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Your email sending service should do more than just deliver emails.

Choose SMTP2GO for real-time reporting, fast support, and easy setup.

Try SMTP2GO Free

Email Delivery You Can Count On

Automatic blacklist monitoring. Spam-trap detection and notifications. DKIM/SPF technology.

Super-Simple Setup & Support

Get started in just a few clicks. Helpful support and set-up assistance via ticket, phone and live chat.

Email Deliverability Reporting

Real-time performance dashboard with bounce and spam tracking, plus customizable weekly reporting.

Join over 35,000 customers using SMTP2GO to deliver more emails.

Try SMTP2GO free and send up to 1,000 emails per month, for as long as you like.

Get Started

No credit card required

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All prices in USD

Our Promise: If you don’t love us within 30 days, we’ll give you a full refund.

An understandable API.

If you've tried using APIs in the past, you'll know they are often extremely complex and frustrating.

Our API is designed to be used with the minimum of mental effort from your developers. We include full examples of code in multiple languages. See our API documentation.

  • JavaScript
  • NodeJS
  • PHP
  • Ruby
  • Python
      $.ajax({

        url: "https://api.smtp2go.com/v3/email/send",

        method: 'POST',

        headers: { 'Content-Type': "application/json" },


        data: JSON.stringify({

          'api_key': "api-526EA362E1E6AAD9F23C91C88F4E",

          'to': [

            "Dave <dave@example.com>"
          ],

          'sender': "Matt <matt@example.com>",

          'subject': "Testing smtp2go!",

          'text_body': "Test message."

          }),

        })

      .done(function(result) { console.log(result); })

      .fail(function(err) { throw err; });




    
      var request = require('request');

      request.post({

        url: "https://api.smtp2go.com/v3/email/send",

        headers: { 'Content-Type': "application/json" },

        body: JSON.stringify({

          'api_key': "api-526EA362E1E6AAD9F23C91C88F4E",

          'to': [

            "Dave <dave@example.com>"

          ],

          'sender': "Matt <matt@example.com>",

          'subject': "Testing smtp2go!",

          'text_body': "Test message."

        }),

      }, function(err, response, body){ console.log(body); });







    
    
      <?php

        $curl = curl_init();

        curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);

        curl_setopt($curl, CURLOPT_POST, 1);

        curl_setopt($curl, CURLOPT_HTTPHEADER, array("Content-Type: application/json"));

        curl_setopt($curl, CURLOPT_URL, "https://api.smtp2go.com/v3/email/send");

        curl_setopt($curl, CURLOPT_POSTFIELDS, json_encode(array(

          "api_key" => "api-526EA362E1E6AAD9F23C91C88F4E",

          "to" => array(

            0 => "Dave <dave@example.com>"

          ),

          "sender" => "Matt <matt@example.com>",

          "subject" => "Testing smtp2go!",

          "text_body" => "Test message."

        )));

        $result = curl_exec($curl);

        echo $result;

      ?>
    
      uri = URI("https://api.smtp2go.com/v3/email/send")

      http = Net::HTTP.new(uri.host, uri.port)

      http.use_ssl = true

      headers = { "Content-Type" => "application/json" }

      request = Net::HTTP::Post.new(uri.request_uri, headers)

      request.body = {

        "api_key" => "api-526EA362E1E6AAD9F23C91C88F4E",

        "to" => [

          "Dave <dave@example.com>"

        ],

        "sender" => "Matt <matt@example.com>",

        "subject" => "Testing smtp2go!",

        "text_body" => "Test message."

      }.to_json

      @result = http.request(request).body

      puts @result




    
      import requests

      import json


      payload = {

        "api_key": "api-526EA362E1E6AAD9F23C91C88F4E",

        "to": [

          "Dave <dave@example.com>"

        ],

        "sender": "Matt <matt@example.com>",

        "subject": "Testing smtp2go!",

        "text_body": "Test message."

      }

      headers = { "Content-Type": "application/json" }

      res = requests.post("https://api.smtp2go.com/v3/email/send", headers=headers, data=json.dumps(payload))

      if res.status_code == requests.codes.ok:

        print(res.json)

      else:

        print("An Error Occurred: " + res.text)

Convenient SMTP Service Features

Send Different Types of Emails

Send transactional emails from your app, general emails from Outlook, or marketing emails with a built-in unsubscribe link.

Stay Out Of Spam Folders

Create and maintain correct SPF and DKIM records for your domain names, no prior knowledge required.

Get alerted about problems

We stay a step ahead of blacklists by preventing the cause of problems before they happen.

Deliverability, tracking, stability - read what's been said about us below.

Trustpilot

From our Blog

Whitelisting: How Does it Apply to My Emails?

By whitelisting, you avoid unnecessary spam filters and blacklist checks. See what whitelisting is and how to ensure your emails don’t go to spam.

Read more

Private: Virgin Active uses SMTP2GO to Better Reach its Members

Learn how Virgin Active uses SMTP2GO for the sending of all member communications – from bespoke news bulletins, class bookings and the transmission of members’ contracts.

Read more

Emails vs Social Media: The Ultimate Showdown

Emails vs Social Media: Which is more effective? In a world dominated by fast-paced social media, many companies are left wondering, “Are we wasting our time with emails?”

Read more

Ready to get started?

Try SMTP2GO free for as long as you like:

Try SMTP2GO Free → Paid plans available for over 1,000 emails/month.