A Comprehensive Zimbra Administrative Course

Select the best operating system for your Zimbra server by evaluating lifecycle, subscriptions, and community support to ensure long-term stability and security.

Discover step-by-step guidance on selecting and securing an operating system, creating a safe, streamlined image, and preparing the OS for Zimbra installation to simplify the email server.

Set and verify time and date properties on the server to prevent email and calendar issues, compare local and universal time, and use provided resources to confirm accurate settings.

Adopt a sustainable Zimbra partitioning strategy by separating boot, root, and a dedicated OPD partition to prevent root full scenarios and maintain system stability.

Learn advanced partitioning techniques in Zimbra administration, comparing standard and extended partitions, preventing full root partitions, and planning migration or added storage to keep email data and the system sustainable.

Disable root login and change the default ssh port to reduce brute force attacks and harden server security. Avoid default usernames to further protect remote management.

Explore the login banner approach as an optional best practice for your server. Edit or create the banner, back up the original, and update the configuration to enable it.

Develop a memcached attack policy for Zimbra by securing ports, restricting access to localhost, and implementing firewall and IP policies to prevent unauthorized remote access.

Set up Zimbra by configuring the hostname and hosts file, and check for conflicts before installation. Download packages, configure domain and DNS, and start proxy to access webmail.

Explore the Zimbra mailbox interface, manage inbox, drafts, trash and dumpster, and configure calendars, tasks, and filters for efficient email administration.

Explore the admin panel tour and learn to navigate monitoring, services, domains, and class of service settings, while configuring password policies, MTA options, and external versus local delivery.

Learn how to manage zimbra users with both the graphical user interface and the command line, including creating accounts, setting status, quotas, and mandatory password policies.

Learn how to promote a standard Zimbra account to admin via the admin console, log into the admin panel, and manage admin privileges and account features.

Lock and unlock Zimbra accounts using both the graphical user interface and the command line. Manage account statuses such as active, closed, and maintenance with visibility.

Create and manage distribution lists in the Zimbra admin panel, add members, set policies, and designate owners to control who can send mail.

Learn to send email as a distribution list in Zimbra by granting and revoking send-as rights on behalf of the list, with practical examples of accounts and domains.

learn to restrict sending to distribution lists in Zimbra by enabling the policy service, applying a sender restriction, and restarting mail services to enforce the policy.

Enable local delivery in Zimbra to route emails within the local server by using local lookup when no public DNS is available, validating delivery through test mail flow.

Learn how to understand and configure auto_bcc to copy all incoming and outgoing emails to an archive, aiding admin oversight for legal and audit purposes.

Understand and configure sender_bcc in Zimbra to control who receives cc and bcc copies, preserve emails in archives, and enforce compliance and admin copy rules.

Configure recipient_bcc to automatically forward copies of incoming emails to designated resource mailboxes, validating with test accounts and ensuring the rule maps correctly for department-wide notifications.

Explore how to blacklist and whitelist Zimbra accounts, blocking unwanted senders, preventing delivery to blocked mailboxes, and handling admin notifications.

learn how to blacklist and whitelist domains or users using amavis in Zimbra, with console steps, backups, and file-based configuration.

Learn how to blacklist domains and email accounts using salocal, back up configuration files, and address non-fatal warnings during a domain audit.

Learn to block incoming users or domains in Zimbra by blacklisting senders or domains, configure blocking rules in the policy file, and apply changes with a reload or restart.