An HTTP 500 response was returned from IIS7 is the error i get when testing the connectivity.
Attempting to Resolve the host name webmail.kmiplus.org in DNS.
Host successfully Resolved
IP(s) returned: 220.127.116.11
Testing TCP Port 443 on host webmail.kmiplus.org to ensure it is listening/open.
The port was opened successfully.
Testing SSLCertificate for validity.
The certificate passed all validation requirements.
Subject: CN=webmail.kmiplus.org, OU=Domain Control Validated - RapidSSL(R), OU=See www.rapidssl.com/resources/cps
(c)09, OU=GT77988718, O=webmail.kmiplus.org, C=GB, Issuer CN=Equifax Secure Global eBusiness CA-1, O=Equifax Secure Inc., C=US
Testing Http Authentication Methods for URL https://webmail.kmiplus.org/Microsoft-Server-Activesync/
Http Authentication Methods are correct
Found all expected authentication methods and no disallowed methods Methods Found: Basic realm="webmail.kmiplus.org
Attempting an Activesync session with server
Errors were encountered while testing the ActiveSync session
Attempting to send OPTIONS command to server
Testing the OPTIONS command failed. See Additional Details for more info
An HTTP 500 response was returned from IIS7