Work in progress slides for my workshop about email security and PGP. The slides are only available in German for now.
The simple PHP script to demonstrate mail spoofing (spoofer.html and send.php) will only work on a server with PHP enabled. But please do not make this script publicly available on your server, since this will result in heavy abuse for spamming.
About email security and PGP by Simon Hötten is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.
Based on a work at https://github.com/shoetten/pgp.