I don’t have a great history with mail servers. At sixteen, I accidentally created an open relay while trying to self-host sendmail and Postfix, and got the family’s IP address blacklisted. I haven’t ...

A 16-year-old Linux kernel vulnerability, dubbed Januscape, allows attackers to escape a virtual machine and execute ...

MTA-STS policy overrides DANE TLS authentication against RFC 8461, 2. If you don't need redis or sqlite support, you may omit one of them in square brackets. If you don't need any of them and you plan ...

Learn the important things to back up before reinstalling your Linux system. SSH/GPG keys, dotfiles, packages, browser data, 2FA and more.