Beta program

Installing Synology MailPlus Server

Please read the following before installing this beta software

  1. For evaluation only - This beta software is for evaluation purposes only and should not be installed on critical equipment or in production environments. We strongly recommend reading the Release notes section before installing it. Synology cannot be held responsible for any damages, such as accidental data loss, caused by this beta software.

  2. Not downgradable - After installation of this beta application, you will not be able to downgrade to a previous official version of this software.

To install the beta software on your Synology NAS

  1. Log in to DSM using an account belonging to the administrators group.
  2. Open Package Center.
  3. Now you should be able to find and install packages that currently have a beta version available and compatible with your Synology NAS for public testing.
  4. Remember to click from Installed > Feedback to help us out and report any issues or suggestions.

Compatibility

Applied Models

  • FS-series: FS6400, FS3600, FS3410, FS3400, FS3017, FS2500, FS2017, FS1018
  • HD-series: HD6500
  • SA-series: SA6400, SA3610, SA3600, SA3410, SA3400D, SA3400, SA3200D
  • 24-series: DS224+
  • 23-series: RS2423RP+, RS2423+, DS1823xs+, DS923+, DS723+, DS423+
  • 22-series: RS822RP+, RS822+, DS3622xs+, DS2422+, DS1522+, DVA1622
  • 21-series: RS4021xs+, RS3621xs+, RS3621RPxs, RS2821RP+, RS2421RP+, RS2421+, RS1221RP+, RS1221+, DS1821+, DS1621xs+, DS1621+, DVA3221
  • 20-series: RS820RP+, RS820+, DS1520+, DS920+, DS720+, DS620slim, DS420+, DS220+
  • 19-series: RS1619xs+, RS1219+, DS2419+II, DS2419+, DS1819+, DS1019+, DVA3219
  • 18-series: RS3618xs, RS2818RP+, RS2418RP+, RS2418+, RS818RP+, RS818+, DS3018xs, DS1618+, DS918+, DS718+, DS418play, DS218+
  • 17-series: RS18017xs+, RS4017xs+, RS3617xs+, RS3617RPxs, RS3617xs, DS3617xsII, DS3617xs, DS1817+, DS1517+
  • 16-series: RS18016xs+, RS2416RP+, RS2416+, DS916+, DS716+II, DS716+, DS416play, DS216+II, DS216+

Release notes

Important Note

  1. This release is a Beta program.

Compatibility & Installation

  1. Synology MailPlus Server 3.3.0 requires DSM 7.2 or above.
  2. If you're currently using Bitdefender for MailPlus 1.0.2, update to 1.0.3 after installing MailPlus Server 3.3.0.

What's New

  1. Supports client access logs, providing details on IMAP/POP3 connections and changes made to emails and mailboxes.
  2. Enhanced auditing functionality and usability:
    • Improved detailed content in transaction logs.
    • Moved Usage Analysis to the Transaction Log tab.
    • Moved Report and Archived Log to the Log Management tab.
  3. Supports rotating transaction logs and client access logs by period or number.
  4. Supports using Microsoft 365 API for email migration. Microsoft 365 users are required to create a new migration task after updating to Synology MailPlus 3.3.0.
  5. Supports SNMP, enabling DSM to provide email-related information such as delivery results, security events, queue, IMAP/POP3/SMTP connections, and Postfix/Dovecot service status (SNMP MIB Guide).
  6. Added a description field to aliases.
  7. Enabled full-text search by default for Chinese, Japanese, and Korean.
  8. Supports displaying the reason and result in the logs when DKIM verification fails.

Fixed Issues

  1. Enhanced the spam filter's detection mechanism by prioritizing the allow list over the block list.
  2. Enhanced system performance.
  3. Fixed security vulnerabilities (CVE-2023-20197, CVE-2023-28711, CVE-2023-31486, CVE-2023-40225, CVE-2023-46852, CVE-2023-46853, CVE-2023-48554, and CVE-2023-51764).
  4. Prevents cross-site scripting (XSS) attacks via mailbox names when exporting emails to a PST file.
  5. Fixed an issue where settings preserved during package uninstallation might not update correctly when installing a new version.
  6. Added Spamhaus Blocklist (SBL) to DNSBL Self-Check.
  7. Minor bug fixes.