Mail Security
Background
- How to Implement DMARC/DKIM/SPF to Stop Email Spoofing/Phishing: The Definitive Guide - DMARCLY
- [Everything you need to know (or almost) about the "MailFrom" address! (badsender.com)](https://www.badsender.com/en/2021/11/15/all-knowing-or-almost-about-mailfrom/#:~:text=The%20%22FROM%22%20address%20or%20sender,origin%20of%20the%20message%20(cf.)
- DKIM Alignment - what it means for improving DMARC (mxtoolbox.com)
- SPF Alignment - what it means for improving DMARC (mxtoolbox.com)
- SPF and DKIM Alignment: What are they and why do they matter? (spamresource.com)
- What is a DNS MX record? | Cloudflare