---
title: "Linux"
url: "https://mailmum.io/tags/linux/"
---

# Linux

- [Howto Block the Spamhaus DROP Lists with ufw](https://mailmum.io/posts/howto-block-spamhaus-drop-lists-with-ufw/): Block the Spamhaus Do Not Route Or Peer (DROP) lists on a Linux server with ufw, ipset, and a small update script that keeps the data fresh.
- [Sending Test Emails from Shell](https://mailmum.io/posts/sending-test-emails-from-shell/): Sending test emails from shell using command mail and mutt, adding content and even attachments.