Sender Ledger

Identify every authorised sender, remediate SPF and DKIM alignment failures, verify repairs and know when your domain is safe for p=reject.

Popular posts: 1
Total points: 138
HN comments: 40
Rank: #8,048 company

Visit senderledger.com → On Hacker News Aug 2026 – Aug 2026

Security & Privacy 1 Networking & Internet 1

Most points Most discussed Most cited Newest

What DMARC Protects You From, and What It Does Not

2026138 points40 comments Security & Privacy details

DMARC verifies a domain owner authorised an email; it does not verify the email is safe. Where DMARC helps, where it falls short, and why authentication is not trust.