All tools
Measuring · 1 of 603 stories
Google Postmaster Tools
Who uses it, and for what
One row per story. The grade is for the claim that the business uses this tool, not for its revenue.
| Story | What it does there | When | Cost stated | Grade | Source |
|---|---|---|---|---|---|
| MailCheap | Gives Gmail's daily spam rate, which MailCheap uses to count complaints on its public deliverability page. | C | MailCheap deliverability page: live delivery, bounce and spam rates, to 8 November 2026 |
Grade A: the tool's maker or a payment processor confirms the use. Grade B: an independent report, or the tool is visible in public code. Grade C: the founder or the company says so.
Other tools for the same job
Measuring, with the number of stories that use each.