Mailgun vs Postmark:Which is searched more?
In September 2026, Postmark had more branded searches than Mailgun among transactional email services worldwide. Postmark had about 77,300 branded searches, while Mailgun had 74,100. Postmark made up 12.7% of all transactional email service searches we track, and Mailgun accounted for 12.2%. These are worldwide searches for English-language branded terms.
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Is Mailgun or Postmark more popular in search?
Compare the transactional email services people choose between. 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 searches by month for Postmark, Mailgun. The figures are in the table below the chart.
View monthly share of searches table
| Month | Twilio SendGrid | Postmark | Mailgun | Mailjet | Resend | Mailtrap | Amazon SES | SMTP2GO |
|---|---|---|---|---|---|---|---|---|
| Oct 2025 | 41.7% | 8.5% | 14.8% | 14.8% | 2.3% | 8.1% | 4.4% | 5.4% |
| Nov 2025 | 38.5% | 9.6% | 16.7% | 13.7% | 2.8% | 7.5% | 5% | 6.1% |
| Dec 2025 | 39.7% | 12% | 14.2% | 11.6% | 3.3% | 7.8% | 5.2% | 6.3% |
| Jan 2026 | 36.3% | 11.1% | 15.8% | 12.9% | 4% | 7.1% | 5.8% | 7.1% |
| Feb 2026 | 37.5% | 11.4% | 16.3% | 10.9% | 4.6% | 7.3% | 6% | 6% |
| Mar 2026 | 39.7% | 9.9% | 14.1% | 11.6% | 5.5% | 7.8% | 5.2% | 6.3% |
| Apr 2026 | 36.4% | 11% | 15.7% | 10.5% | 6.1% | 8.7% | 5.8% | 5.8% |
| May 2026 | 39.2% | 11.8% | 14% | 9.3% | 6.7% | 7.7% | 5.1% | 6.2% |
| Jun 2026 | 38.3% | 11.6% | 13.7% | 11.2% | 6.7% | 7.5% | 5% | 6.1% |
| Jul 2026 | 33.5% | 12.3% | 14.5% | 9.7% | 9.1% | 8% | 6.5% | 6.5% |
| Aug 2026 | 35.9% | 13.3% | 12.7% | 8.5% | 8.7% | 7% | 6.9% | 6.9% |
| Sep 2026 | 34.4% | 12.7% | 12.2% | 12.2% | 8.4% | 6.7% | 6.7% | 6.7% |
How has the Mailgun and Postmark comparison changed over the last 12 months?
3 findings
- The lead changed hands once in the 12 months ending September 2026: Postmark took it in August 2026.
- Across the 12 months ending September 2026, Mailgun’s share of searches among transactional email services worldwide moved from 14.8% to 12.2%, and its estimated monthly branded searches moved from 110K to 74.1K.
- Across the 12 months ending September 2026, Postmark’s share of searches among transactional email services worldwide moved from 8.5% to 12.7%, and its estimated monthly branded searches moved from 63.5K to 77.3K.
How did search popularity change for transactional email services worldwide in September 2026?
2 changes
In September 2026, Postmark lost share of searches among transactional email services worldwide, from 13.3% to 12.7%.
In September 2026, Mailgun lost share of searches among transactional email services worldwide, from 12.7% to 12.2%.
How are branded searches counted?
5 search terms
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.
Other head-to-heads among transactional email services
Twilio SendGrid vs Postmark: compare search popularity- Twilio SendGrid vs Mailgun: compare search popularity
Twilio SendGrid vs Mailjet: compare search popularity
Twilio SendGrid vs Resend: compare search popularity- Postmark vs Mailjet: compare search popularity
- Postmark vs Resend: compare search popularity
Put your own brand in this comparison
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