Google Postmaster is a free tool that provides users with in-depth data and analytics to help them understand how their emails are performing in Gmail. This tool provides senders with data on various metrics such as spam rate, domain reputation, email authentication, and delivery errors. By analyzing these metrics, you can identify the issues that may be causing your emails to be marked as spam or not delivered. You can signup for Google Postmaster here: https://gmail.com/postmaster/Documentation Index
Fetch the complete documentation index at: https://loops.so/docs/llms.txt
Use this file to discover all available pages before exploring further.
Learn
Guides
- All guides
- Shortened YouTube links warning
- Deliverability optimization
- Improve your inbox placement
- Sending to large audiences
- Subdomains vs root domains
- Building your sender reputation
- Send transactionals to group inboxes
- Insights from Google Postmaster
- Email open rates
- Add a sending avatar
- Maintaining a clean list
- Send to “Hide my email” addresses
- Sending from multiple domains
- Migrating domains
Deliverability
Insights from Google Postmaster
Gmail doesn’t report spam reports to Loops, so setting up Google Postmaster is key to getting an idea of your deliverability performance in Gmail.
Last modified on August 13, 2025
Was this page helpful?
⌘I