
Mailgun
Resend
Brevo
Mailjet
Amazon SES
MailChimp
SendGrid Email API
Postmark is the easiest and most reliable way to be sure your important transactional emails get to the inbox. Simply & reliably parse recieved email to JSON for your webapp.

Brevo
Litmus
Email on Acid
AWeber
MailerLite
250ok
Mailtrap
Email HTML testing tools for web developers

Which is more popular?
Based on our record, Postmark seems to be a lot more popular than Testi@. While we know about 58 links to Postmark, we've tracked only 3 mentions of Testi@.
Website, pricing, platforms and company facts side by side.
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| Website | postmarkapp.com | testi.at |
| Pricing | ||
| Company | Startup from the United States | — |
| Listed in |
What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
No analysis of Testi@ yet.
Walkthroughs and reviews on video.
Using Postmark to send email from Darkroom Booth
No Testi@ videos yet. You could help us improve this page by suggesting one.
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Postmark and Testi@. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


Postmark are the most expensive transactional email service (10x the cost of Amazon SES), so what do they do to justify the sky high pricing? Their focus seems to be on providing a high-end service using only the best...
We have no reviews of Testi@ yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


Postmark has been doing one thing for over a decade: getting transactional email into inboxes fast. It separates transactional and broadcast traffic into different "message streams" so marketing sends don't damage your password-reset... - Source: dev.to / 18 days ago
Postmark has been doing exactly one thing since 2010: transactional email, done carefully. It enforces a hard separation between transactional and bulk/marketing sending streams (you can't mix them on the same account), which is exactly... - Source: dev.to / about 1 month ago
We want to shout out Postmark for sponsoring this challenge. Postmark's developer-focused API and reliable inbound email parsing made these innovative projects possible, allowing the community to focus on creativity rather than email... - Source: dev.to / over 1 year ago
My company, a small startup, asked me to create an email signature that can be customized and used by everyone on the team. They requested design that included a circular image of the sender, some styled text, and social media links. I... Source: over 3 years ago
For peace of mind — Learn the peculiarities of HTML mails (Think 1995 HTML & Inline CSS mixed with shitty client quirks) and roll your own engine, then test with something like https://testi.at. - Source: Hacker News / over 4 years ago
You can test out the html using something like PutsMail or Testi@. If you like the result, rename it the file to IntegrationTests/Snapshots/Welcome.expected.html. - Source: dev.to / almost 5 years ago
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We make the send button safer. For every campaign, every message, and every inbox, Email on Acid has the time-saving tools you need to put your best email forward.
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