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Postmark
The email delivery service that people actually like. By ActiveCampaign.
4.6
(25)
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Postmark Reviews & Product Details

Postmark Overview
What is Postmark?

Postmark is a cloud-based email delivery service designed for sending transactional emails. Unlike traditional email marketing services which are geared towards sending newsletters and promotional emails, Postmark specializes in sending emails that are triggered by user actions, such as password resets, order confirmations, and welcome messages.

Company ActiveCampaign
Year founded 2003
Company size 1001-5000 employees
Headquarters Chicago, IL
Social Media
Managed by:
Axel Grubba
Founder
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Crevio
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5.0
(1)
$29.00/month
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Postmark Product Details
Capabilities
API
Segment
Small Business
Enterprise
Deployment Cloud / SaaS / Web-Based, Mobile iPhone
Training Documentation
Languages English
Postmark Features
A/B Testing
API Integration
Analytics/Reporting
Attachment Support
Bounce Management
Contact Management
Content Filtering
Custom Domains
DKIM & SPF Setup
Dedicated IPs
Delivery Optimization
Dynamic Content
Email Authentication
Email Encryption
Email Queuing
Email Scheduling
Email Template Management
Email Tracking
GDPR Compliance
Geolocation Tracking
Link Tracking
Multi-User Access
Multilingual Support
Personalization
Real-time Notifications
SMTP Relay
Spam Testing
Subaccount Management
Transactional SMS
Webhooks
Postmark Media
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Postmark - Postmark Homepage
Postmark Screenshots
Postmark Homepage
Postmark Homepage
Disclaimer
Our research is curated from diverse authoritative sources and meant to offer general advice. We don’t guarantee that our suggestions will work best for each use-case, so consider your unique needs when choosing products and services. Feel free to share your feedback.
Last updated: August 17, 2025
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25 Postmark Reviews
4.6 out of 5
Mid Market (51-1000 emp.)
Sep 28, 2020
 Source
Overall Rating:
4.5
Kevin A. avatar
Kevin A.
Co Owner
Share
"Advancing My Email Through Code"
What do you like best about Postmark?

What I like about this code ask type of thing is the simplicity of the pricing the way that I can customize my emails to other customers I have in my email list. I also like when I can have a clear and cut results and analyze those results through the email I find that very useful.as someone that uses code through email I find it really intuitive that I can use some of the skills that I learned and put in an application that can really make a difference in my email campaigns.

What do you dislike about Postmark?

the downsides I would say is it's kind of pricey and I do not like the monthly recurring charging it is nice on the other hand to have monthly pricing that's clear but it is still very expensive. Also I find it that code is very hard to learn for someone that that is knowledgeable or not knowledgeable of code so you have to have that in mind when using this software for sure and I didn't know that when I first started but I had learned.

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

I'm solving a lot of my unique advanced email skills, and problems from this program in the software. I find that it was very easy to, try to get more advanced email campaigns and analytics from my emails and finding out why my customers act the way they do the software makes it really easy to figure that out. I find it that the email deliveries are consistent reliable something that we needed for our business and when I need it for my part of my acquisition of my email list here so it was very easy to integrate everything in.

Small Business (50 or fewer emp.)
Jun 14, 2016
 Source
Overall Rating:
4.5
WS
Weldys S.
Ceo
Share
"Fantastic to send transactional emails"
What do you like best about Postmark?

I love to send emails easily with Postmark

What do you dislike about Postmark?

Would be genius if I could send marketing mail. Those models are too beautiful and so easy to use

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

Send transactional emails like remembering passwords, account confirmations, but using pretty models from the own site

Small Business (50 or fewer emp.)
Mar 21, 2023
 Source
Overall Rating:
4.0
AB
Ange B.
Software Engineer
Share
"Speed at a low price"
What do you like best about Postmark?

Not provided

What do you dislike about Postmark?

Not provided

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

Not provided

Mid Market (51-1000 emp.)
Oct 14, 2020
 Source
Overall Rating:
4.0
CC
Carney C.
Senior Web Designer
Share
"Definitely worth trying for your company - better than other options!"
What do you like best about Postmark?

Postmark is a really great service and gets the job done when delivering emails to our recipients. There are almost never any hiccups (i.e. emails getting blocked like some other delivery services). We're better able to provide website maintenance and hosting PLUS email delivery services, which is a great one-stop shop feature for clients. Some advice I would give to those on the fence is trying the free trial of Postmark to see if it's a good fit for your company.

What do you dislike about Postmark?

The price isn't as competitive as other options, which can sometimes be an issue dealing with clients. The training opportunities are also minimal if you don't know where to start, which can sometimes be an issue. The biggest dislike from a technical standpoint is there isn't an archiving option. Some clients like this feature when working with us, so that's one thing that can have us looking at other transactional email services.

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

We're able to use just Postmark in-house to manage transactional emails, which is a great benefit because when we need to look up something, we don't have to search through individual emails. If something were to go wrong, we can simply check with Postmark. As for our clients, we can use Postmark to deliver all the necessary emails almost always without fail, so this gives us credibility to get the job done when we say we can manage their email services.

Mid Market (51-1000 emp.)
Nov 30, 2015
 Source
Overall Rating:
3.5
JP
John P.
Software Engineer Ii
Share
"A clean simple api"
What do you like best about Postmark?

Postmark has been simple and reliable in the 2+ years I've used them. Their API has a fast response time and their batch send calls has been helpful in maintaining a quick response time on our service. They've also been generous in giving us free credits from time to time. They provide webhooks for events you are interested in e.g. bounced emails, spam reports. Their documentation is extensive and comprehensive and also includes libraries for several languages (we use them with python and php).

What do you dislike about Postmark?

Some of the new features Postmark has added aren't as simple as their first product, especially the email templates. Their admin interface also is weird in that it only lets you look at 30 day periods for statistics (we track our own analytics so it's less of an issue for us).

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

Postmark helped us quickly and effectively add an outside transactional email provider instead of sending SMTP emails. It's also helped ensure that our app stays quick when we were originally directly calling it from the application thread. We've had no problem with getting marked as spam or deliverability and their open tracking by email client has been helpful. We've sent 200,000+ emails with postmark so far.

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