Version 6.2 Revision History

6.2.14 16-Aug-2019
Valid Core License Keys: issued after 01-Oct-2016.

• Pronto: Pronto! HTML Version 6.2.14 is included.
• CALENDAR: implemented workaround for out of order event updates from Exchange servers.
• CALENDAR: implemented workaround for RDATE attribute processing in Exchange servers.
• Bug Fix: SNMP: the module could hang if several trap agents were used.
• Bug Fix: ACCOUNT: possible crash when last login IP was not set in account info.
• Bug Fix: CLUSTER: 6.2.13: intra-cluster data exchange could be broken under high load.
• Bug Fix: ACCOUNT: 6.2: wrong language might be used for two-factor authentication messages.
• Bug Fix: AIRSYNC: all-day events were scheduled one day shorter.

6.2.13 28-Jun-2019
Valid Core License Keys: issued after 01-Oct-2016.

• Pronto: Pronto! HTML Version 6.2.13 is included.
• MAPI: the MAPI Connector version 1.54.12.29 is included.
• SESSION: XIMSS session cookie protection has been improved.
• QUEUE: the presence of the 'From' address is mandatory now.
• HTTP: failed login attempts via HTTP-based protocols now count for temporary IP blacklisting.
• MAILBOX: additional validity checks added for the index file for Sliced format.
• Platform: Solaris: libumem is used for memory management.
• Bug fix: SMTP: the Require STARTTLS option might work incorrectly.
• Bug Fix: AIRSYNC: 6.2.0: lists of large items might be synchronized slowly.
• Bug Fix: DIALOG: in some call scenarios media proxy might be not properly initialized.
• Bug Fix: CALENDAR: event modification might result in a item with attendees but without organizer.
• Bug Fix: CALENDAR: 6.2.1: preprocessed calendar items were stored despite rule actions.
• Bug Fix: XIMSS: 6.2.2: possible crash with uninitialized calendar object.
• Bug Fix: CALENDAR: time zone data for Novosibirsk was one hour off.
• Bug Fix: PIPE: the Envelope-Notify: header did not work.

6.2.12 11-Feb-2019
Valid Core License Keys: issued after 01-Oct-2016.

• Pronto: Pronto! HTML Version 6.2.12 is included.
• CALENDAR: workaround for calendar items that lack UID property.
• Bug Fix: AIRSYNC: 6.2.0: updating calendar item might fail on attempt to clear MAPI attributes.
• Bug Fix: MEDIA: 6.2c2: media might be not connected properly in some call scenarios.
• Bug Fix: CHRONOS: 6.2c5: server might crash during shutdown.

6.2.11 15-Jan-2019
Valid Core License Keys: issued after 01-Oct-2016.

• Pronto: Pronto! HTML Version 6.2.11 is included.
• Bug Fix: CALENDAR: time-zone data parsing might fail.
• Bug Fix: CALENDAR: full-day recurring events with exceptions might be rendered incorrectly.
• Bug Fix: MEDIA: 6.2c1: ad-hoc media interception did not work for Media Channels.
• Bug Fix: SMTP: 6.2.6: outgoing SMTP channel might fail to fall back to clear text connections after TLS handshake failures in previous connection attempts.
• Bug Fix: INTERCEPT: reporting media packets with IPv6 source or destination might cause crashes and produced incorrect data.

6.2.10 30-Nov-2018
Valid Core License Keys: issued after 01-Oct-2016.

• Pronto: Pronto! HTML Version 6.2.10 is included.
• TLS: RFC7507 for TLS fallback prevention is supported now.
• Bug Fix: SMTP: 6.2.6: remote queue wake up procedure might fail to use TLS encryption.
• Bug Fix: SESSION: 6.2.1: completing two-factor authentication in background did not work.
• Bug Fix: XIMSS: 6.2.7: calendar reply message might be sent with incorrect From and attendee address.

6.2.9 30-Oct-2018
Valid Core License Keys: issued after 01-Oct-2016.

