spf topic

Compact large SPF chains into flat blocks of IP addresses

cetanu

Hermes Secure Email Gateway is a Free Open Source Ubuntu 20.04 LTS Server based Email Gateway that provides Spam, Virus and Malware protection, full in-transit and at-rest email encryption as well as...

deeztek

ThunderSec is a security plugin for Mozilla Thunderbird that creates several pieces of additional security functionality, including DNSBL, RBL, SURBL, DKIM and SPF.

itemir

CanIBeSpoofed is a console project utilising functionality built for the https://caniphish.com/free-phishing-tools/email-spoofing-test website. This project facilitates scanning of domains to gain vis...

CanIPhish

Sender Policy Framework

zaccone

Parse SPF record and determine if client IP is allowed to send email.

asggo

PowerShell Module for checking SPF, DKIM and DMARC-record.

T13nn3s

Postfix SRS forwarding agent

zoni

Another utility to analyze state of deployment of security-related email protocols.

foxcpp

SPF (Sender Policy Framework) implementation in Go [mirror]

albertito