Index › GTM › Products › Postmark · November 2026 Edition
2 categories · Named, not ranked

Postmark

Postmark is a transactional email delivery service from ActiveCampaign, offered as a communications API for sending application emails · postmarkapp.com ↗

–Too few to rank
11/14Models named it
2First choices
3Warnings
November 2026 Edition · all company sizes counted.
Ranked inEmail deliverability and testing tools #16 mid-marketEcommerce marketing #57
What AI models recommend

Named, too few times to rank.

A product needs 10 labels in a category before a share is stated. Postmark has 6.

Why models recommend it

“Best overall for limited budget + simple needs: Postmark — very straightforward pricing, strong deliverability focus, and a free tier to test it.”GPT-5.4 mini · Budget-constrained question · first choice
“Use certified aggregators (like Twilio, Postmark, or established platforms like Attentive/Octane)”Qwen 3.7 Flash · Negative question · alternative
“prioritize reliability and low-latency tools like SendGrid or Postmark with add-on monitoring”Grok 4.20 · Scale-constrained question · alternative

What gives them pause

No model argued against it.

Also on the shortlist

The products named in the same answers as Postmark, over the 20 answers that named it, and how often each was the first choice instead.

A side-by-side page exists where both products are among a category's top eight.

At a glance

Stated on Postmark's own site, not checked by Gane.

For
developers
Price stated
$15/month for 10,000 emails
Starting price
15
Free plan or trial
Start free trial
Certifications
GDPR, SOC 1 Type II, PCI DSS
Customers named
Paddle, Indie Hackers, Faire.com, IKEA, litmus, desk, minecraft, livestream
Headquarters
Chicago, United States
Founded
2003
Also from ActiveCampaign
ActiveCampaign AI
Visit postmarkapp.com ↗

How this is measured

Fourteen AI models from 12 labs are asked the same buying questions six ways, for three company sizes. Standings refresh every edition.

Gane sells AI visibility software. No company can pay to change a result.

Read the method →

Sources returned with these answers

The sites and pages the answers that named Postmark came back with. A fact about retrieval, not a cause of the answer.

Fourteen of the fourteen models returned a source list in this edition: five return the pages they cited and nine the search results they consulted. These counts come from 13 of the 20 answers that named Postmark and are not a share of its labels.

Domains cited

mailgun.com6
glockapps.com4
postmarkapp.comIts own site4
smartlead.ai4
omnisend.com3
sequenzy.com3
toolradar.com3
amplemarket.com2
autospf.com2
g2.com2

Twenty-nine of the thirty-three domain citations in answers naming Postmark came from a third party's page.

Pages cited

Pages are listed as the models cited them.

By model

How each model answered on Postmark across every prompt where it was named for a mid-market B2B company. Fourteen models, six prompts per category.
ModelFirst choiceAlternativeMentionWarningLabels
Claude Haiku 4.500000
GPT-5.4 mini10001
Gemini 3.5 Flash00000
Perplexity Sonar00000
Grok 4.2001001
Mistral Small00000
DeepSeek V4 Flash00000
Llama 4 Maverick00000
Qwen 3.7 Flash01001
Kimi K200101
GLM 4.7 FlashX00000
MiniMax M2.500101
GPT-6 Luna00000
Muse Glimmer 30B00101

What it publishes

Addresses on postmarkapp.com
1,024
subdomains included
Content
437
counted in the table below
Documentation
296
Product · Integration
0 · 22
KindPagesLast 90 days2025-10 to 2026-09LatestCategories named
Blog30132026-09-08
Report or ebook3202017-10-19
Case study3002025-10-08
Podcast or video2602019-09-05
Glossary or explainer1902026-05-11
Webinar or virtual event1302025-12-08
Comparison1302025-03-27
News or press2undated
Conference or event1undated
How it is countedHide how it is counted

Every page postmarkapp.com exposes, subdomains included. Kind is read from the address and title. The last 90 days, the latest date and the twelve months count pages by when they were published, from the site's feeds, a date in the address, or the page's own publication date, read from up to a hundred of its most recently changed pages; a page that says only when it last changed is counted in its kind but not in when, so the recent counts are a floor, and a kind none of whose pages gives a publication date reads undated. An event counts as online when its address or title says so (webinar, on demand, virtual or online summit); a conference, summit, trade show, expo or roadshow that does not say so is counted as a conference or event, which on a vendor's site is mostly in person. Read September 29, 2026.