Mailgun vs SMTP2GO:Which is more popular in New Zealand?
In October 2026, SMTP2GO had more branded searches than Mailgun among transactional email services in New Zealand. SMTP2GO had about 720 branded searches, while Mailgun had 490. SMTP2GO made up 25.9% of all transactional email service searches we track, and Mailgun accounted for 17.6%. When we asked ChatGPT and Google AI Overviews about transactional email services, Mailgun and SMTP2GO each appeared in two of the five answers. SMTP2GO was mentioned before Mailgun in two out of three answers that named either.
Who do people search for more?
SMTP2GO, about 47% more searches than Mailgun
Who does AI mention more?
Both were mentioned in 2 of 5 answers.
Who does AI recommend more?
SMTP2GO, named ahead of Mailgun in 2 of 3 answers
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Top transactional email services in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, Mailgun was mentioned in two out of five: in two of the three ChatGPT answers, but not in either of the two Google AI Overviews. SMTP2GO was mentioned in two out of five: in one of the three ChatGPT answers and in one of the two Google AI Overviews. SMTP2GO was listed before Mailgun in two out of three answers that named either.
Most recommended by AI
Brands get a higher ranking if they are mentioned earlier in the answers.
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
Resend5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
Amazon SES5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
Postmark5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
SendGrid2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers- SMTP2GO2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Mailgun2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Mailjet0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
See every answer about transactional email services
5 answers
Asked ChatGPT
“Which transactional email service should I use in New Zealand?”
Asked ChatGPT
“What are the best transactional email services in New Zealand?”
Asked ChatGPT
“What's the best transactional email service in New Zealand for app notifications?”
Searched Google, AI Overview
“best transactional email service”
Searched Google, AI Overview
“email sending api”
Not named in any answer:
Brands are shown in the order each answer named them. The survey took place in New Zealand on October 21, 2026.
Is Mailgun or SMTP2GO more popular in search?
This chart shows how often people search Google for Mailgun and SMTP2GO by name. Each line represents a brand's share of searches for all seven transactional email services we track, month by month, from searches in New Zealand.
Share of searches by month for SMTP2GO, Mailgun. The figures are in the table below the chart.
View monthly share of searches table
| Month | SendGrid | SMTP2GO | Mailgun | Resend | Amazon SES | Mailjet | Postmark |
|---|---|---|---|---|---|---|---|
| Nov 2025 | 41.5% | 22.8% | 19.6% | 3.8% | 5.4% | 5.7% | 1.3% |
| Dec 2025 | 42.8% | 20.3% | 16.9% | 4.2% | 5.9% | 8.1% | 1.7% |
| Jan 2026 | 43.2% | 19.5% | 20.1% | 4.3% | 5.3% | 5.9% | 1.7% |
| Feb 2026 | 42.7% | 19.1% | 20.1% | 5.2% | 7.1% | 4.9% | 0.97% |
| Mar 2026 | 37.5% | 25% | 17.6% | 6.8% | 6.8% | 5.4% | 0.85% |
| Apr 2026 | 41.1% | 22.4% | 19% | 5.9% | 6.9% | 3.4% | 1.2% |
| May 2026 | 42% | 22.9% | 16.2% | 6.7% | 6.1% | 4.8% | 1.3% |
| Jun 2026 | 35.3% | 24.9% | 17.3% | 8.3% | 7.6% | 4.8% | 1.7% |
| Jul 2026 | 35.1% | 24.7% | 17.2% | 10% | 6.9% | 4.8% | 1.4% |
| Aug 2026 | 38.2% | 25.3% | 17.2% | 7.8% | 6.3% | 4% | 1.1% |
| Sep 2026 | 35.6% | 25.4% | 17.6% | 7.4% | 7% | 4.9% | 2.1% |
| Oct 2026 | 36.3% | 25.9% | 17.6% | 7.6% | 6.1% | 5.4% | 1.1% |
How has branded search for Mailgun and SMTP2GO changed in New Zealand over the last 12 months?
3 findings
- The lead changed hands 2 times in the 12 months ending October 2026: Mailgun took it in January 2026, SMTP2GO took it in March 2026.
- Across the 12 months ending October 2026, Mailgun’s share of searches among transactional email services in New Zealand moved from 19.6% to 17.6%, and its estimated monthly branded searches moved from 620 to 490.
- Across the 12 months ending October 2026, SMTP2GO’s share of searches among transactional email services in New Zealand moved from 22.8% to 25.9%, and its estimated monthly branded searches held steady at 720.
How did search popularity change for New Zealand transactional email services in October 2026?
2 changes
In October 2026, SMTP2GO gained share of searches among transactional email services in New Zealand, from 25.4% to 25.9%.
Estimated monthly branded searches for Mailgun in New Zealand fell 21% over 12 measured months, from 620 to 490 in October 2026.
How are Mailgun’s and SMTP2GO’s branded searches counted?
5 search terms
Brandwave collects information about searches that people make online using Mailgun’s and SMTP2GO’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
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