NVMe vs SSD Storage: What’s the Difference and Why It Matters for Hosting
NVMe (Non-Volatile Memory Express) and SATA SSD are both solid-state storage technologies, but they differ dramatically in performance. Understanding ...
Zimbra: Enable Plain Text (Clear Text) Authentication for IMAP and POP3
By default, Zimbra requires encrypted connections (TLS/SSL) for IMAP and POP3 authentication. Some legacy mail clients or scripts that ...
Zimbra: Enable Sender and Recipient Address Verification at SMTP Time
By default, Zimbra accepts inbound messages destined for non-existent accounts and only rejects them after the full message body ...
Enable Zimbra Brute-Force Login Notifications with zmauditswatch
Zimbra includes a built-in audit-watching service called zmauditswatch that monitors the Zimbra audit log for repeated authentication failures and ...
Installing Zimbra Mail Server on CentOS 7 / AlmaLinux
This guide covers installing Zimbra Collaboration Server on CentOS 7 / RHEL 7. Note: Zimbra 8.6 is EOL. The ...
Zimbra: How to Assign a Dedicated Outgoing SMTP IP per Domain
Running multiple domains on a single Zimbra mail server? You may need each domain to send outgoing email through ...
How to Run Zimbra on Both HTTP and HTTPS
By default, a Zimbra installation restricts access to the Admin Portal and Zimbra Webmail to HTTPS only. In certain ...