ServicePointManager.ServerCertificateValidationCallback +=
new System.Net.Security.RemoteCertificateValidationCallback(
(s, certificate, chain, sslPolicyErrors) => { return true; });
ServicePointManager.ServerCertificateValidationCallback +=
new System.Net.Security.RemoteCertificateValidationCallback(
(s, certificate, chain, sslPolicyErrors) => { return true; });