Increasing Privacy in Mail Clients

Mail clients are notorious for sending information not really required for mail conversations. They leak their identity and version number, sometimes even the operating system in User-Agent and X-Mailer headers. They leak the locally set time zone in the Date header. And sometimes they leak the private IP addresses during mail sending. Here I document some settings to hide this information in my preferred mail clients. Note: Hiding this metadata might not be enough to fully disguise your choice of mail clients....

September 10, 2023 · Mynacol