Beta program

Installing Synology MailPlus

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 3.3.0 requires Universal Viewer 1.3.0 and DSM 7.2 or above.

What's New

  1. Supports mail track, allowing users to request delivery and read receipts.

Fixed Issues

  1. Fixed an issue where the "Re:" and "Fwd:" indicators disappeared from conversation threads when conversation mode was disabled.
  2. Fixed an issue where POP3 fetched emails showed incorrect receiving dates.
  3. Fixed an issue where the full-text search function didn't work when searching through all mailboxes.
  4. Improved the design of toast notifications.
  5. Fixed cross-site scripting (XSS) vulnerabilities in the following scenarios: viewing attachment lists, emails containing specific tags, and importing an attachment into a PGP key.
  6. Minor bug fixes.