ImprovMX
Create free email aliases for your domain name
Postmark
Email for web applications
Updated February 2026
| ImprovMX | Postmark | |
|---|---|---|
| Rating | 5.0★ | 5.0★ |
| Reviews | 8 | 17 |
| Pros | 5 | 9 |
| FactScore™ | 47.7 | 62.8 |
FactScore™ Comparison
FactScore™ weighs both quality (rating) and popularity (reviews) for a fairer ranking than stars alone.
Pros & Cons
Only in ImprovMX — Pros
Custom domain support Easy setup Easy to use Email forwardingBoth tools — Pros
Fast performanceOnly in Postmark — Pros
Reliable email delivery Human support Transactional email Affordable pricing Email templates Excellent documentation Simple API Spam filterOnly in ImprovMX — Cons
—Both tools — Cons
—Only in Postmark — Cons
—Details
| ImprovMX | Postmark | |
|---|---|---|
| Categories | Email clients, Email marketing | Email clients, Email marketing |
| Platforms | Web | Web · iOS |
| Became Popular | October 19, 2016 | July 23, 2014 |
| Website | improvmx.com | postmarkapp.com |
Who Should Pick Which?
Choose ImprovMX if...
- Custom domain support
- Easy setup
- Easy to use
Choose Postmark if...
- Reliable email delivery
- Human support
- Transactional email
With a FactScore™ of 47.7 vs 62.8, Postmark leads in community reception. ImprovMX uniquely offers Custom domain support and Easy setup, while Postmark stands out for Reliable email delivery and Human support.
What Users Say
ImprovMX
I love this product. It really let's me use my single Gmail account with all my domains and I've found it to be reliable, gets through SPAM, and is so affordable. Highly recommend.
Great product. Thoroughly enjoyed onboarding, they clearly understand UX. And a very generous free plan.
Postmark
We use Postmark to send emails and manage newsletters directly from BlogBowl. Big thanks to Postmark for their reliable API and top-notch deliverability, which makes sure your newsletters actually ...
We use Postmark not only for our emails, but also to power Ply's built-in dynamic email capabilities. It's reliable, well documented and most of all - comes with awesome human support.
Once you get familiar with Postmark's layouts and templates, the service is great for quickly creating email templates and sending them out using their simple API. The UI is simple and intuitive.
Related Comparisons
Frequently Asked Questions
Which is better, ImprovMX or Postmark?
Based on FactScore™, Postmark leads with a score of 62.8 vs 47.7. Postmark has a higher rating of 5.0★ compared to 5.0★.
What are the pros of ImprovMX compared to Postmark?
ImprovMX uniquely offers: Custom domain support, Easy setup, Easy to use, Email forwarding.
What are the pros of Postmark compared to ImprovMX?
Postmark uniquely offers: Reliable email delivery, Human support, Transactional email, Affordable pricing, Email templates.
Is ImprovMX better rated than Postmark?
ImprovMX is rated 5.0★ from 8 reviews. Postmark is rated 5.0★ from 17 reviews.
What is the FactScore™ of ImprovMX and Postmark?
FactScore™ weighs rating and review volume together. ImprovMX scores 47.7 and Postmark scores 62.8.
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