Set up Active Directory and DNS on Windows Server 2025
A complete guide to installing the Active Directory Domain Services role, promoting a domain controller, and configuring DNS on Windows Server 2025, with verification and troubleshooting.
Operations
Configure SPF, DKIM, and DMARC on a mail VPS
Hướng dẫn cấu hình SPF, DKIM, DMARC trên VPS mail để email không vào spam, tăng tỷ lệ gửi thành công. Kèm lệnh kiểm tra và xử lý lỗi.
Operations
Configure DNS records for your domain: A, CNAME, MX, TXT
A practical guide to configuring A, CNAME, MX, and TXT DNS records for your domain. Includes commands, verify steps, and troubleshooting for a VPS environment.
Operations
SPF, DKIM and DMARC on a self-hosted SMTP server
A step-by-step guide to configuring SPF, DKIM, and DMARC on your self-hosted SMTP server to improve email deliverability and prevent spoofing.