User:Maslen/Books/Email Security
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Email Security
[edit]Sender authentication
[edit]- Open mail relay
- Sender Policy Framework
- DomainKeys Identified Mail
- DMARC
- MTA-STS
- For MTA STS, also see https://www.hardenize.com/blog/mta-sts
Encryption
[edit]- GNU Privacy Guard (GPG)
- Pretty Good Privacy (PGP)
- S/MIME
Details
[edit]Ways to analyze email heades:
- Security analysis (SPF/DKIM/DMARC/etc.)
- Latency analysis
Tools for Analyzing SMTP Headers:
- https://toolbox.googleapps.com/apps/messageheader/
- https://www.arclab.com/en/kb/email/how-to-read-and-analyze-the-email-header-fields-spf-dkim.html
- https://www.whatismyip.com/email-header-analyzer/
- https://mediatemple.net/community/products/dv/204643950/understanding-an-email-header
- https://www.cnet.com/how-to/how-to-analyze-e-mail-headers-the-easy-way/