spf topic
dmarc-report-converter
Convert dmarc reports from xml to human-readable formats
PHP-SPF-Check
Simple library to check an IP address against a domain's SPF record
SPFtoolbox
SPFtoolbox is a Javascript and PHP app to look up DNS records such as SPF, MX, Whois, and more
maddy
✉️ Composable all-in-one mail server.
spf-tools
Shell scripts for taming the SPF (Sender Policy Framework) records in order to fight 10-maximum-DNS-look-ups limit.
espoofer
An email spoofing testing tool that aims to bypass SPF/DKIM/DMARC and forge DKIM signatures.🍻
spoofcheck
Simple script that checks a domain for email protections
trustymail
Scan domains and return data based on trustworthy email best practices
Haraka
A fast, highly extensible, and event driven SMTP server