OV

Oli Ver

February 13, 2026 Source: Trustpilot.com

From nightmare deliverability to 100% inbox — in one switch

We used SendGrid for 6 months and it was a constant headache. Our welcome emails, order confirmations, and even password reset emails were either landing in spam or getting outright blocked by Hotmail. Our clients were frustrated, and so were we. SendGrid's only solution? Purchase a dedicated IP for $30 USD/month on top of our API costs — completely unreasonable for roughly 1,000 emails a month.
After some research, we discovered Postmark and decided to give it a try. Within 3 days, every single email we sent landed directly in the inbox — 100% deliverability. For $15/month (cheaper than SendGrid), the quality is on another level.
Yes, Postmark is strict about commercial/bulk emails, but that's exactly the point. By keeping spammers off the platform, they protect deliverability for legitimate senders like us who rely on shared IPs. That strictness is a feature, not a limitation.
The API migration from SendGrid was straightforward — minimal code changes on our backend. If you're a small business struggling with email deliverability, do yourself a favour and switch to Postmark. It's been a game changer.

MK

Mateusz Kroplewski

February 7, 2026 Source: Trustpilot.com

Very fast approval

I have tried using MailJet and AmazonSES before postmark and the customer service is very slow.
I set up postmark and got my domain approved to send email on the same day. Customer service is amazing.

M

Moe

October 17, 2024 Source: Trustpilot.com

I like that their service is reliable…

I like that their service is reliable and cost effective. Its simple to use and their documentation is great.

S

SHF

October 8, 2024 Source: Trustpilot.com

I like that their interface is easy to…

I like that their interface is easy to use. I like the templates option, webhook with status of emails such as delivery, bounce and open. I also like that the service is very affordable.

P

Pietje

May 28, 2024 Source: Trustpilot.com

Perfect service

Perfect service. We've been using Postmark for a couple months now and they haven't disappointed us.

AU

Anonymous User

July 13, 2023 Source: G2.com

"By far, the best solution for Transactional Emails on the Market!"

What do you like best about ActiveCampaign Postmark?

Postmark has come to change the way we send confirmation and transactional emails to our users. Purchase confirmation emails, user activation, and purchase reminders (you name them) ended up in the spam section, bounced or in the promotional folder of our clients. Thanks to Postmark, these emails arrive promptly and when users need them.

ActiveCampaign Postmark has helped our sales, shipping, logistics, and other essential user notifications reach their inboxes without having to go through the hassle of getting them in the spam folder or getting lost. The emails arrive quickly and without delays, and it helps us to protect the quality of our domain

What do you dislike about ActiveCampaign Postmark?

We have not found anything that we dislike or makes us feel is not worth it. PostMark has a lot of options when it comes to sending transactional emails and email marketing campaigns.

Maybe we could have more automation options for managing better our domain health and, thus, not being blocked or marked as spam. Besidesthat, everything works amazing!

What problems is ActiveCampaign Postmark solving and how is that benefiting you?

We no longer have to suffer headaches or complaints from our customers because their purchase confirmation emails, password change or others do not reach them or arrive with a delay

It has helped us so that our domain and emails reach our clients' inboxes correctly. In particular, we use ActiveCampaign Postmark for transactional emails. Now the most important emails for our clients are not lost in spam or the promotions folder

AS

Andreas Seierup

July 8, 2023 Source: Trustpilot.com

I recently started using Postmark and I…

I recently started using Postmark and I must say, it has been a game-changer for our email communications.

The service is incredibly reliable and delivers my emails with precision and speed.
The intuitive dashboard makes it easy to manage my email templates and track their performance.
The detailed analytics provide valuable insights into my email campaigns, allowing me to optimize my strategies effectively.
The customer support team is prompt, knowledgeable, and always ready to assist.

I highly recommend Postmark to anyone looking for a reliable and efficient email delivery service. It has certainly exceeded my expectations!

T

Tal

May 21, 2023 Source: Trustpilot.com

Fast service with a great admin panel

I really don't understand the ones who wrote they don't answer... It's not my experience.
In the last couple of days I've bombarded theyir CS with various questions and they answered all in such speed I never met before, and really help, not just answer.
And I'm still on a free plan! O-:

Plus - their platform is very easy to manage.

I moved from Mailjet (which are OK) and really happy with it. Planning to bring more of my website to their platform.

D

Dara

May 10, 2023 Source: Trustpilot.com

An actually good email service

To say it's much better than Sendgrid is an understatement. Their docs and pricing are clear. Templates are excellent and come with code samples (although I think the code samples button should be clearer, and they should update the node.js to have current code). I still managed to integrate it in less than 30 mins, including domain verification. I just wish they had a smaller tier as 10k emails per month is too much for my needs currently.

FT

Frecson T

December 18, 2022 Source: G2.com

"Great email service for developers."

What do you like best about ActiveCampaign Postmark?

It is really easy to integrate wih other programs and apis. Also, the templates they provide, have made our work easier.

What do you dislike about ActiveCampaign Postmark?

At this moment we haven't found anything that doesn't like us.

What problems is ActiveCampaign Postmark solving and how is that benefiting you?

We needed a reliable email system, easy to integrate with other systems through some APIs. Postmark has helped us to achieve just that on an easy and fast way.

Postmark Reviews

User Rating

Rating Distribution

Do You Use Postmark?

Oli Ver

Mateusz Kroplewski

Moe

SHF

Pietje

Anonymous User

Andreas Seierup

Tal

Dara

Frecson T

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