• Pronto: Pronto! HTML Version 6.2.9 is included.
• HTTP: improved protection from scripts injected with user data.
• Bug Fix: CALENDAR: 6.2.8: calendar messages might be sent with incorrect authentication.
• Bug Fix: SMTP: 6.2.6: optional encryption while sending via multiple parallel channels might cause server crash.
• Bug Fix: AIRSYNC: 6.2.2: incorrect processing the MeetingResponse command might cause crashes on some platforms.
• Bug Fix: TLS: session parameters re-negotiation initiated by a remote server might fail in outgoing TLS connections.
• Bug Fix: TLS: resuming of outgoing TLS sessions might fail.
• Bug Fix: SIP: media parameters negotiation might be broken for intra-cluster endpoints.
• Bug Fix: PBX: media parameters negotiation might be broken for intra-cluster endpoints.
• Bug Fix: MEDIA: intercommunications between local media channels might be unstable.
• Bug Fix: AIRSYNC: 6.2.4: notifications on deleted calendar events might be not sent.

6.2.8 27-Sep-2018
Valid Core License Keys: issued after 01-Oct-2016.

• Pronto: Pronto! HTML Version 6.2.8 is included.
• MAILBOX: high order Unicode symbols are supported in mailbox names now.
• Bug Fix: ACCOUNT: 6.2.4: From address verification might cause server crashes.
• Bug Fix: CALENDAR: 6.2.2: automatic calendar replies might be formatted incorrectly.
• Bug Fix: XIMSS: 6.2.2: message text with incorrect end-of-line marking might fail to get S/MIME-signed.
• Bug Fix: WEBUSER: 6.2.2: HTML tag parameters with single-quoted values might be processed incorrectly.

6.2.7 21-Aug-2018
Valid Core License Keys: issued after 01-Oct-2016.

• Pronto: Pronto! HTML Version 6.2.7 is included.
• MAPI: the MAPI Connector version 1.54.12.28 is included.
• SIP: MESSAGE requests with From URI routed to local accounts require authentication now.
• KERNEL: unquoted rfc2047-encoded atoms are supported in MIME header parameters now.
• Bug Fix: AIRSYNC: 6.2.6: synchronization of Calendar and Contacts items might be blocked.
• Bug Fix: CALENDAR: 6.2.6: attendees might be duplicated in events.
• Bug Fix: CALENDAR: 6.2.6: instances of periodic events specified with RDATE might be duplicated.
• Bug Fix: CalDAV: replies to calendar invitations might be generated with multiple From addresses.
• Bug Fix: CHRONOS: mailbox archiving could get turned off because of some errors.

6.2.6 19-Jul-2018
Valid Core License Keys: issued after 01-Oct-2016.

• Pronto: Pronto! HTML Version 6.2.6 is included.
• LIST: empty subscriber real name in From: no more replaced with "Subscriber".
• SMTP: the TLS Version option implemented for Sending settings.
• SMTP: offered TLS version automatically decreased for the next attempt after failures of connections with optional security.
• AIRSYNC: the support for declining instances of recurrent events has been implemented.
• AIRSYNC: the limit on FreeBusy data requests increased to 1 year.
• CALENDAR: out of series event occurrences specified with RDATE attribute are supported now.
• WEBUSER: the default value for displaying messages with HTML content is set no to "in frame".
• Bug Fix: AIRSYNC: 6.2.5: processing replies to event invitation might cause mail loops.
• Bug Fix: TLS: TLS connections might be vulnerable to Padding Oracle Attack.
• Bug Fix: TLS: some TLS alert messages during handshake might be sent encrypted.
• Bug Fix: WEBUSER: HTML tag validator might let through parameters with active content.

6.2.5 05-Jun-2018
Valid Core License Keys: issued after 01-Oct-2016.

• Pronto: Pronto! HTML Version 6.2.5 is included.
• MAPI: the MAPI Connector version 1.54.12.27 is included.
• KERNEL: the names of Forwarders and Account Aliases now may contain international characters.
• SMTP: DNS server failures to resolve remote host names are treated as non-fatal failures.
• Bug Fix: DOMAINS: renaming/removing a Class of Service caused a memory leak.
• Bug Fix: ACCOUNT: 6.2.4: server might crash on account creation via file import or via CLI.
• Bug Fix: LIST: 6.2.4: in cluster configuration list owner detection via authentication might fail.
• Bug Fix: XIMSS: 6.2.2: removing a calendar item in a shared calendar without Delegation right might cause a crash.
• Bug Fix: WEBUSER: addresses added from dataset-type address books lacked the display name part.
• Bug Fix: SIGNAL: 6.2c2: media proxy might be incorrectly collapsed in some call scenarios.

