Knowledge Base

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

When your application requests a resource which has moved, the server will indicate this by providing the location of the new resource URL. By default, the SocketTools HTTP client components and library will not automatically request the relocated resource, however you can enable this capability by specifying an option when the connection is made.

When attempting to use SocketTools components or libraries to connect with a mail server using either SMTP, POP3 or IMAP, the connection fails or an error is returned indicating the user's credentials are invalid. The user name and password are valid and a connection can be established using a mail client such as Outlook.

SocketTools components and installers are digitally signed using an Authenticode certificate. On Windows XP and Windows Server 2003, the operating system reports the signature as invalid. This occurs because older versions of Windows do not support the SHA-256 algorithm used when timestamping the signature.

When attempting to perform a network operation, such as sending or receiving data, it fails with an error indicating that the operation would block.