If your Web server is operated by an ISP or hosting service, they will install your SSL certificate. Certificate installation instructions are available for the Web servers listed below. Please click on your server type to view the instructions. If you require the GeoTrust Root Certificate(s) please click here for the GeoTrust Root Certificate repository.

Web Servers:

• Apache + OpenSSL
• Apache + Raven
• Apache + SSLeay
• Apache 2.x • C2Net Stronghold
• Cobalt Series
• CPANEL
• Ensim
• HSPHERE
• IBM-HTTP
• IBM Domino Go 4.6.2.6+
• iPlanet Enterprise Server 4.1
• IPSWITCH
• Jakarta_Tomcat
• Lotus Domino 4.6
• Lotus Domino 5.x
• Microsoft IIS 4.0
• Microsoft IIS 5.0
• Microsoft IIS 6.0
• Netscape Enterprise Enterprise 3.51
• O'Reilly WebSite Professional 2.X
• Deerfield (O'Reilly) Website Professional 3.x
• Plesk
• WebLogic 5.x
• WebLogic 6.x
• WebLogic 7.x
• WebSTAR 4
• WebSTAR 5
• Zeus Web Server V3

Mail Servers:

• Microsoft Outlook Web Access
• Microsoft Exchange Server
• CPPop (cPanel mail server) and other stunnel based mail servers
• Postfix
• Courier IMAP