If you've reached this page you were likely trying to get to the Zenoss mailing lists pages provided by Mailman. We've recently switched to a new community platform (the site you are now on) which handles the mailing lists.
Accessing your account
If you have been receiving emails from a mailing list then you should have an account in the new site. To access it, go to this page and enter your email address. You'll receive a message with a link allowing you to reset your password. After it is reset you should be able to login with your new credentials. You'll also be given the opportunity to set your name and other personal information.
Managing email notifications
Once you are logged into the site, click on your username to access your preferences:
Then click on the Email Notifications tab to access and modify your notification preferences:
Here's where the new forums are located, mapped up with their old locations:
This page links to a number of help topics on using this new site.