
Mirror GitHub Repos to Gitea
For a long time, I’ve been thinking about how to keep my GitHub repositories regularly backed up. Losing...

Never Miss a Bounce Again – Track Postfix Failures
When you’re waiting for an important email that never arrives, it can be frustrating — especially when there’s...

Expunge old mails by folder and age in Dovecot
Keeping mailboxes lean is essential for performance and storage management on self-hosted email servers. Over time, folders like...

Quick and complete Maildir usage summary
Managing Maildir mailboxes across multiple users can quickly become a challenge. How do you find out who’s using...

Let’s Encrypt certificates behind a Load Balancer
Let’s Encrypt and Certbot make issuing and renewing TLS certificates easy — until your servers sit behind a...