There are 3 repositories under spoofing-emails topic.
Bash script to check if a domain or list of domains can be spoofed based in DMARC records
Mailspoofsent is a Bash script that sends an email using the smtp.mailfrom and header.from addresses specified by the user. It also changes some configuration values that are required to spoof email bypassing spam filters.
https://t.me/Man22643
Script en Bash que comprueba un dominio o una lista de dominios desde un archivo que puedan ser suplantados en base a los registros DMARC.