Guides from the NOC

Let's Encrypt's 6-day short-lived certificates are changing how often cPanel sites renew HTTPS. Here's what actually changes, and what to check before it bites.

Changing your cPanel account's primary domain in WHM? Learn what breaks — SSL, DNS, email — and the safe step-by-step way to do it without downtime.

Deleted old mail but cPanel still shows the mailbox full and bounces keep coming? Here's why the quota cache goes stale and how to force a real recalculation.

Confused by cPanel User Manager? Learn how it differs from Email Accounts and FTP Accounts, and fix login, permission, and Web Disk errors fast.

Emails missing on one device or duplicated on another? Fix cPanel email sync issues caused by POP3/IMAP mismatches and corrupted Dovecot indexes.

Renaming a cPanel account can break email, cron jobs, and SSL if done the wrong way. Here is the safe WHM rename process and what to check before and after.

Lock a folder with cPanel Directory Privacy the right way. Fix login loops, caching conflicts, and .htpasswd path errors that break Basic Auth.

AWStats, Webalizer, and Google Analytics all show different visitor counts for the same site. Learn why, and how to fix and read cPanel's traffic stats corre...

Learn how cPanel's IP Blocker actually works, how to block or allow specific visitor IPs, and why it fails behind Cloudflare or with rotating bot traffic.

Getting a 403 or 500 error on a symlinked file in cPanel? Learn how CloudLinux's Symlink Race Condition Protection works and how to fix it the right way.

cPanel catch-all email flooding your mailbox with junk? Learn what Default Address does, why it invites spam and backscatter, and how to turn it off safely.

cPanel's Email Deliverability tool showing Invalid or Not Enabled for SPF, DKIM, or DMARC? Here's what each status means and how to fix local DNS conflicts.

Set up a Mailman mailing list in cPanel, then fix messages stuck in moderation, silent unsubscribes from bounce handling, and DMARC delivery failures.

Configure your cPanel email in Outlook, Thunderbird, iPhone Mail or Gmail app the right way - correct IMAP/SMTP ports, SSL settings, and common login fixes.

Subdomain showing 'Not Secure' while your main domain is fine? Learn why cPanel AutoSSL skips wildcards and how to get real wildcard SSL coverage fast.

Emails bouncing with 'mailbox full' or 'over quota' in cPanel? Find the full mailbox, clear it via SSH or webmail, and stop it from recurring.

Set up cPanel Leech Protect to catch shared or leaked logins on password-protected folders, fix the greyed-out option, and avoid false lockouts.

Deploy a Python or Django app in cPanel with Setup Python App, fix passenger_wsgi.py errors, ModuleNotFoundError, and static file issues the right way.

Set up password-less SSH/SFTP on shared cPanel hosting with SSH Access Manager, and fix 'Server refused our key' and authentication failures fast.

Learn how to create and use cPanel API tokens to automate backups, email account creation, and DNS changes securely, without exposing your password.

Missing security headers flagged in a scan? Learn how to add CSP, HSTS, X-Frame-Options, and more via .htaccess in cPanel without breaking your site.

Learn how cPanel Email Filters work, block senders, auto-forward invoices, and avoid the backscatter mistake that silently tanks your domain deliverability.

Hitting cPanel's max emails per hour limit? Learn why WHM caps outbound mail, how to check Track Delivery, and how to safely raise or fix the limit.

Learn how WHM's Transfer Tool moves cPanel accounts between servers, why transfers stall or lose email, and how to cut over DNS safely.