Google Postmaster Tools
Google Postmaster Tools is an email deliverability tool from Google that shows how Gmail views a sender's domain · google.com ↗
Read the same way at every company size.
The standing depends on who is buying. Every model is asked the same questions for each company size.
GlockApps is first at 25%.
GlockApps is first at 38%. 0 of 14 models made it the first choice when asked directly.
Validity Everest is first at 46%.
Why models recommend it
“For maximum budget efficiency, start with Google Postmaster Tools and MXToolbox, which are both free”Claude Haiku 4.5 · Budget-constrained question · first choice
“Best first step for monitoring Gmail delivery, spam reports, authentication, and delivery errors.”GPT-6 Luna · Budget-constrained question · first choice
“If you are starting out, begin with Google Postmaster Tools (free, essential for Gmail data)”Qwen 3.7 Flash · Comparative question · first choice
“1 | Google Postmaster Tools | Free | Set up and monitor spam rate & authentication”GLM 4.7 FlashX · Budget-constrained question · first choice
What gives them pause
“tools such as Google Postmaster Tools are valuable, but Gmail data can be delayed or unavailable at low volume”Perplexity Sonar · Negative question · warning
“valuable if you send enough to Gmail to get data, but it's not a full inbox placement tester”GPT-5.4 mini · Comparative question · warning
Also on the shortlist
The products named in the same answers as Google Postmaster Tools, over the 84 answers that named it, and how often each was the first choice instead.
| Product | Named together | Picked instead | |
|---|---|---|---|
| 70 | 26 | Compare → | |
| 50 | 1 | Compare → | |
| 44 | 2 | Compare → | |
| 41 | 0 | View → | |
| 34 | 14 | Compare → | |
| 33 | 1 | Compare → | |
| 30 | 1 | Compare → | |
| 29 | 1 | Compare → | |
| 24 | 1 | View → | |
| 19 | 0 | View → |
What the models named instead of Google Postmaster Tools →
A side-by-side page exists where both products are among a category's top eight.
At a glance
Stated on Google Postmaster Tools's own site, not checked by Gane.
- Headquarters
- Mountain View, California, United States
- Founded
- 1998
- Also from Google
- Adometry, Attribution 360, BigQuery, Firebase, Google ADH, Google Ad Manager and 83 more
How this is measured
Fourteen AI models from 12 labs are asked the same buying questions six ways, for three company sizes. Standings refresh every edition.
Gane sells AI visibility software. No company can pay to change a result.
Read the method →Sources returned with these answers
Fourteen of the fourteen models returned a source list in this edition: five return the pages they cited and nine the search results they consulted. These counts come from 83 of the 84 answers that named Google Postmaster Tools and are not a share of its labels.
Domains cited
253 of the 253 domain citations in answers naming Google Postmaster Tools came from a third party's page.
Pages cited
Pages are listed as the models cited them.
By model
| Model | First choice | Alternative | Mention | Warning | Labels |
|---|---|---|---|---|---|
| Claude Haiku 4.5 | 1 | 1 | 0 | 0 | 2 |
| GPT-5.4 mini | 0 | 0 | 0 | 1 | 1 |
| Gemini 3.5 Flash | 1 | 1 | 0 | 0 | 2 |
| Perplexity Sonar | 0 | 4 | 0 | 1 | 5 |
| Grok 4.20 | 1 | 2 | 1 | 0 | 4 |
| Mistral Small | 0 | 2 | 0 | 0 | 2 |
| DeepSeek V4 Flash | 1 | 3 | 0 | 0 | 4 |
| Llama 4 Maverick | 0 | 0 | 0 | 0 | 0 |
| Qwen 3.7 Flash | 1 | 1 | 0 | 0 | 2 |
| Kimi K2 | 0 | 1 | 0 | 0 | 1 |
| GLM 4.7 FlashX | 1 | 1 | 0 | 0 | 2 |
| MiniMax M2.5 | 1 | 0 | 0 | 0 | 1 |
| GPT-6 Luna | 1 | 2 | 1 | 0 | 4 |
| Muse Glimmer 30B | 0 | 4 | 0 | 0 | 4 |