Configuring IMAP over SSL with SBS 2003 Standard

Follow these steps to enable and configure IMAP using SSL. Enable the IMAP service on SBS 2003 Open the Services control panel (Start -> Run -> services.msc or Start -> All Programs -> Administrative Tools -> Services) Scroll down to find Microsoft Exchange IMAP4 (see Figure 1). Figure 1 Double-click on the service to open the properties. In the General tab, change the Startup Type to Automatic (see Figure 2).   Figure 2 Click Start to start the IMAP service. Click OK to close the Properties window. Confirm that the IMAP service is started and set to Automatic in the services list (see Figure 3). Figure 3 Configure IMAP services in Exchange Open Exchange System Manager (Start -> All Programs -> Microsoft Exchange -> Exchange System Manager). Expand Servers, your server name, Protocols, and IMAP4. Select the Default IMAP4 Virtual Server (see Figure 4), right click and select Properties. Figure 4 Select the Access tab, then click on the Certificate button under "Secure communication" (see Figure 5).   Figure 5 Go through the Web Server Certificate Wizard. Click Next to start (see Figure 6). Figure 6 Select "Assign an existing certificate" and click Next (see Figure 7) Figure 7 Select the public certificate name and click Next (see Figure 8). Figure 8 Verify the proper certificate has been selected and click Next (see Figure 9). Figure 9 Complete the wizard by clicking Finish (see Figure 10). Figure 10 Select the "General" tab and click the "Advanced" button (see Figure 11). Figure 11 Confirm the ports for IMAP are 143 and 993 (for SSL) and the IP address is "All Unassigned" (see Figure 12). Figure 12 Click OK to close the Advanced dialog box, then click OK to close the properties of the IMAP4 Default Virtual Server. Enable SSL connections for the SMTP service Open Exchange System Manager. Expand Servers, your server name, Protocols, SMTP, and select the Default SMTP Virtual Server (see Figure 13). Figure 13 Right-click on the Default SMTP Virtual Server and select Properties. Select the Delivery tab, then click Advanced (see Figure 14). Figure 14 In the "Fully-qualified domain name" field, enter the full public DNS name of the server (see Figure 15) and click OK. Figure 15 Select the Access tab and click the Certificate button under "Secure communication" (see Figure 16). Figure 16 Select "Assign an existing certificate" and click Next (see Figure 17). Figure 17 Select the public certificate name, and click Next (see Figure 18). Figure 18 Confirm the correct certificate selection and click Next (see Figure 19). Figure 19 Click Finish to complete the wizard (see Figure 20). Figure 20 In the Access tab, click Communication under "Secure Communication." In the Security dialog box, ensure that the "Require secure channel" checkbox is turned off (see Figure 21). Figure 21 Click OK to close the Security dialog, then click OK to close the Default SMTP Virtual Server properties. At this point, you are able to make SSL connections to both the IMAP4 service as well as the SMTP service.