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Module 9 · Lesson 28 of 37

Google Postmaster Tools & Microsoft SNDS

Part of The Complete Email Deliverability Course — Monitoring & Analytics.

Google Postmaster Tools V2 (Oct 2025):

  1. Sign in at gmail.com/postmaster
  2. Add domain (DKIM d= or SPF Return-Path domain)
  3. Verify via DNS TXT record
  4. Allow 48 hours for data

Compliance Status dashboard shows Pass/Fail for: SPF, DKIM, DMARC, From alignment, TLS, one-click unsubscribe, spam rate

Microsoft SNDS:

  1. Portal: sendersupport.olc.protection.outlook.com
  2. Enter sending IPs, verify via WHOIS
  3. View per-IP per-day data: 🟢🟡🔴 filter results
  4. Requires 100+ messages/day
  5. Covers consumer mailboxes only, not M365 business
  6. Data retained for 90 days

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Beat · paid monitoring

A heartbeat for your email.

Beat runs every check on this site on a schedule — 41 checks, 34 blacklists, real inbox placement — and the moment something breaks it tells you what broke, why it matters, and the exact fix.

Get early access to BeatSee what Beat watches
example.comWatching
  • SPFpass
  • DKIMpass
  • DMARCp=none
  • Blacklists0 of 34

Illustrative. Your domain, every few hours.

Also from us:Pulse — your own sending infrastructureConsulting — $65/hr, no retainer