Tech Blog

Learn how to set up DKIM, SPF, and DMARC in Plesk to fix email deliverability and stop emails landing in spam. Step-by-step guide.

How to verify WHM backups are complete and restorable: integrity checks, test restores, database validation, and automated verification scripts for cPanel hosting.

Find out how many websites one DirectAdmin server can handle and the warning signs it's time to scale, upgrade, or switch to managed server hosting.

Tune PHP-FPM in DirectAdmin for maximum performance — covers pool modes, pm.max_children calculation, OPcache setup, slow log diagnostics, and fixing 502 errors.

DirectAdmin FTP not working? Fix passive mode errors, blocked port ranges, CSF firewall issues, and NAT IP mismatches with this complete step-by-step troubleshooting guide.

What does managed server support really cost in 2026? Compare pricing models, plans, and what's included before you hire a provider.

How to configure Plesk email rate limiting at server, domain, and mailbox levels to prevent outbound spam, protect IP reputation, and stop compromised account abuse.

Step-by-step guide to configure a cPanel/WHM SMTP relay (smarthost) in Exim for SendGrid, Amazon SES, and Mailgun — including authenticated relay setup and SPF record updates.

Plesk SSL not renewing? Fix every Let's Encrypt renewal failure — HTTP-01 challenge errors, DNS TXT mismatches, rate limits, and Nginx redirect conflicts — with exact CLI commands.

DirectAdmin server load average too high? Diagnose the cause — MySQL, PHP-FPM, or bot traffic — then fix it with OPcache tuning, MySQL optimisation, and PHP-FPM pool sizing.

Compare the best hourly Linux server support options for startups with no in-house sysadmin. Learn what to look for and why pay-as-you-go beats hiring full-time.

How to evaluate cPanel-to-Plesk migration providers for e-commerce stores, with a vendor checklist covering downtime guarantees, rollback plans, and data integrity.

Master zero-downtime server migration with CDC, dual-write sync, and blue-green deployment strategies. Prevent costly downtime.

Fix cPanel/WHM backup destination failures on S3, FTP, and SFTP. Step-by-step diagnosis with WHM logs, timeout fixes, credential checks, and firewall solutions.

Troubleshoot cPanel backup failures from disk space issues. Learn what causes backups to fail and how to fix it fast.

Complete guide to configuring Linux server firewall rules in Webmin — set default DROP policy, allow web/mail/SSH ports, block malicious IPs, and prevent SSH lockouts.

Fix the cPanel/WHM Transfer Tool when it stalls or gets stuck on Waiting for cPanel Backup. Step-by-step diagnosis, SSH timeout fixes, and manual migration fallbacks for large accounts.

Fix cPanel/WHM remote backup failures to FTP, SFTP, and Amazon S3. Step-by-step diagnosis of timeout, credential, and transport errors.

Preparing for a PCI compliance audit? Use this vendor checklist to choose the right ecommerce server hardening provider before your assessor arrives.

How media streaming platforms plan and execute a zero-downtime server migration in 2026 — covering CDN cutover, data integrity, DRM continuity, cost, and rollback planning.

Comparing server management companies for media streaming platforms in 2026 — uptime, CDN coordination, load handling and how to choose the right partner.

Fix DirectAdmin PHP version change not working. Step-by-step guide covering domain-level overrides, CustomBuild build and rewrite_confs, PHP-FPM mode, and version verification.

Fix Plesk Let's Encrypt auto-renewal failures — covers Keep Secured toggle, renamed certificates, HTTP-01/DNS-01 ACME errors, rate limits, and CLI renewal commands.