Email spoofing prevention for businesses: the forms spoofing takes, how SPF, DKIM and DMARC stop exact-domain forgery, and how to handle lookalikes.
What Mautic offers for open source marketing automation: contacts, segments, campaigns and email, plus hosting, deliverability and privacy essentials.
The HTTP security headers every site should send, with recommended values, Nginx and Apache examples, and which old headers to drop.
The most common app store rejection reasons on Apple and Google Play, from crashes and privacy gaps to payment rules, and how to avoid each one.
What DNSSEC protects against, how the chain of trust works, how to enable it with your registrar and DNS host, and the mistakes that take domains offline.
A practical guide to ERP implementation: phases, team roles, data migration, testing, go-live planning and the mistakes that derail ERP projects.
How to read and debug JSON API responses: using a JSON formatter, spotting syntax errors, checking status codes and headers, and avoiding data-type traps.
Managed vs unmanaged server hosting explained: who handles updates, security, backups and support, the real costs of each, and how to choose.
A reference to common ports for web, email, remote access, databases and VPNs, with TCP/UDP details and which ones should never face the internet.
Realistic AI for small business: use cases across sales, finance, operations and support, what each needs to work, and when AI is the wrong tool.
Rehost, replatform, refactor, repurchase, retire or retain? How to pick the right cloud migration strategy for each of your applications.
An email deliverability checklist for businesses covering DNS authentication, sending infrastructure, list hygiene, content and ongoing monitoring.