6.2.4 30-Apr-2018
Valid Core License Keys: issued after 01-Oct-2016.

• Pronto: Pronto! HTML Version 6.2.4 is included.
• MAPI: the MAPI Connector version 1.54.12.25 is included.
• PBXLEG: improved handling of some bridging scenarios.
• SIP: implemented workaround for missing Contact header in 200-INVITE responses.
• Bug Fix: TLS: 6.2.3: TLS handshake with SHA-384 signatures might crash server on some platforms.
• Bug Fix: CALENDAR: 6.2.3: preprocessing calendar invitations might cause server crashes.
• Bug Fix: WEBUSER: 6.2: list of Identities was reset when other preferences were updated.
• Bug Fix: XIMSS: 6.2.2: accessing items in shared folders in cluster environments might cause server crashes.
• Bug Fix: XIMSS: 6.2.2: delegate rights were not properly applied in cluster environments during reply and calendar operations.
• Bug Fix: LOCAL: an authenticated user could send to "all" address on behalf of administrator.
• Bug Fix: QUEUE: the 'From' address and name restrictions now checked before applying Rules.
• Bug Fix: LIST: mailing list owner verification might fail when identities were used.
• Bug Fix: PLATFORM: AIX: in 64 bit environments sockets might fail to enter non-blocking mode.
• Bug Fix: QUEUE: 6.2c3: From address could not be properly verified in messages submitted with custom return-path.
• Bug Fix: WEBUSER: non-ASCII real names in identity might be incorrectly encoded.

6.2.3 30-Mar-2018
Valid Core License Keys: issued after 01-Oct-2016.

• Pronto: Pronto! HTML Version 6.2.3 is included.
• TLS: SHA384 as a Signature algorithm for TLS 1.2 is supported now.
• TLS: Cipher suites using SHA384 hash algorithm have been implemented.
• QUEUERULES: enabled the Authenticated condition to check the name of Account that authenticated submission.
• CalDAV: implemented workaround for the incorrect Europe/Moscow time zone specification in Apple Calendar.
• CalDAV: implemented server-side notifications on updates and removal of calendar items.
• Bug Fix: CALENDAR: exceptions to recurring events might be stored with empty SUMMARY attribute.
• Bug Fix: ACCOUNT: 6.2.2: the Strict mode for From address verification rejected valid addresses.
• Bug Fix: XIMSS: 6.2.2: meeting invitations could not be set when a custom Identity address was used.
• Bug Fix: WEBADMIN: 6.2.2: spurious error message while updating "Other" settings.
• Bug Fix: WEBUSER: XIMSS clients (Pronto) might fail to list attachments in some messages.
• Bug Fix: AIRSYNC: e-mail addresses in search results might be formatted incorrectly.
• Bug Fix: ACCOUNT: 6.2.0: authentication with application-specific passwords might fail with some protocols in cluster environments.

6.2.2 02-Mar-2018
Valid Core License Keys: issued after 01-Oct-2016.

