Buying Guide 5 min read
SMTP Port 25 and Actually Getting Email Delivered
Port 25 being open is the least interesting part of email deliverability. Authentication, reputation and consent do the real work.
Cloud resources
Cloud Infrastructure Blog
Practical guidance on cloud accounts, provider selection, infrastructure sizing and post-transfer operations.
Buying Guide 4 min read
Cloud Credits Explained: What They Cover and What They Do Not
A credit balance is a spending allowance, not a capability. The distinction decides whether an environment is useful or merely well funded.
Buying Guide 4 min read
Cloud Account Ownership Transfer: What Complete Actually Means
A transfer is not complete when you can log in. It is complete when nobody else can, and that is a longer list than most people…
Buying Guide 4 min read
How to Evaluate a Cloud Account Listing Before You Buy
An attractive price does not compensate for an account you cannot fully control. These are the questions worth insisting on answers to.
Security & Operations 5 min read
Incident Readiness: Deciding Things Before You Need To
Incidents are not the time to make decisions. Preparation is deciding, in advance, what will happen — so the response is execution rather than invention.
Security & Operations 4 min read
Monitoring and Alerting: Signals Worth Waking Someone For
Most monitoring setups alert on everything and therefore on nothing. A small number of well-chosen signals beats a wall of dashboards.
Security & Operations 4 min read
Backups and Snapshots: The Difference, and Why It Matters
A snapshot in the same account, in the same region, on the same provider is not a backup. It is a convenience that fails in exactly…
Security & Operations 4 min read
Budget Alerts and Cost Control That Actually Catch Problems
A monthly budget alert that fires at 80% tells you about a problem three weeks after it started. Here is what to set up instead.
Security & Operations 4 min read
Credential Rotation and MFA: The Routine That Prevents Most Incidents
Most cloud compromises trace back to a credential that should not have existed or should have been rotated. Both are process problems, not technology problems.
Security & Operations 5 min read
The Post-Transfer Hardening Checklist for a Cloud Account
Treat any environment that changes hands as a system of unknown provenance. This is the order to work through, and why each step is in that…
Cloud Providers 5 min read
DigitalOcean Droplets: Sizing, Networking and What You Actually Get
DigitalOcean's appeal is that a Droplet is just a virtual machine with a public IP and root access. The nuance is in plan type, bandwidth pooling…
Cloud Providers 5 min read
Azure Subscriptions, Tenants and Resource Groups Explained
Azure separates identity from billing more sharply than any other major platform. A subscription can be moved between tenants, which makes "who owns this" a question…
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