Problem: A user is able to access their Google Apps (hosted Gmail) account through webmail, but NOT through an email client using POP3 or IMAP. Cause: Their user account has an active CAPTCHA that needs to be unlocked. Solution: Unlock the user’s CAPTCHA by visiting: http://mail.google.com/a/your-domain-name.com/UnlockCaptcha (case sensitive) You will be prompted for the username …