palerdot

#!/usr/bin/env python
import redis
r = redis.StrictRedis(host='localhost', port=6379, db=0)

# To debug code on a single key you can use this instead of the for loops:
# key = r.randomkey()

# Delete all keys not accessed since 'idletime'
for key in r.scan_iter("*"):
    idle = r.object("idletime", key)

palerdot

Let's Encrypt / Dovecot / Postfix / UFW firewall / Certbot

This tutorial describes how to install TLS to a mail server consisting of Postfix and/or Dovecot by using Let's Encrypt certificates with automatic renewing and firewall management.

The system used for this tutorial was:

$ lsb_release -idrc
Distributor ID: Ubuntu