Sending SOAP Requests via Email
One of the interesting add-ons for the Apache SOAP implementation is a pair of utilities for receiving SOAP requests and sending a response via email. You set up a small POP3 server that listens for mail to a particular mailbox. Whenever the server sees a message, the server forwards it to the SOAP server. The server then takes the response and emails it back to the sender.
It might sound a little wacky to send requests via email, but email has the capability to penetrate through a corporate firewall better than any other protocol. You can often set up an email SOAP server well inside your corporate network where Web browsers have no hope of reaching. Although this isn't the most efficient way of doing business, ...
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