How to Disable Microsoft Email Reactions by Adding a Postfix Header

Summary

The article discusses the author's frustration with Microsoft's email reaction feature, where recipients using Microsoft email services can send reactions (like thumbs-up or heart) to emails, which then generate separate notification emails to the sender. The author, who is not in the Microsoft ecosystem, finds these reaction notifications unwanted and describes a technical solution: adding a specific header to outgoing emails to disable this feature. The content focuses on the annoyance of this automated feature and provides a technical workaround for those who want to opt out.