製品・開発チーム向けのモダンなメール配信

迅速な配信。高い到達率。24時間対応(年中無休)の専門サポート。

新規登録

メール配信APIとSMTP

トランザクション・プロモメールを確実に送信

メールサンドボックス

開発者やQAが安全にメールをテスト

15万人を超える月間アクティブユーザーに信頼されています

Raphael Esch

CTO

Every time I’ve thought, “it would be great if it could do this,” Mailtrap already did. It is a polished product from a team that listens. It’s exactly what we need to handle our critical B2B marketplace communications.

4:19 PM – 13 Feb 2026

Khalid Hasan

Product manager

Building simplistic things is the hardest, but Mailtrap is just simple. I just throw the documentation into Cursor and it works flawlessly. It stood out with a perfect bucket of features other services charged way more for.

10:35 AM – 24 Jan 2026

Todd Merrill

CTO

Mailtrap solved a real problem for us. It’s a stable system that provides the visibility our marketing team needs without compromising our high-security infrastructure. It was far easier to turn on than complex cloud providers — our devs are happy.

1:10 PM – 16 Jan 2026

Stelyana Baleva

Principal Analyst

Mailtrap has been a game changer. Switching was very quick and the UI is super fast and intuitive, it takes much less time than SendGrid. The interface is amazing, always working, and I’m not missing anything from our old tool.

4:42 PM – 10 Mar 2026

Andrew Crowe

Chief Digital Officer

Prior to Mailtrap, testing was a world of pain. Mailtrap has certainly made things a lot easier for our teams. It’s a very well thought out, stable system that does the job.

10:54 AM – 5 Jan 2026

Andrey Azimov

@AndreyAzimov

I switched from Postmark to @Mailtrap for sending ~1M emails per month for my SaaS. It’s cheaper and and has a better stats design. Also, their team is very nice and helped me to improve open and bounce rates.

3:12 PM – 10 Oct 2024

Tom Ravn

@TomR4vn

I am testing Mailtrap last weeks. You can send emails from your domain for free. They allow 1000 mails/month. It is quite ok. It can be used with good old SMTP connection or via API. https://mailtrap.io/

12:49 PM – 20 Feb 2023

Joshua Lim S. Ming

@limshengming

I’ve dreaded setting up VPS’ to work with an external SMTP but @Mailtrap made things so easy! They’ve got the code and everything that you can copy and paste!

12:35 PM – 2 Dec 2022

Tr1p

@tr1pwyr

Y’all know what’s really good? https://mailtrap.io/ @Mailtrap

3:44 PM – 16 May 2023

Joshua Anderton

@joshuaanderton

Just signed up for @Mailtrap and I’m loving it. So easy to set up. Provides so much peace of mind. Ahh just love it.

7:38 PM – 13 Jan 2021

DeveloperMitch

@mitchellfinlay

After all these years of web development, how have I only JUST started using @Mailtrap. I had heard about it, but never got round to using it. An awesome way of testing emails 👏

1:25 PM – 7 Nov 2020

Alessandro Rodi

@coorasse

I love @Mailtrap. It removes all the asshole of configuring email servers in test environments. Great service! Is totally worth your money!

1:15 PM – 20 Oct 2020

Mr. Glass

@MisterGlass

Shout out to @Mailtrap, hands down the best way to handle mail sending in local/test environments.

11:43 PM – 21 May 2020

Rado Georgiev

@Rado_g

One thing we started using recently is @Mailtrap for our dev & staging environments. We were previously either turning email sending entirely off for staging or running SES + whitelist. Turns out, having a fake SMTP mailbox is great and you can test better with it.

1:32 PM – 6 Jan 2021