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OSH INSIGHTS / FIELD NOTES

Notes from the operations desk.

Rants, write-ups, and the occasional opinion about M365, Google Workspace, DMARC, GravityZone, and the rest of the stack we manage day to day.

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Every insight, newest first

Blogs

Email Signatures: The IT Problem Nobody Takes Seriously Until It's Embarrassing

Two kinds of companies have email signatures: those with a process, and those with Dave from sales. Why it matters at 10 people, and matters …

May 18, 2026 Read →
Blogs

We Built TamingDNS.com Because Our Clients Were Too Polite

OSH built TamingDNS.com because existing DNS tools explain nothing to a non-engineer. Here is why we made it and what it changed for our …

May 18, 2026 Read →

A Practical Guide to Mac Compliance with Hexnode and Intune

How to enforce real Mac compliance with Hexnode or Intune in 2026: FileVault, screen lock, OS updates, PPPC, ABM enrolment and the gaps to …

May 08, 2026 Read →
Blogs

An Exclaimer-Powered Marketing Plan: Turning Every Email Into a Touchpoint

A practical quarterly plan for using Exclaimer email-signature banners as a real marketing channel: segmented by OU, measured with UTMs, and …

May 08, 2026 Read →
Blogs

Bitdefender GravityZone Buying Guide: Tiers, Modules & Pricing

Which GravityZone tier should you actually buy? A practical breakdown of Business Security, Advanced, EDR and XDR for South African SMEs.

May 08, 2026 Read →

Bitdefender GravityZone Patch Management: Setup, Limitations, and What Breaks

How Bitdefender GravityZone Patch Management actually works, what apps it covers, where it falls short, and when to swap it for Intune or a …

May 08, 2026 Read →

Bitdefender GravityZone vs Microsoft Defender for Business: Which Wins?

Bitdefender GravityZone vs Microsoft Defender for Business: an honest 2026 comparison covering platforms, EDR depth, licensing, ZAR pricing …

May 08, 2026 Read →
Blogs

Bitdefender Housekeeping We Wish Every Client Did

A short, opinionated list of Bitdefender GravityZone housekeeping jobs every admin should be doing every month, and the failure modes when …

May 08, 2026 Read →
Blogs

Can You Manage Email Signatures Without Exclaimer? Pros and Cons

DIY email signatures without Exclaimer? Yes, you can. Here are the four options, what each one breaks, and when the licence pays for itself.

May 08, 2026 Read →

Controls You Should Never Give Up as a Business Owner

Nine controls every business owner should keep in their own name, even when fully outsourcing IT. Domains, tenants, admin accounts, …

May 08, 2026 Read →
Blogs

Cyber Insurance and DMARC: What Underwriters Actually Want to See

Cyber-insurance underwriters now read your DMARC policy tag, MFA scope, and EDR roster. Here is what a 2026 renewal questionnaire asks and …

May 08, 2026 Read →
Blogs

Deploying Bitdefender GravityZone Across Windows, macOS and Linux

How to deploy the Bitdefender GravityZone BEST agent on Windows, macOS and Linux without surprises: installer flags, MDM push, SELinux, …

May 08, 2026 Read →

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