Guides
Practical guides for modern business IT.
Email, cloud, security, websites and networking — clear advice for Melbourne teams, with free tools where they help.
Start here
Recommended reading order
New to business IT? Work through these guides in order — email setup, cloud onboarding, security, then support.
- 1Managed IT1 Mar 2026
What is a managed IT service?
A plain-language explanation of managed IT — what is included, who it suits, and how it differs from calling someone only when something breaks.
- 2Security22 Mar 2026
Essential Eight for small business
What the ACSC Essential Eight maturity model means in practice — and a realistic path for Melbourne SMEs.
- 3Email15 Sept 2025
Fix SPF for Microsoft 365
Stop legitimate email bouncing or landing in spam by getting your SPF record right for Microsoft 365.
- 4Websites25 Apr 2026
Which website technology stack should you use?
WordPress, page builders, or modern frameworks — how Melbourne businesses should choose a stack for speed, security and longevity.
Fix SPF for Microsoft 365
Stop legitimate email bouncing or landing in spam by getting your SPF record right for Microsoft 365.
Inside this guide
- Why SPF matters
- The Microsoft 365 include
- Check before you change
What is bufferbloat?
Why video calls lag when someone starts a download — and how to measure it on your connection.
Website security headers explained
HSTS, CSP and the headers that improve trust, SEO and protection against common attacks.
- Start with the basics
- Check what you already have
Set up DMARC for your business
Move from none to quarantine with a policy that protects your domain from spoofing without breaking legitimate mail.
- What DMARC actually does
- Start with monitoring
Microsoft 365 onboarding checklist
The setup steps most small businesses miss — identity, email, devices and security in the right order.
What you will learn
- 1Identity first
- 2Email and DNS
- 3Devices and data
Signs your business needs managed IT
When break-fix stops scaling — and what good ongoing support should look like for a growing Melbourne team.
- Reactive firefighting
- No single view of your stack
Why is my website slow?
Hosting, images, scripts and caching — the usual suspects behind sluggish load times and poor Core Web Vitals.
MFA for business teams
Why every account needs a second factor — and how to roll it out without locking staff out on Monday morning.
- Passwords are not enough
- Choose the right methods
Business Wi‑Fi vs a home router
Why consumer gear struggles in offices — and what to look for in access points, VLANs and guest networks.
- Density and reliability
- Segmentation matters
Domain expiry and DNS basics
How registration, nameservers and records fit together — and how to avoid your site and email going dark overnight.
What is a managed IT service?
A plain-language explanation of managed IT — what is included, who it suits, and how it differs from calling someone only when something breaks.
- Managed IT in one sentence
- What is usually included
How much does managed IT cost in Melbourne?
Typical pricing models, per-user ranges, and what drives the quote up or down for Melbourne small businesses.
Managed IT vs break-fix support
Compare reactive hourly IT with ongoing managed services — cost, risk, and which model fits your team.
- Break-fix: pay when it hurts
- Managed IT: pay for prevention
Essential Eight for small business
What the ACSC Essential Eight maturity model means in practice — and a realistic path for Melbourne SMEs.
- What the Essential Eight is
- Start where attackers start
Microsoft 365 security checklist
A practical checklist for Entra ID, Exchange Online, SharePoint and Teams — the settings Melbourne admins most often miss.
Email security best practices
Reduce phishing, spoofing and invoice fraud with authentication, filtering, and habits your team can maintain.
- Authenticate your domain
- Filter before the inbox
Website design cost in Melbourne
What drives quotes for business websites in Melbourne — templates, custom builds, ongoing support, and realistic budgets.
What you will learn
- 1What you are buying
- 2Typical Melbourne ranges
- 3Ongoing costs
- 4How to compare proposals
Which website technology stack should you use?
WordPress, page builders, or modern frameworks — how Melbourne businesses should choose a stack for speed, security and longevity.
- Match stack to outcomes
- WordPress and page builders
Why business websites get hacked
The common causes — outdated plugins, weak passwords, bad hosting, and missing patches — and how Melbourne businesses reduce risk.
OneDrive vs SharePoint for business
When to use OneDrive, SharePoint, or both — file ownership, team sites, and common mistakes Melbourne businesses make in Microsoft 365.
