Be sure to read those pages first before contacting the webmaster or systems administrator. It helps keep their Email flow down and allows them more time to devote to their web site. There is no such thing as privacy on the internet. If you're going to send Email, there's always a chance someone else could intercept it - intentionally or accidentally. With most Email systems, the Email Administrator has access to your Email messages.
Some companies even monitor their employee Email.
This includes passwords and Credit Card numbers. Routinely changing your password will ensure greater security, if you can remember the latest password. It's easy to guess a password like 'rosebud', but it's much harder guessing a password like 'a5BbY48a'. Don't leave a running machine unattended. Shut-off or reboot any computer you're finished using.