If you use POP3 or IMAP4 server to retrieve email, it is always a good idea to turn on SSL (Secure Socket Layer) to encrypt the data. However, if you use a web host’s email server like I do, you more than likely will have an SSL certificate mismatch. If you happen to be looking at your Windows Mobile smartphone, you will see a message like this one warning you about this mismatch. Pressing the Yes button skips over this issue and lets email flow down to your phone. However, if are not looking at the phone, no mail will sync up. And, if you do not see this message, you may not notice this for a while. My personal practice is to start manual mail sync at least once a day to avoid mail retrieval issues due to this certificate problem.
