If you are about to implement Exchange 2003 Mobile Messaging one item you will require is an SSL certificate. 

The table below and listed at https://partner.microsoft.com/global/partner/40027352 provides details of known third-party Secure Sockets Layer (SSL) certificates from trusted root certification authorities that have a root store presence in Windows Mobile devices.

 

Certification Authority
SSL Product
Where to Buy
Supported Versions
CyberTrust
 
SureServer Certificate
 
2003 and 5.0
 
Entrust.net
 
Standard SSL Certificate
 
2003 and 5.0
 
 
Enhanced SSL Certificate
 
 
2003 and 5.0
 
 
Premium SSL Certificate
 
 
2003 and 5.0
 
Geotrust
 
Quick SSL
 
2003 and 5.0
 
 
Quick SSL Premium
 
 
2003 and 5.0
 
 
Microsoft Small Business Server (SBS) 2003 SSL Certificate
 
 
2003 and 5.0
 
GlobalSign
 
ServerSign SSL Certificate
 
2003 and 5.0
 
GoDaddy
 
Turbo SSL
 
5.0 w/ MSFP only
 
 
High Assurance SSL
 
 
5.0 w/ MSFP only
 
Thawte
 
SSL Web Server Certificates
 
2003 and 5.0
 
 
SSL 123 Certificates
 
 
2003 and 5.0
 
Verisign
 
Secure Site SSL
 
2003 and 5.0
 
 
Secure Site Professional SSL
 
 
2003 and 5.0
 

Last updated February 10, 2006.