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This book documents my networking journey, combining hands-on experience from building and managing a home lab with structured study toward the CompTIA Network+ certification. It brings together practical notes, configurations, and troubleshooting steps gained...

We’ve added a new guide to help schools improve their email security and deliverability by correctly setting up SPF, DKIM, and DMARC within Microsoft 365. Check it out in the documentation. 

These are notes that I use to help me in my 2nd line role.