Cloud backup for small business
What to back up in Microsoft 365 and beyond, how cloud backup differs from sync, and how to know restores actually work.
- Sync is not backup
- What to protect
Hybrid cloud explained for small business
When to keep servers on-prem, what belongs in Microsoft 365 or Azure, and how hybrid setups stay secure and supportable.
- What hybrid means
- What usually stays on-prem
Microsoft 365 vs Google Workspace
A practical comparison for Melbourne businesses choosing email, files, and collaboration — strengths, trade-offs, and migration effort.
What you will learn
- 1Where each platform shines
- 2Files and collaboration
- 3Security and compliance
- 4Switching cost
Disaster recovery and cloud backups
RTO, RPO, and runbooks in plain language — how Melbourne businesses plan recovery when servers, sites, or Microsoft 365 fail.
- RPO and RTO defined
- Scenarios to plan for
What is DNS?
How the internet finds your website and delivers your email — explained without jargon for business owners.
- DNS in plain language
- Why businesses should care
A, CNAME, MX and TXT records explained
The DNS record types every Melbourne business touches — what each one does and common misconfiguration mistakes.
How to change DNS without breaking email
A safe order of operations when moving web hosts, adding Cloudflare, or switching to Microsoft 365 — keep mail flowing.
- Inventory first
- Lower TTL before cutover
DNS propagation — how long does it take?
Why DNS changes are not instant, what TTL means, and how to know when the world sees your new records.
- Caching everywhere
- Typical timelines
Cloudflare DNS for small business
When Cloudflare helps with speed and security, what the orange cloud means, and pitfalls for email and Microsoft 365.
Protect your domain from DNS hijacking
Registrar lock, 2FA, nameserver monitoring, and habits that stop attackers redirecting your site or email.
- How hijacking happens
- Registrar hygiene
What is DKIM?
How DKIM signing proves your email is authentic — and how to check it is working for Microsoft 365 and other senders.
- DKIM in plain language
- How it differs from SPF
How SPF, DKIM and DMARC work together
The three pillars of business email authentication — what each does, how they align, and the order to implement them.
Why does business email go to spam?
Authentication failures, reputation, content, and list hygiene — how Melbourne businesses improve inbox placement.
- Authentication is table stakes
- Reputation and volume
Shared mailbox vs distribution list in Microsoft 365
Which to use for info@, sales@, and team inboxes — licensing, replies, and permissions explained.
What you will learn
- 1Distribution lists (groups)
- 2Shared mailboxes
- 3When to pick which
- 4Security note
Business email compromise (BEC) — what to know
Invoice fraud, payroll redirection, and fake CEO requests — how Melbourne businesses reduce BEC risk.
- What BEC looks like
- Technical layers
How to enable DKIM in Microsoft 365
Step-by-step overview for turning on DKIM signing and publishing the DNS records Microsoft requires.
VPN for small business — when you need one
Site-to-site, remote access VPN, and modern zero-trust alternatives — what suits Melbourne offices and hybrid teams.
- What a VPN does
- When VPN still makes sense
Guest Wi‑Fi security for offices
How to offer visitor internet without exposing printers, servers, or staff devices on the same LAN.
Why is my office internet slow?
ISP plans, Wi‑Fi coverage, bufferbloat, and LAN bottlenecks — how to diagnose sluggish business connectivity.
- Define slow
- Plan and contention
Ethernet vs Wi‑Fi for business
When to cable desks, meeting rooms, and servers — and when modern Wi‑Fi is good enough for daily work.
What you will learn
- 1Ethernet wins on stability
- 2Wi‑Fi wins on flexibility
- 3Hybrid is normal
- 4Security angle
VLANs explained for small business
Split staff, guest, cameras, and servers on separate virtual networks — without enterprise complexity.
- What a VLAN is
- Typical SME layout
Secure remote access for hybrid teams
Beyond VPN — conditional access, MFA, and cloud-first patterns Melbourne businesses use for staff working from home.
Need a hand?
Run the tools. Then talk to us.
Use our free diagnostics to see what is wrong, then get Melbourne IT support for the fix.