• Pronto: Pronto! HTML Version 6.2.2 is included.
• MAPI: the MAPI Connector version 1.54.12.23 is included.
• New platform: Linux for Baikal-type processors (the mipsel architecture).
• SMTP: the SMTPUTF8 extension (RFC6531) implemented.
• ACCOUNTS: the "'From' Name Restrictions" option processing extended.
• XIMSS: event organizer is set to the shared calendar owner if the user has the Delegation right for the calendar owner account.
• XIMSS: replying to items in shared folders sets the From address to folder owner account if the Delegation right was granted.
• MAILBOX: the Delegation right on an account grants read-write access to folders in that account.
• PBX: added support for Remote-Party-Id header in ProvisionCall.
• CLI: the REPORTFAILEDLOGINADDRESS command has been implemented.
• KERNEL: the --randomDataDevice startup parameter is implemented for the path to random seed data device.
• WEBADMIN: cache controls of the paged output of LDAP search results implemented.
• HTTP: 'autodiscover' processing for Outlook 2016 has been improved.
• MAPI: Directory search used to build GAL now traverses subtrees by default.
• Bug Fix: CalDAV: calendar items might lack the From header.
• Bug Fix: TLS: closed the possible vulnerability to ROBOT attacks using "bad-version oracle" vector.
• Bug Fix: AIRSYNC: 6.2c5: meeting invitations without attendees might block synchronization of some clients.
• Bug Fix: AIRSYNC: server might crash while parsing incorrect calendar data.
• Bug Fix: AIRSYNC: message flags for some message types might fail to synchronize to client device.
• Bug Fix: AIRSYNC: updated calendar items might lose description text.
• Bug Fix: WEBSKIN: addressed leak of session info through the usage of some scripts in the basic skin.
• Bug fix: XIMSS: ICE Candidate attribute was not set in XML SDP data.

6.2.1 26-Dec-2017
Valid Core License Keys: issued after 01-Oct-2016.

• Pronto: Pronto! HTML Version 6.2.1 is included.
• MAPI: the MAPI Connector version 1.54.12.22 is included.
• XIMSS: the callHelper operation has been implemented.
• SIGNAL: the Map Call Dialog Status to Presence account setting has been implemented.
• Bug Fix: QUEUERULES: server might crash on incorrect rules data.
• Bug Fix: CHRONOS: 6.2.0: server might crash while processing meeting reminders.
• Bug fix: SIGNAL: wrong media IP for channels looped through external proxies.
• Bug fix: SMTP: 6.2c1: DMARC verification could reject messages from authenticated senders.

6.2.0 20-Nov-2017
Valid Core License Keys: issued after 01-Oct-2016.

• IMPORTANT: the End User License Agreement has been modified.
• Pronto: Pronto! HTML Version 6.2.0 is included.
• PKI: added support for Subject Alternative Names in certificate requests and self-signed certificates.
• KERNEL: the initial support for encrypted mailboxes has been implemented.
• QUEUERULES: the Calendar Method condition for account and domain level rules has been implemented.
• QUEUERULES: the whitelisted option for the Source condition has been implemented.
• KERNEL: the Application Helpers has been implemented.
• CG/PL: the CallHelper function has been implemented.
• Bug Fix: AIRSYNC: 6.2c5: meetings might be duplicated.
• Bug Fix: AIRSYNC: synchronizing large folder trees with large messages might cause server crashes.
• Bug Fix: LIST: incorrect encoding of specific distribution subjects could break message formatting.

6.2c5 31-Oct-2017
Valid Core License Keys: issued after 01-Oct-2016.

• Pronto: Pronto! HTML Version 6.2c5 is included.
• MAPI: the MAPI Connector version 1.54.12.21 is included.
• WEBADMIN: the Threads monitor now displays CPU utilization values per thread (for Windows, Linux and FreeBSD 11).
• ACCOUNTS: the Reroute External Recipients to option has been implemented.
• ACCOUNTS: the initial support for application passwords has been implemented.
• CLI: the GETACCOUNTONESETTING command has been implemented.
• PKI: the built-in Trusted Root Certificates list has been renewed.
• WEBADMIN: monitoring Failed Logins and Protocol Errors IP Address lists has been implemented.
• WEBADMIN: Urgent Notifications have been implemented.
• Bug Fix: CHRONOS: unprocessed schedules might be discarded on server stop.
• Bug Fix: AIRSYNC: particular events in recurring series could not be declined.
• Bug Fix: AIRSYNC: additional attendees in event exceptions were not processed.
• Bug Fix: AIRSYNC: meeting requests and responses might be not processed properly on iOS devices.
• Bug Fix: AIRSYNC: logging responses at All Info might crash server.
• Bug Fix: LIST: long real names could be encoded incorrectly.
• Bug fix: SIP: the "Optional Media security" option was not properly processed.
• Bug Fix: ACCOUNTS: multiple simultaneous failures to login into the same account could crash the server.

