Using Caché Objects - InterSystems Documentation

24
Internet Classes
The Caché class library includes classes that provide an easy-to-use interface for a number
of useful Internet protocols. Using these classes your applications can:
• Send and receive email messages using the SMTP and POP protocols.
• Send and receive files using the FTP protocol.
• Make HTTP requests to an external HTTP Server.
• Parse URL strings into constituent pieces.
This chapter describes the these classes. You can also refer to the documentation for the
specific classes.
24.1 Email
Basically, email (electronic mail) works by sending messages (which have a specific format)
across the internet using a set of standard protocols. Caché provides classes that support two
of these protocols (SMTP and POP3). In addition, Caché provides a class, %Net.MailMessage,
that represents an object version of an email message.
24.1.1 Mail Messages
The %Net.MailMessage class is used to represent email messages for both sending and
receiving email. It contains properties that correspond to the various parts of an email message.
These properties are divided into those that represent the header (whom the message is
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