Release Notes for Synology Mail Server

Important Note

1. The update is expected to be available in all regions within the next few days. The actual time of release may vary slightly depending on the region.

Fixed issues

1. Fixed the issue where labels disappeared when users moved emails in Mozilla Thunderbird or Microsoft Outlook.
2. Fixed the issue where users couldn't open the SMTP page when the total length of all additional domain names exceeded 4095 bits.
3. Minor bug fixes.

Important Note

1. The issues of Mail Server 1.7.0-0611 have been fixed.
2. The update is expected to be available in all regions within the next few days. The actual time of release may vary slightly depending on the region.

What's New

1. Updated SpamAssassin to 3.4.3.

Bug fixed

1. Fixed a security vulnerability regarding OpenDMARC (CVE-2019-16378).
2. Fixed a security vulnerability regarding Dovecot (CVE-2019-11500).
3. Fixed a security vulnerability regarding SpamAssassin (CVE-2020-1930, CVE-2020-1931).
4. Minor bug fixes.

Important Note

1. This update has been recalled on 2020/04/17 owing to the probability of operation failures arising on certain models.

Fixed Issues

1. Fixed a security vulnerability regarding Dovecot. (CVE-2019-11500)

1. Fixed a security vulnerability regarding Dovecot (CVE-2019-7524).
2. Minor bug fixes.

1. Fixed an issue where DKIM verification might fail on normal mails.
2. Minor bug fixes.

1. Thai user interface is now available.
2. Minor bug fixes.

1. Fixed multiple security vulnerabilities regarding ClamAV (CVE-2017-12374, CVE-2017-12375, CVE-2017-12377, CVE-2017-12378, CVE-2017-12379, CVE-2017-12380).
2. Fixed an issue where Mail Server upgrade might fail on DSM 6.2 Beta 1.
3. Enhanced system stability.

1. Fixed several vulnerabilities of ClamAV (CVE-2012-6706, CVE-2015-2170, CVE-2015-2221, CVE-2015-2222, CVE-2015-2668, CVE-2016-1371, CVE-2016-1372, CVE-2016-1405).
2. Updated default DNSBL list to reduce false alarms.
3. Improved spam detection rate.
4. Enhanced system stability.
5. Minor bug fixes.

1. Fixed an issue where sending/receiving emails via SSL might not work on DS413 and DS213+ models.

1. Supports integration with Synology Active Directory Server as an account source.
2. Fixed an issue where memory leak might happen.
3. Minor bug fixes.

1. Supports auto updates via Package Center.
2. Fixed an issue where the added certificate might be reset to the default certificate after Mail Server upgraded.
3. Minor bug fixes.

1. Enhanced the functionality of DKIM.
2. Improved the Daily Quota mechanism.
3. Fixed an issue where users might receive the notifications from themselves after enabling auto-reply.
4. Minor bug fixes.

1. Minor bug fixes

1. Upgraded dovecot to 2.2.19.
2. Minor bug fixes.

1. Fixed an issue where mail reception/delivery might fail when SpamAssassin, Antivirus, and Content Scan were all enabled.
2. Fixed an issue where mail delivery to addresses with upper-case letters might fail.
3. Fixed an issue where mail delivery might fail when DMARC was enabled.

1. Upgraded Postfix to version 3.0.