Configure exchange2000 witch pop3s / smtps

步驟：



1. 安裝 certificate server
2. 參考附件 webcertificate.pdf, page 2 - page 7，作申請及簽核憑證
3. 參考網頁  http://support.microsoft.com/?scid=kb%3Ben-us%3B319273&x=3&y=17  ，

How to Configure Secure Communications (Part Two)

After you install a certificate on your server, follow these steps to force secure communications:

1. Open the Default POP3 Virtual Server properties.
2. Click the Access tab, and then click Communication.
3. Click to select the Require secure channel check box.
4. If both the Exchange 2000 computer and the clients support 128-bit encryption, click Require 128-bit encryption.
5. Click OK, and then click OK.
6. Stop and restart the Exchange 2000 POP3 service.
7. Start Outlook Express, click Accounts on the Tools menu, and then click the Mail tab.
8. Double-click the Exchange Server Mail account, click the Advanced tab, and then click This server requires a secure connection (SSL).
   
   The incoming mail (POP3) port number changes from 110 to 995.
9. Click OK, and then click Close.

4. 參考附件 '使用 Microsoft Outlook 2003 設定 POP3s 和 SMTPs 指引_1281938501866.png' 設定 outlook 2003
5. 參考附件 'Configure Thunderbird with pop3s.doc'

後記：
其實 exchange 2000 server 並不提供 smtps 的 service
這邊的 smtps service 仍然是走 25 port，唯一的差別是登入資訊有用 TLS 加密，連線過程有用 SSL 加密