Paypal IPN Verification Postback with HTTPS
hostname If OpenSSL support is installed, you may prefix the hostname with either ssl:// or tls:// to use an SSL or TLS client connection over TCP/IP to connect to the remote host. http://www.php.net/fsockopen The port would also need to change to 443. So: https:// would not work because you’re opening a socket, which is a low-level transport. HTTP is an application level protocol on … Read more