Postmark
Ranked 3 of 6 email sending services by recommenders
People recommend Postmark as a cheap, reliable email API for sending transactional mail, with good deliverability and solid performance across projects.
People recommend Postmark as a cheap, reliable email API for sending transactional mail, with good deliverability and solid performance across projects.
10 people gave an opinion
- recommend it
- 9
- criticize it
- 1
- approval share
- 90%
Recommended in 6 of 13 months
- November 2025: recommended
- December 2025: not recommended
- January 2026: recommended
- February 2026: recommended
- March 2026: not recommended
- April 2026: recommended
- May 2026: recommended
- June 2026: recommended
- July 2026: not recommended
- August 2026: not recommended
- September 2026: not recommended
- October 2026: not recommended
- November 2026: not recommended (month in progress)
Why it doesn’t carry the badge
- 9 people recommend itNeeds 10 or more, not met.
- 9 recommenders for every criticNeeds 2 to 1 or better, met.
- Recommended in 6 of 13 monthsNeeds 4 or more, met.
The same three rules apply to every product, and the badge can’t be bought. How the badge works
What people say about it
The reasons people give, with the number of comments that give each one. Open a reason to read what they said.
Why people recommend it
Each mark is one comment
Long-term satisfied users
“I switched to Postmark years ago and never looked back.”
Comment from 13 Apr 2026 in “We have a 99% email reputation. Gmail disagrees” “I've been pretty content with Postmark”
Comment from 15 Jan 2026 in “Remails: A European Mail Transfer Agent”
What people warn about
Each mark is one comment
Vendor lock-in concerns
“The lock in to postmark I don't love”
Comment from 27 May 2026 in “Show HN: Open-source Workspace (mail,docs,spreadsheet,drive) web/iOS”
Other email sending services people recommend
The four most recommended other email sending services, with the same counts for each, so you can compare like for like. The tick on each bar marks the 2 to 1 line the badge needs.
| Product | Recommend | Criticize | Approval | Months | Owned | Badge |
|---|---|---|---|---|---|---|
| Cloudflare Email Service | 27 | 21 | 56% | 5 | — | — |
| Amazon SES | 19 | 11 | 63% | 11 | — | — |
| PostmarkThis page | 9 | 1 | 90% | 6 | — | — |
| AWS SES | 8 | 6 | 57% | 5 | — | — |
| SMTP2GO | 7 | 1 | 88% | 3 | — | — |
What people said
6 of the 10 comments that mention it, newest first. Each links to the original comment.
“Great API, solid performance. Use it for every project.”
“The lock in to postmark I don't love”
“I switched to Postmark years ago and never looked back.”
“That belongs on a different domain using an ESP that has the reputation for it”
“I've been pretty content with Postmark”
“Just use the Postmark web service API, cheap, reliable, and far more if one really wants to lean into email with their online service.”
Counts come from 1,795,640 Hacker News comments, November 2025 to November 2026. How we count. Report a mistake.