6.2c4 21-Sep-2017
Valid Core License Keys: issued after 01-Sep-2016.

• Pronto: Pronto! HTML Version 6.2c4 is included.
• MAPI: the MAPI Connector version 1.54.12.20 is included.
• LIST: the Hide 'From' Addresses setting is replaced with Compose 'From' Address as:.
• ACCOUNTS: added option to require logins over encrypted connections.
• WEBSKIN: extra protection from WebUser session stealing and cross-site scripting.
• WEBUSER: extra protection from WebUser session stealing and cross-site scripting.
• UTILITIES: the mail utility now supports -E parameter.
• UTILITIES: the sendmail utility now ignores more parameters for compatibility.
• LDAP: the paged output (RFC2696) of search results now works faster.
• KERNEL: SHA-384 and SHA-512 digesting algorithms have been implemented.
• WEBADMIN: monitoring Temporary Blocked and Temporary Client IP Address lists implemented.
• WEBADMIN: In Mail-SMTP-Receiving monitor the authenticated account name is displayed now.
• WEBADMIN: In Access monitors the TLS-encrypted connections are indicated now.
• XIMSS: the calendarForward operation has been implemented.
• ACCOUNTS: the Authentication URI option has been implemented (for LDAP).
• ROUTER: the _dir suffix support has been implemented for Directory-assisted relaying.
• HTTP: added support for multiple Set-Cookie fields in responses to requests.
• Bug Fix: DOMAINS: 6.2c3: Messages from mailing lists were not signed with DKIM.
• Bug Fix: TLS: 6.2c2: AES GCM encryption could crash the server on some platforms.
• Bug Fix: SMTP: some locally generated messages might be considered as relayed and blocked with restricted relaying settings.
• Bug Fix: HTTP: some requests with chunked encoding proxied to cluster backends might be processed incorrectly.
• Bug Fix: Directory: when deleting a Local Unit some files could stay orphaned.
• Bug Fix: AIRSYNC: calendar items updated server-side could not be removed.

6.2c3 29-Apr-2017
Valid Core License Keys: issued after 01-Apr-2016.

• Pronto: Pronto! HTML Version 6.2c3 is included.
• WEBUSER: editing multiple Identities implemented.
• CLI: The VERIFYACCOUNTIDENTITY method implemented.
• ACCOUNTS: 'From' Address Restrictions and 'From' Name Restrictions settings implemented.
• QUEUE: verifying the validity of From: header in messages from authenticated senders implemented.
• SIGNAL: Push notifications to iOS and Android devices for incoming calls and IMs have been implemented.
• LDAP: search for non-routable address under the dc=cgprouter base now returns empty result rather than routing error.
• XMPP: blacklisting by domain name has been implemented.
• XIMSS: notifications on mailbox changes are sent now also when a mailbox is created/renamed/removed.
• QUEUERULES: the actions Accept Request and Accept Reply can be applied now to Tasks Requests and Replies.
• Bug Fix: AIRSYNC: double quotes in the display name part of email addresses might be processed incorrectly.
• Bug Fix: LIST: header/trailer texts were added with extra EOLs to HTML-formatted messages.

6.2c2 31-Mar-2017
Valid Core License Keys: issued after 01-Mar-2016.

• Pronto: Pronto! HTML Version 6.2c2 is included.
• DOMAINS: adding DKIM Signatures to outgoing messages implemented.
• PBXLEG: SendCallRegister function is documented.
• RSIP: registration period is properly adjusted according to remote server responses.
• SIP: the "system overloaded" is now mapped to SIP error code 503.
• SIP: the RetryAfter parameter in SIP 503 responses is respected now.
• SIP: implemented the option to log call-related SIP requests and responses at the All Info level.
• SMTP: domain name in server prompt now follows the same rules as parameter to HELO/EHLO.
• SMTP: certificates from secondary domains can be sent when requested by the remote server.
• TLS: AES Galois Counter Mode cipher suites are implemented.
• QUEUE: Message revocation mechanism has been implemented.
• Bug Fix: PBX: error code 423 was not handled correctly.
• Bug Fix: AirSync: extra quotes might be added to real names in e-mail addresses and break formatting.
• Bug Fix: TLS: processing client certificates could not be optional.

