One-click unsubscribe: List-Unsubscribe-Post headers explained
How RFC 8058 one-click unsubscribe works: the two headers, the DKIM requirement, why redirects are banned, and what Gmail and Yahoo expect from you.
Deep dives, practical guides, and incident analyses from engineers who build Safeguard. No fluff, no vendor FUD — just what you need to ship secure software.
How RFC 8058 one-click unsubscribe works: the two headers, the DKIM requirement, why redirects are banned, and what Gmail and Yahoo expect from you.
A first week checklist for new developers covering installers, checksums, sign in, scanning a project, and the habits that keep dependencies healthy.
A desktop runner, a low level inference engine and a high throughput server solve different problems. How to pick based on users, hardware and control.
Ollama unloads idle models after five minutes by default, so the next request pays a load cost. How keep_alive and OLLAMA_KEEP_ALIVE change that.
Ollama's FAQ says the default context window is 4096 tokens. How to see when you hit it, and three ways to raise it without running out of memory.
OLLAMA_NUM_PARALLEL and OLLAMA_MAX_LOADED_MODELS control concurrency and memory. What the FAQ says, and how to size them for a few developers.
Normalization maps different log formats to common field names. How OCSF and Elastic Common Schema differ in aim, and when a small custom schema is enough.
Use OAuth wherever your client supports it. Use an MCP key only for clients that can send nothing but a fixed Authorization header. Here is the reasoning.
The OAuth 2 settings worth getting right: authorization code with PKCE, no implicit flow, minimal scopes, state, and rotating refresh tokens.
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