A personal technical blog by a Swiss security practitioner covering self-hosted mail filtering with Rspamd and MailCow, pfSense firewalls on Azure, and Exchange Online security settings. Readers get concrete, step-by-step configuration guidance for security and mail administrators.
Website: https://www.error.ch/
A weekday newsletter delivering five concise analyses of international affairs, each pairing news with historical context, an explicit judgment and a business-relevance note. Written by former diplomats, it also opens each issue with a classical artwork and light humor.
Zitamar News delivers daily news and analysis on Mozambique, covering politics, security, energy and policy. Each issue pairs a reasoned leader article with reported items on business and government developments.
Weekly technical essays on software reliability and security, each unpacking a specific failure mode such as retry-induced double charges, MCP tool poisoning and AI-hallucinated package names. Posts use concrete scenarios, analogies and cited research or specifications to explain how the problems arise and why they matter.
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