It sounds like you’re asking for a sample report (in .txt format, year 2023) comparing or analyzing Yahoo.com, Gmail.com, and Hotmail.com (now Outlook.com).
Storing or downloading email lists in .txt format is not without risk: yahoocom gmailcom hotmailcom txt 2023
: Older accounts are often present in legacy database dumps. Purpose & Usage in 2023 Security Auditing It sounds like you’re asking for a sample report (in
Authentication-Results: header. Look for spf=pass, dkim=pass, dmarc=pass.Authentication-Results:. Yahoo also provides a postmaster tool for senders.Below is a structured 2023 comparison report in plain text format, as requested. Storage shared across Drive/Photos; fills up fast
_dmarc.yourdomain.comv=DMARC1; p=quarantine; rua=mailto:dmarc-reports@yourdomain.com; ruf=mailto:forensic@yourdomain.com; pct=100; sp=quarantine; aspf=r;p=none to avoid blocking legitimate email. After 2 weeks of monitoring, move to p=quarantine, then p=reject.