Knowledge Base

When building a SocketTools project using Visual C++ 6.0 on Windows XP or later, make sure that you have installed Visual Studio 6.0 Service Pack 6 (SP6) and the Windows Platform SDK February 2003 Edition.

An error is returned when attempting to create a secure SSL or TLS connection indicating that the SocketTools component cannot establish a security context. This error can occur for several reasons, depending on the server configuration and the version of Windows the application is running on.

Applications on unsupported versions of Windows may be unable to establish a secure connection to an Apache HTTP server after the server was upgraded to version 2.4. The same application was able to establish a secure connection with previous versions of the Apache server.

When adding a new reference to your Visual Studio project by selecting Project | Add Reference, or right-clicking on the project in the Solution Explorer, the Reference Manager will show multiple versions of the same SocketTools assemblies in the list.

SocketTools includes example projects for each edition as part of the standard installation. They are copied into the Documents folder for the current user who installs SocketTools. This will always be where the examples are installed, regardless of the path provided for the SocketTools edition you are installing.

When authenticating with an SMTP server using either the Authenticate method in the .NET class or ActiveX control, or when calling the SmtpAuthenticate function in the library API, the attempt fails with an error indicating  an invalid or unsupported authentication protocol was specified.

When attempting to send an email using the SocketTools SMTP client component or library, the connection is successful, however the SendMessage method or SmtpSendMessage function fails with an error indicating there were no valid recipients specified.

If your anti-virus software detects a virus in one of the SocketTools installation packages, it is likely a false-positive report made by the heuristics engine in the software you are using.

When you want to submit data to a web service, there are several different approaches that you can take in your applications. Code which was written using older versions of SocketTools would simply use the PostData method, or HttpPostData function in the API. With the current version, you have additional options.

There may be situations where a system is having problems establishing a reliable Internet connection. This could occur after an update to the operating system or a network driver, or after the installation of third-party software such as a VPN. Fortunately, it's not difficult to reset your system back to its default configuration and restore