CS615 System Administration, Week 08, Segment 3 - E-Mail, Part III
Channel: cs615asa
Date: 2021-03-30

In this video, we look at ways to combat Spam. In the process, we learn about email headers, the Sender Policy Framework (SPF), DomainKeys Identified Mail (DKIM), and Domain-based Message Authentication, Reporting and Conformance (DMARC). SMTP doesn't seem quite so simple any more...

Slides for this lecture: https://stevens.netmeister.org/615/08-smtp-III.pdf
Course Website: https://stevens.netmeister.org/615/

Outline:
00:00 Introduction
00:40 SMTP headers
07:08 Mail Relay
11:13 Spoofing "From"
13:46 Sender Policy Framework
18:50 Forwarded mail and the "Received:" header
22:12 DomainKeys Identified Mail
26:41 DMARC
30:17 Summary