6.2c1 14-Feb-2017
Valid Core License Keys: issued after 01-Feb-2016.

• WEBADMIN: the "with DMARC" item added to "Check SPF records:" menu in SMTP module settings.
• SMTP: RFC7489 (Domain-based Message Authentication, Reporting, and Conformance (DMARC)) implemented (the authentication part).
• KERNEL: RFC6376 (DomainKeys Identified Mail (DKIM) Signatures) signature checking implemented as part of DMARC support.
• KERNEL: the Public Suffix List of domains is included as a service (required by DMARC).
• WEBUSER: now only folders of appropriate class can be selected for specific purposes (default Calendar, Tasks etc.).
• KERNEL: the account preferences data were moved from account.info file into a separate file.
• DOMAINS: the Comment attribute is implemented.
• WEBADMIN: the Scheduled Tasks of an Account are now visible in Status page.
• ACCOUNTS: the File Storage now supports files larger than 4GB.
• FTP: the module now supports transfer of files larger than 4GB.
• WEBUSER: the "Redirect all Mail to" simplified rule redesigned to be DMARC-compatible and renamed to "Copy all Mail to".
• WEBUSER: choosing From: address from multiple Identities implemented.
• WEBUSER: default Directory Address Books implemented.
• STATISTICS: the cpuTimeUsed element is implemented.
• ACCOUNTS: Password expiration option is implemented.
• WEBADMIN: Limitation and Rate Control for the number of recipients in outgoing e-mail messages are implemented.
• WEBADMIN: Supplementary Log Files now can be deleted automatically.
• WEBADMIN: the Log Out button has been added.
• CG/PL: the ReadSkinObject function has been documented.
• SESSION: two-factor authentication framework has been implemented.
• XIMSS: the protocol has been extended to support two-factor authentication and forced password change.
• WebUser: the interface has been extended to support two-factor authentication and forced password change.

Summary

• Password expiration option is implemented.
• The File Storage now supports files larger than 4GB.
• Account stores the last five IP addresses confirmed with Two-Factor Authentication.
• 'From' Address Restrictions and 'From' Name Restrictions settings implemented.
• Added option to treat only logins over encrypted connections as secure.
• The Authentication URI option has been implemented (for LDAP).
• The Reroute External Recipients to option has been implemented.
• Delegation right on an account grants read-write access to folders in that account.

• Multiple fixes to problems with calendar event processing.
• The support for declining instances of recurrent events has been implemented.
• The limit on FreeBusy data requests increased to 1 year.

• The workaround for the incorrect Europe/Moscow time zone specification in Apple Calendar has been implemented.
• Server-side notifications on updates and removal of calendar items have been implemented.

• The ReadSkinObject function has been documented.
• The SendCallRegister function has been documented.
• The CallHelper function has been implemented.

• The BLESSSESSION method has been implemented.
• The VERIFYACCOUNTIDENTITY method has been implemented.
• The GETACCOUNTONESETTING command has been implemented.
• The REPORTFAILEDLOGINADDRESS command has been implemented.

• The Comment attribute is implemented.
• Adding DKIM Signatures to outgoing messages implemented.

• The module now supports transfer of files larger than 4GB.

• 'autodiscover' processing for Outlook 2016 has been improved.

• The support for encrypted mailboxes has been implemented.
• The Application Helpers has been implemented.
• The account preferences data were moved from account.info file into a separate file.
• The Public Suffix List of domains is included as a service (required by DMARC).
• RFC6376 (DomainKeys Identified Mail (DKIM) Signatures) implemented.
• SHA-384 and SHA-512 digesting algorithms have been implemented.
• The --randomDataDevice startup parameter is implemented for the path to random seed data device.
• The names of Forwarders and Account Aliases now may contain international characters.

• Search for non-routable address under the dc=cgprouter base now returns empty result rather than routing error.
• The paged output (RFC2696) of search results now works faster.

