Postmark vs SMTP2GO:Which is more popular in New Zealand?
In October 2026, SMTP2GO had more branded searches than Postmark among transactional email services in New Zealand. SMTP2GO had about 720 branded searches, while Postmark had 30. SMTP2GO made up 25.9% of all transactional email service searches we track, and Postmark accounted for 1.1%. When we asked ChatGPT and Google AI Overviews about transactional email services, Postmark appeared in all five answers and SMTP2GO in two. Postmark was mentioned before SMTP2GO in four out of five answers.
Who do people search for more?
SMTP2GO, about 24 searches for every 1 for Postmark
Who does AI mention more?
Postmark, mentioned in every answer we collected
Who does AI recommend more?
Postmark, named ahead of SMTP2GO in 4 of 5 answers
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Top transactional email services in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, Postmark appeared in all five answers. SMTP2GO was mentioned in two out of five: in one of the three ChatGPT answers and in one of the two Google AI Overviews. Postmark was listed before SMTP2GO in four out of five answers.
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 Postmark or SMTP2GO more popular in search?
This chart shows how often people search Google for Postmark 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, Postmark. 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 Postmark and SMTP2GO changed in New Zealand over the last 12 months?
3 findings
- SMTP2GO was ahead of Postmark in every measured month of the 12 months ending October 2026.
- Across the 12 months ending October 2026, Postmark’s share of searches among transactional email services in New Zealand moved from 1.3% to 1.1%, and its estimated monthly branded searches moved from 40 to 30.
- 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%.
In October 2026, Postmark lost share of searches among transactional email services in New Zealand, from 2.1% to 1.1%.
How are Postmark’s and SMTP2GO’s branded searches counted?
5 search terms
Brandwave collects information about searches that people make online using Postmark’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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