Mailgun vs Postmark:Which is more popular by branded search?
In August 2026, Mailgun had more branded searches than Postmark among transactional email platforms worldwide. Mailgun was estimated to have 74.2K branded searches compared to Postmark’s 3.3K, and held a 21% Share of Search versus Postmark’s 0.93%. Worldwide · English terms: these are worldwide searches for English-language branded terms.
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Which is more popular in search, Mailgun or Postmark?
Compare email delivery services for application messages and customer notifications. Branded searches tell you how often people look for a brand by name or related terms. Comparing these searches across competitors helps you see how popular each brand is over time.
Share of Search by month for Mailgun, Postmark. The figures are in the table below the chart.
View monthly share of search table
| Month | Twilio SendGrid | Mailgun | Mailtrap | Resend | Postmark |
|---|---|---|---|---|---|
| Oct 2025 | 62.9% | 22.3% | 12.6% | 1.6% | 0.6% |
| Nov 2025 | 59.3% | 25.7% | 12% | 2.2% | 0.7% |
| Dec 2025 | 62.1% | 22.2% | 12.6% | 2.5% | 0.64% |
| Jan 2026 | 58.5% | 25.4% | 11.9% | 3.4% | 0.83% |
| Feb 2026 | 58.4% | 25.3% | 11.9% | 3.6% | 0.75% |
| Mar 2026 | 61.3% | 21.7% | 12.4% | 3.9% | 0.65% |
| Apr 2026 | 56.6% | 24.4% | 14% | 4.3% | 0.73% |
| May 2026 | 60.5% | 21.6% | 12.4% | 4.9% | 0.66% |
| Jun 2026 | 60.2% | 21.5% | 12.3% | 5.4% | 0.66% |
| Jul 2026 | 54.6% | 23.7% | 13.5% | 7.6% | 0.73% |
| Aug 2026 | 59.3% | 21% | 12.1% | 6.6% | 0.93% |
| Sep 2026 | — | — | — | — | — |
How has the Mailgun and Postmark comparison changed over the last 12 months?
3 findings
- Mailgun was ahead of Postmark in every measured month of the 11 months ending August 2026.
- Across the 11 months ending August 2026, Mailgun’s estimated Share of Search among transactional email platforms worldwide moved from 22.3% to 21%, and its estimated monthly branded searches moved from 110K to 74.2K.
- Across the 11 months ending August 2026, Postmark’s estimated Share of Search among transactional email platforms worldwide moved from 0.6% to 0.93%, and its estimated monthly branded searches moved from 3K to 3.3K.
How did search popularity change for transactional email platforms worldwide in August 2026?
1 change
In August 2026, Mailgun lost estimated Share of Search among transactional email platforms worldwide, from 23.7% to 21%.
How each brand is measured
Brandwave collects information about searches that people make online using Mailgun’s and Postmark’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.
Put your own brand in this comparison
Brandwave tracks your branded demand next to the rival you actually watch, with your campaigns, spend and outcomes on the same timeline.