Running your own mail server?
Make sure it's secure and trusted. In my latest blog post on OpenTech Pulse, i cover the four essential building blocks:

✅ SPF
✅ DKIM
✅ DMARC
✅ MTA-STS

Learn how to protect your domain from spoofing, phishing, and delivery issues.

#EmailSecurity #SelfHosting #SPF #DKIM #DMARC #MTASTS #OpenTechPuls

https://www.opentechpulse.org/Securing-Your-Self-Hosted-Mail-Server