Brandwave

Postmark vs PowerDMARC:Which is more popular?

In September 2026, PowerDMARC had more branded searches than Postmark among DMARC monitoring tools worldwide. PowerDMARC had about 2,900 branded searches, while Postmark had 1,590. PowerDMARC made up 11.7% of all DMARC monitoring tool searches we track, and Postmark accounted for 6.4%. When we asked ChatGPT and Google AI Overviews about DMARC monitoring tools, PowerDMARC appeared in all four answers and Postmark in three. Postmark and PowerDMARC were each mentioned first in two of the four answers.

Among DMARC monitoring tools worldwide in September 2026

Who do people search for more?

PowerDMARC, about 82% more searches than Postmark

PowerDMARC 2.9K searchesPostmark 1.6K searches

Who does AI mention more?

PowerDMARC, mentioned in every answer we collected

PowerDMARC in 4 of 4Postmark in 3 of 4

Who does AI recommend more?

Each is named first in 2 of 4 answers.

Postmark first in 2PowerDMARC first in 2

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Top DMARC monitoring tools in ChatGPT and Google AI Overviews

In three ChatGPT questions and one Google AI Overview, PowerDMARC appeared in all four answers. Postmark was mentioned in three out of four: in all three ChatGPT answers, but not in the Google AI Overview. Postmark and PowerDMARC were each listed first in two of the four answers.

Most recommended by AI

Brands get a higher ranking if they are mentioned earlier in the answers.

  1. dmarcian1st
  2. EasyDMARC2nd
  3. Postmark3rd
  4. PowerDMARC4th
  5. Valimail5th
  6. Red Sift6th
  7. Dmarcly–

Mentioned by AI

Each dot is one answer, filled in when that answer mentions the brand.

  • dmarcian4 of 4Named in 3 of 3 ChatGPT answersNamed in 1 of 1 Google answers
  • EasyDMARC4 of 4Named in 3 of 3 ChatGPT answersNamed in 1 of 1 Google answers
  • PowerDMARC4 of 4Named in 3 of 3 ChatGPT answersNamed in 1 of 1 Google answers
  • Valimail3 of 4Named in 3 of 3 ChatGPT answersNamed in 0 of 1 Google answers
  • Postmark3 of 4Named in 3 of 3 ChatGPT answersNamed in 0 of 1 Google answers
  • Red Sift1 of 4Named in 1 of 3 ChatGPT answersNamed in 0 of 1 Google answers
  • Dmarcly0 of 4Named in 0 of 3 ChatGPT answersNamed in 0 of 1 Google answers

See every answer about DMARC monitoring tools

4 answers

Not named in any answer:

Brands are shown in the order each answer named them. The survey took place in the United States on October 22, 2026.

Is Postmark or PowerDMARC more popular in search?

This chart shows how often people search Google for Postmark and PowerDMARC by name. Each line represents a brand's share of searches for all seven DMARC monitoring tools we track, month by month, from English-language searches worldwide.

Postmark and PowerDMARC among DMARC monitoring tools worldwide, by month

Share of searches by month for PowerDMARC, Postmark. The figures are in the table below the chart.

View monthly share of searches table
MonthdmarcianEasyDMARCValimailRed SiftPowerDMARCPostmarkDmarcly
Oct 202525.9%31.6%14.1%9.6%11.5%4.2%3.2%
Nov 202523.7%29%15.8%10.3%12.9%4.7%3.6%
Dec 202524.8%30.5%16.6%9%10.9%4.9%3.3%
Jan 202627.4%27.4%14.9%9.7%12.2%5.4%3%
Feb 202627.3%27.3%14.8%10.1%12.1%5.4%3%
Mar 202625.2%30.9%13.7%10.9%11.2%5.4%2.7%
Apr 202625%30.6%13.6%10.8%11.1%6.2%2.7%
May 202629%29%12.9%10.3%10.4%5.7%2.6%
Jun 202624.7%30.3%13.5%11.2%10.9%6.7%2.7%
Jul 202626.7%26.7%14.5%11.6%11.7%6.4%2.4%
Aug 202627.2%27.2%14.8%11.9%9.9%6.6%2.4%
Sep 202626.5%26.5%14.5%12%11.7%6.4%2.4%

How has the Postmark and PowerDMARC comparison changed over the last 12 months?

3 findings
  • PowerDMARC was ahead of Postmark in every measured month of the 12 months ending September 2026.
  • Across the 12 months ending September 2026, Postmark’s share of searches among DMARC monitoring tools worldwide moved from 4.2% to 6.4%, and its estimated monthly branded searches moved from 1.3K to 1.6K.
  • Across the 12 months ending September 2026, PowerDMARC’s share of searches among DMARC monitoring tools worldwide moved from 11.5% to 11.7%, and its estimated monthly branded searches moved from 3.6K to 2.9K.

How did search popularity change for DMARC monitoring tools worldwide in September 2026?

2 changes

  1. In September 2026, PowerDMARC gained share of searches among DMARC monitoring tools worldwide, from 9.9% to 11.7%.

  2. Estimated monthly branded searches for Postmark worldwide rose 21.4% over 12 measured months, from 1.3K to 1.6K in September 2026.

How are branded searches counted?

3 search terms

Brandwave collects information about searches that people make online using Postmark’s and PowerDMARC’s names. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brands is growing, holding steady, or fading.

Postmark

2 branded search terms

  • dmarc digests
  • postmark dmarc

PowerDMARC

1 branded search term

  • powerdmarc

How the Brand Demand Index is measured

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