
Postmark
Twilio
Resend
Dependal
Mailgun
ImprovMX
Purelymail
Fast Transactional Email. Independent, privacy-focused, and hosted in the EU

Resend
Mailgun
SendGrid Email API
Brevo
Postmark
GoodSender
Plunk
Developer-focused transactional email API with Bring-Your-Own-SES support.
Which is more popular?
Based on our record, MailPace seems to be more popular. It has been mentioned 26 times since March 2021.
Website, pricing, platforms and company facts side by side.
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|---|---|---|
| Website | mailpace.com | sendfleet.net |
| Pricing | ||
| Company | Startup from the United Kingdom · 1 - 9 employees | — |
| Listed in |
In their own words, as submitted to SaaSHub.


MailPace is the transactional email provider you've been searching for. Speedy fast, easy to integrate, and universally loved by all.
SendFleet is a secure, high-performance transactional email API designed specifically for developers and product teams. It provides a simple, reliable REST interface to send critical application notifications, password resets, and order confirmations without the complexity of traditional email...
What each product offers, as listed by its team.


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


No analysis of MailPace yet.
Overall verdict
Why this product is good
Recommended for
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing MailPace and SendFleet.
SendFleet's answer:
SendFleet was born out of pure engineering frustration with legacy transactional email providers. As developers, we loved the modern, sleek APIs of expensive providers, but hated their massive price markups and intrusive data retention policies. On the flip side, using raw Amazon SES was incredibly cost-effective but lacked a developer-friendly UX and modern logging. We built SendFleet to bridge this exact gap - giving developers a beautifully designed REST API, powered by the unmatched economics and privacy of their own cloud infrastructure.
SendFleet's answer:
Rapidly growing B2B SaaS startups requiring scalable app notifications. Privacy-first FinTech platforms needing zero-retention transactional data pipelines. Independent software developers and indie hackers optimizing their cloud infrastructure costs. Digital agencies managing high-volume email delivery across multiple client applications.
SendFleet's answer:
The primary audience consists of software engineers, CTOs, indie hackers, and product teams building B2B SaaS, FinTech, or E-commerce platforms. It specifically targets technical professionals who demand rapid API deployment, predictable cloud costs, and strict compliance over user data privacy.
SendFleet's answer:
Traditional competitors lock you into expensive pricing tiers and store your users' private data on their platforms. SendFleet eliminates legacy markup fees by letting you leverage AWS SES pricing ($0.10 per 1,000 emails), drastically reducing costs by up to 80% while providing a modern, developer-friendly REST API, instant webhooks, and complete data privacy.
SendFleet's answer:
SendFleet separates the developer API layer from the underlying email delivery infrastructure. Through its Bring Your Own Cloud (BYOC) model, developers can route emails through their own Amazon SES account, ensuring that sensitive message data and recipient details are never stored or persisted on SendFleet’s servers.
Share your experience with using MailPace and SendFleet. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


For anyone looking for non-US transactional email, I found https://mailpace.com via HN a while back and can recommend. Can't remember who the HN user behind it is, but they've done a great job. - Source: Hacker News / 8 months ago
Same, can’t get https://mailpace.com listed, no idea why. - Source: Hacker News / 9 months ago
Currently at the millions stage with https://mailpace.com relying mostly on Postgres Tbh this terrifies me! We don’t just have to log the requests but also store the full emails for a few days, and they can be up to 50 mib in total size.... - Source: Hacker News / 12 months ago
Tracking SendFleet since May 2026.
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A set of powerful APIs that enable you to send, receive and track email from your app effortlessly whether you use Python, Ruby, PHP, C#, Node.js or Java.
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You can use SendGrid via SMTP or our simple to use Web API. Understand how best to utilize SendGrid.
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Dependal is transactional email infrastructure for B2B SaaS. Verified domains, enforced suppressions, throttles and clear logs — built to protect sender reputation.
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