Google Postmaster Tools
Google’s official dashboard for domain reputation, spam rate, and authentication success at Gmail.
- Reading time:
- 5 min
- Difficulty:
- Intermediate
- Estimated duration:
- 5 min
- Prerequisites:
- None
- Last updated:
- 2026-07-15
- Author:
- empire
Overview
Google’s official dashboard for domain reputation, spam rate, and authentication success at Gmail.
Vendor: Google
Primary purpose
Monitor how Gmail sees your domain’s reputation, spam rate, and authentication.
Best for
- Senders with meaningful Gmail volume
- Investigating Gmail spam-folder placement
Common use cases
- Track domain and IP reputation trends at Gmail
- Correlate spam-rate spikes with campaigns
- Verify SPF/DKIM/DMARC success ratios
Advantages
- Direct signal from Gmail
- Free for verified domains
- Essential during reputation incidents
Limitations
- Gmail-only vantage point
- Low-volume domains may see sparse data
When not to use it
- You send almost no mail to Gmail
- You need multi-provider seed-based inbox placement
Pricing
Free with a Google account and domain verification.
Official website
Inputs and outputs
Typical inputs
- Verified sending domain
Typical outputs
- Reputation charts
- Spam rate
- Auth success rates
Privacy notes
- Review each vendor’s data handling before uploading production lists or message content.
Related Learn Articles
Related Solve Articles
- Gmail spam folderMail authenticated for your domain is accepted by Gmail but filed to Spam.
- Domain reputation degradedAuthenticated domain identity is treated as untrusted despite IP changes.
- BlocklistsA sending IP or domain appears on a DNS blocklist used by receivers or downstream filters.
- Failed reputation recoveryRemediation attempts stall because harmful traffic or volume ramps continue.
- High bounce ratePermanent or repeated delivery failures indicate poor list quality and hurt reputation.
- High complaint rateSpam reports exceed provider expectations and are damaging IP or domain reputation.
- IP reputation degradedA sending IP is throttled, junked, or rejected due to accumulated negative signals.
- Missing reputation monitoringNo FBLs, postmaster views, or bounce classification are in place to detect damage early.
- Shared IP neighbor damagePoor practices from other senders on a shared IP are poisoning delivery outcomes.
- Spam trap hitsMail is reaching trap addresses, signaling acquisition or hygiene failures.
Alternatives & related tools
- GlockAppsInbox placement and deliverability testing across major mailbox providers.
- Inbox MonsterDeliverability and inbox placement platform for monitoring campaign performance at scale.
- Microsoft SNDSSmart Network Data Services — Microsoft’s IP reputation and spamtrap activity views for Outlook/Hotmail.
Related Workflows
- Monitor reputationInstrument FBLs, bounce classes, and provider reputation dashboards with alert thresholds.
- Recover from Gmail spamExit Gmail Spam using Postmaster signals, authentication fixes, and controlled volume.
- Improve inbox placementDiagnose why accepted mail misses the inbox and remediate reputation, auth, and engagement.
- Recover domain reputationContain domain-level damage, clean the audience, and rebuild volume on the same domain.