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SPF, DKIM and DMARC are three DNS records that let receiving servers tell your real email from forgeries. Here is what each does and the safe order to set them up. … Read More

A printer that shows Offline while it is on has usually lost contact with the PC. Here are the fixes in order, from two-minute checks to the settings behind repeat problems. … Read More

Cat6 handles 10 Gbps only up to about 55 meters. Cat6a handles it to 100. Here is where each makes sense in an office or store. … Read More

A PoE switch sends power and data over one Ethernet cable. Here is how the standards differ and how to add up the power budget before you buy. … Read More

Windows 10 support ended on October 14, 2025. Here are the three options for a small business, how to check whether a PC can run Windows 11, and a sensible order of work. … Read More

How to write an IT disaster recovery plan – inventory, RTO/RPO, backup strategy, recovery procedures, roles and testing, with a plan outline to copy. … Read More

How to write a business continuity plan for a small business – business impact analysis, risk assessment, recovery strategies, testing, and a template outline. … Read More

How to map a network drive in Windows using File Explorer or the command line, make it reconnect at sign-in, fix drives that won’t reconnect, and map to a NAS. … Read More

Outlook not receiving emails? Work through Work Offline, junk and Focused Inbox, rules and blocked senders, a full mailbox, and server-side issues. … Read More