• The Hide 'From' Addresses setting is replaced with Compose 'From' Address as:

• The Sliced format is used by default now.
• Encrypted variants of mailbox formats are supported now.
• The Delegation right on an account grants read-write access to folders in that account.
• High order Unicode characters are supported in mailbox names.

• The support for Remote-Party-Id header in ProvisionCall has been added.

• The built-in Trusted Root Certificates list is renewed.
• Added support for Subject Alternative Names in certificate requests and self-signed certificates.

• Pronto! HTML Version 6.2 is included. It is the default "Pronto" interface now.

• Message revocation mechanism has been implemented.
• Verifying the validity of From: header in messages from authenticated senders implemented.
• The presence of the 'From' address became mandatory.

• The actions Accept Request and Accept Reply can be applied now to Tasks Requests and Replies.
• The Calendar Method condition for account and domain level rules has been implemented.
• The whitelisted option for the Source condition has been implemented.
• The Authenticated condition to check the name of Account that authenticated submission has been enabled.

• The _dir suffix support has been implemented for Directory-assisted relaying.

• Registration period is properly adjusted according to remote server responses.

• Push notifications to iOS and Android devices for incoming calls and IMs have been implemented.
• The Map Call Dialog Status to Presence account setting has been implemented.

• The "system overloaded" is now mapped to SIP error code 503.
• The RetryAfter parameter in SIP 503 responses is respected now.
• Implemented the option to log call-related SIP requests and responses at the All Info level.

• RFC7489 (Domain-based Message Authentication, Reporting, and Conformance (DMARC)) implemented (the authentication part).
• Domain name in server prompt now follows the same rules as parameter to HELO/EHLO.
• Certificates from secondary domains can be sent when requested by the remote server.
• The SMTPUTF8 extension (RFC6531) implemented.
• The TLS Version option implemented for Sending settings.
• Offered TLS version automatically decreased for the next attempt after failures of connections with optional security.
• DNS server failures to resolve remote hostnames are treated as non-fatal failures.

• The cpuTimeUsed element is implemented.

• AES Galois Counter Mode cipher suites are implemented.
• SHA384 as a Signature algorithm for TLS 1.2 is supported now.
• Cipher suites using SHA384 hash algorithm have been implemented.
• RFC7507 for TLS fallback prevention is supported now.

• Supplementary Log Files now can be deleted automatically.
• Limitation and Rate Control for the number of recipients in outgoing e-mail messages are implemented.
• The Scheduled Tasks of an Account are now visible in Status page.
• The "with DMARC" item added to "Check SPF records:" menu in SMTP module settings.
• The Log Out button has been added.
• Monitoring Temporary Blocked, Failed Logins, Protocol Errors, and temporary Client IP Address lists implemented.
• In Mail-SMTP-Receiving monitor the authenticated account name is displayed now.
• In Access monitors the TLS-encrypted connections are indicated now.
• The Threads monitor now displays CPU utilization values per thread (for Windows, Linux and FreeBSD 11).
• Urgent Notifications implemented.
• Cache controls of the paged output of LDAP search results implemented.

• Default Directory Address Books are implemented.
• The "Redirect all Mail to" simplified rule has been redesigned to be DMARC-compatible and renamed to "Copy all Mail to".
• Choosing From: address from multiple Identities implemented.
• Now only Calendar-type mailbox can be selected as Main Calendar, only Tasks-type one as Main Tasks, etc.
• Two-factor authentication is supported now.
• Editing Identities has been implemented.
• Extra protection from session hijacking has been implemented.
• The default value for displaying messages with HTML content is set no to "in frame".

• Commands for the Two-factor authentication is supported now.
• Notifications on mailbox changes are sent now also when a mailbox is created/renamed/removed.
• The calendarForward operation has been implemented.
• The callHelper operation has been implemented.
• Event organizer is set to the shared calendar owner if the user has the Delegation right for the calendar owner account.
• Replying to items in shared folders sets the From address to folder owner account if the Delegation right was granted.

• Blacklisting by domain name has been implemented.

• The mail utility now supports -E parameter.
• The sendmail utility now ignores more parameters for compatibility.