Smarter mail serversΒΆ

Version 0.1: Notes on setting up a mailserver to detect phishing attacks and prevent MitM attacks. The below configurations were for a debian 9. Not much has changed.
Mail servers
- Types of mail servers
- Securing Postfix: MTA & SASL authentication essentials
- DNSSEC: Better than nothing, but not a silver bullet
- Securing email transport: TLS, DANE & MTA-STS
- SPF: The first line of defence against email fraud
- Domain Keys Identified Mail (DKIM)
- Domain-based Message Authentication, Reporting and Conformance (DMARC)
Last update:
2025-05-19 17:28