with detailed audit logs.
Handle emails faster with AI-powered tools Catch up in an instant Quickly summarize key points of lengthy email threads and get next step suggestions. Compose and reply more efficiently Let AI draft, refine, proofread, translate, or smart reply to your emails with just one click. Generate context-aware emails Reference emails or templates by typing “@” to ensure the AI reply is relevant and context-aware.
Discover AI in Synology Office Suite An email system that works for your teamProvide a fully configurable email experience for maximum productivity. Focus on what mattersKeep your inbox clean with custom labels, advanced filters, and priority mailboxes that help users cut through the noise and focus on important communications.Bring teams togetherGather all project-related emails in one place with shared mailboxes so your team can stay on top of essential messages.Save time and effortMake routine email tasks easier with templates for specific modules or messages, and select custom email signatures for different occasions.Compose like a proPowerful and comprehensive tools help you compose emails more efficiently. Enhance email communicationDesign emails that stand out thanks to user-friendly text editing, image insertion, table creation tools, and shared links for large file attachments.Personalize your messageMaximize engagement with the mail merge feature, which lets you personalize emails with names, job titles, and other customer data.Delivery and read receiptsWith Mail Track, check the delivery and read status of important emails for more precise follow-ups and timeline management with your team. Compatible with Outlook and Gmail.
Robust securityProtect your digital communications from external threats with first-class security features.Learn moreS/MIME encryptionSupport for S/MIME enables end-to-end encryption at the user level, ensuring that emails always remain private.Malware and spam preventionIdentify viruses, spam, and other threats with built-in definitions or optional Bitdefender integration.Send with confidenceSupport for DANE authentication helps prevent Man-in-the-middle (MITM) and downgrade attacks from intercepting critical emails.
Your emails and calendar on the goFast access to important emailsPriority mailboxes and labels are displayed at the top for quick access to important messages.Toggle between mail & calendar in one tapSwitch between agenda or day view and keep your calendar clutter-free by swiping to hide or delete events, so you can focus on essentials.Daily summary notificationsSet up daily reminders summarizing your upcoming calendar events.Do more with integrationsIncrease productivity by integrating Synology MailPlus with the other tools in Synology's productivity suite. Synology CalendarClick on dates displayed in emails to automatically create events in Synology Calendar.Learn moreSynology ContactsChoose the right address from your Synology Contacts address books as you type in the recipient's field.Learn moreSynology ChatStart chats with work partners directly from MailPlus with the Synology Chat plug-in.Learn moreEasy-to-manage mail serverCentralize mail server administration and streamline your operations using comprehensive management tools.Learn moreMultiple domain supportHost multiple email domains on a single server and configure each independently.Granular user permissionsConfigure different admin rights, login methods, daily email traffic quotas, email delivery, and other user policies.Efficient troubleshootingLeverage advanced transaction log search features to access detailed mail information and troubleshooting steps, maximizing administrative efficiency.High Availability for MailPlusEnsure uninterrupted high-availability protection for mail services with Synology MailPlus High Availability. Set up a 100% on-premise cluster system with just two servers to maintain critical workloads. Overview Discover how organizations worldwide use MailPlus"With Synology MailPlus, our IT team can implement a flexible and secure email solution without the hassle of building a mail server from the ground up."Learn moreThe German Red Cross Relies on 100% Private Email Management with Synology MailPlus.Learn more"The simplicity of working with Synology MailPlus has let us focus our efforts on providing superior services to members without being bogged down by technicalities."Learn moreGet startedWe're here to assist you with any questions or information you may require.Private cloud AI integrationThe AI-powered tools you need to work smarter, securely hosted in the private cloud.Learn moreSynology MailPlus Web APISeamlessly integrate with business systems, elevate email handling, streamline workflows, and enhance communication efficiency.Learn moreLicensing planScale up your mail deployment by adding licenses according to your needs.Learn moreEnterprise deploymentAsk our experts about MailPlus deployment recommendations and advice.MailPlus demoTry out Synology MailPlus in the DiskStation Manager online demo.Try free FAQ How do I install Synology MailPlus? You can simply install Synology MailPlus with Package Center, which offers a range of web applications to enhance the functionality of your Synology NAS. What platforms does Synology MailPlus support? Synology MailPlus is available through the web portal and on the dedicated app for mobile devices and tablets (iOS and Android™). Does Synology MailPlus require licensing fees? Synology MailPlus comes with 5 free email licenses included with your Synology NAS. You can purchase more MailPlus License Packs through our authorized resellers or directly in MailPlus Server on your Synology NAS. Learn more What is the number of maximum concurrent users & maximum users for Synology MailPlus? Each model offers varying levels of support. Please refer to the applied models or visit the product page of your NAS and navigate to the Specifications section, then click on Software Specifications to view detailed information. How do I set up Synology MailPlus? With the MailPlus suite, you can build a mail system using Synology NAS. This article will help you get started with MailPlus Server and MailPlus. Learn more How do I use Bitdfender for MailPlus? Enable Bitdefender for MailPlus in DSM, click "Add License" and log in to your Synology account. Select the desired number of licenses and follow the wizard's instructions. After purchasing, go to MailPlus Server's security settings and switch the anti-spam or antivirus engine to Bitdefender. Learn more How to activate Synology AI features? To activate Synology AI features, users can integrate their own API key from OpenAI, Azure OpenAI, Amazon Bedrock, Google Gemini, or Baidu AI Cloud in the Synology AI Console, then enable AI features by package via permission control.Migrate to Synology MailPlus todayFrom Microsoft ExchangeLearn moreFrom Google WorkspaceLearn moreNotes:Due to the high computational demands of AI, only x86-64 systems are supported. Additionally, de-identification requires significant memory, with at least 8GB of RAM needed to activate the feature, driven by the language model's processing needs. Find the supported model list. Synology does not charge for sending AI requests; these charges are determined by the AI providers. For billing inquiries, please contact your AI provider directly. To optimize AI-generated outputs across Synology packages, the input token count includes user inputs, system prompts, and, when applicable, context from prior requests. Learn more about AI usage costs.AI-generated content may contain inaccuracies and could be subject to copyright. Please review carefully before use.The accuracy of generated results may be affected by the extent of de-identification applied.We adhere to strict data privacy and transparency standards, ensuring that all data handling aligns with ethical and regulatory requirements. See Synology AI Security & Privacy Practices to learn how AI is implemented in our NAS devices and the security measures we take to protect user data. Learn more.