SocketTools ActiveX Edition Releases

Released: Sep 7, 2022

Updates in 10.0.1430.2348


  • Improved handling of certain MIME character sets for non-European languages, particularly messages which use Chinese and Korean character sets.
  • Minor updates and improvements to the HTML Help and PDF documentation.


  • Corrected an issue with the FTP client components which could result in a memory leak when returning a large list of files in a folder.
  • Corrected an issue with the FTP client and server components which could cause UTF-8 encoded file names to be incorrectly converted to...

Released: May 12, 2022

Updates in 10.0.1416.2256


  • Improved processing of HTTP resource redirection.
  • Minor updates and improvements to the HTML Help and PDF documentation.


  • Corrected an issue which could cause the client to reissue the same GET request.
  • Corrected an issue which caused the POP3 components and library to fail authentication using an OAuth2 bearer token.
  • Corrected an issue which could prevent a log file from being created when certain options were specified.
  • Corrected an issue which could prevent the process heap...

Released: Mar 30, 2022

Updates in 10.0.1402.2218


  • Updated the internal table of recognized content types used by the MIME and HTTP components.
  • Updated the current Microsoft Visual Studio 2022 17.1 and Visual Studio 2019 16.11 release with the latest Microsoft .NET 5.0 and 6.0 Framework SDKs.
  • Minor updates and improvements to the HTML Help and PDF documentation.


  • Corrected an issue with the HTTP components where the PostXml and PostJson methods may not return an error if the server returns a status code in the 500 range.
  • Corrected...

Released: Jan 18, 2022

Updates in 10.0.1318.2132


  • Updated the current Visual Studio 2022 17.0.5 and Visual Studio 2019 16.11.9 release with the latest .NET 5.0 and 6.0 Framework SDKs.
  • Minor updates and improvements to the HTML Help and PDF documentation.


  • Corrected an issue with the ActiveX controls which could cause memory corruption when the control was dynamically created CreateObject. This would cause the host application to throw an unhandled exception or terminate abnormally.
  • Corrected an issue where arguments passed to the...

Released: Nov 8, 2021

Updates in 10.0.1290.2024


  • Added support for Microsoft Windows 11 and Windows Server 2022.

Released: Aug 18, 2021

Updates in 10.0.1282.1986


  • Added support for several more Microsoft Windows code page character sets and updated the parser to internally convert them into Unicode. This affects both the contents of message and encoded header values which used these code pages. This change was made to improve messages imported from older mail clients. Windows code pages should not be used when composing new messages.
  • Created new installers and Windows Installer (MSI) packages which no longer use InstallShield. The new installers...

Released: May 18, 2021

Updates in 10.0.1274.1931


  • Secure connections will now automatically fall back to using TLS 1.2 if support for TLS 1.3 has not been enabled on the local system. Microsoft has not made TLS 1.3 generally available for the Schannel SSPI and is considered experimental.
  • The MIME content type application/ is recognized for executable files and dynamic load libraries (DLLs) which are attached to messages.
  • Valid message attachments which do not explicitly specify a file name will now be...

Released: Mar 2, 2021

Updates in 10.0.1268.1892


  • Changed how FTP and HTTP server events are processed while the server is in the process of stopping or restarting. Client sessions will no longer be forcibly terminated while handling a request, however additional events will not be raised while the server is in its shutdown process.
  • The MIME components and library will now decode encoded text in a message part when it is designated as an attachment. Previous versions would not decode text in a file attachment and would always return...

Released: Dec 10, 2020

Updates in 10.0.1260.1875


  • Corrected an issue that could prevent certain internationalized domain names from resolving correctly due to how they were being encoded. In this case, a valid domain name would return an error indicating that it was unknown and the connection would fail.
  • Modified the server related components to attempt to reduce the working set size of the process when the server is stopped or goes idle after all clients have disconnected. This should reduce the overall memory footprint of the server...

Released: Sep 24, 2020

Updates in 10.0.1251.1868


  • Changed the internal buffering algorithm used for HTTP and FTP file transfers which should increase file transfer speeds under certain conditions.
  • Added internal support for some additional Microsoft Windows code pages when parsing MIME formatted mail messages. This improves handling for some older versions of Microsoft Outlook and applications which used Outlook automation to compose messages.
  • Updated the documentation to make it clear the ANSI version of the MimeGetMessageText...