SMTP Service that delivers in seconds

Multiple languages for quick and easy integration with your application. High deliverability rates by design. Constant deliverability monitoring.

Why send emails with Mailtrap SMTP Service

≈ 1 sec email delivery time

Reach recipients’ inboxes within seconds. Mailtrap SMTP service takes care of your email delivery rates and sender reputation by default.

Straightforward setup

For SMTP relay, add and verify your domain – start sending fast, safe, and with consistent uptime.

Secure SMTP connection

SSL and TLS encryption for 587, 2525, and 25 SMTP ports ensure the security of your connection and email communication.

Automatic Email Authentication

Mailtrap SMTP Service provides and validates all essential DNS records (SPF, DKIM, DMARC) Additionally, DKIM keys are rotated monthly.

Deliverability alerts

Receive weekly reports every Monday and timely critical alerts if there are sudden drops in your deliverability metrics. Quickly identify and resolve any sending issues on time.

Actionable email analytics

Helicopter-view dashboards, drill-down reports, up to 30-days of email logs with historical data, separate stats for each major email mailbox provider, and email category reports.

Trusted by 150,000+ monthly active users

Mailtrap SMTP Service: email sending made simple

  • Sign up and verify sending domain

    To start sending transactional emails with Mailtrap, create an account, add the sending domain, copy and paste all the essential DNS records, and verify your domain.

  • Integrate with your application

    Under Sending Domains, select SMTP in Integrations, use the given credentials to integrate with your app functionality.

  • Start sending emails

    Reach your recipients’ inboxes within seconds. Use Mailtrap SMTP Service for reliability and high deliverability rates.

From our #BestClientsEver

Joshua Anderton

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 – Jan 13, 2021


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 – Nov 07, 2020

Alessandro Rodi

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 – Oct 20, 2020

Mr. Glass

Shout out to @Mailtrap, hands down the best way to handle mail sending in local/test environments.
11:43 PM – May 21, 2020

Rado Georgiev 

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 – Jan 06, 2021

Doug Black Jr

Can we all agree @Mailtrap is a gift to developers everywhere? It just works SO easily out of the box!!!!
9:45 PM – Aug 11, 2020

Use Mailtrap Email Service to the Full

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