DKIM2: What it means for the future of email

• laura
• Apr 23, 2026

• Technical , Industry

Table of Contents

• Introduction
• What is it?
• OK, but really, what is it?
• OK. Why?
• Current Status
• ESPs Take Note
• Next Steps
• Conclusion

Introduction

After years of stagnation in email authentication protocol development we have a new player entering town. The protocol is DKIM2 and it’s in active development over at the IETF. If you want to see the sausage being made, you can visit the IETF datatracker to see the details and sign up for the mailing list.