diff --git a/lib/Mailer/ElasticEmail.php b/lib/Mailer/ElasticEmail.php
new file mode 100644
index 0000000000..f6206f6644
--- /dev/null
+++ b/lib/Mailer/ElasticEmail.php
@@ -0,0 +1,63 @@
+<?php
+namespace MailPoet\Mailer;
+
+if(!defined('ABSPATH')) exit;
+
+class ElasticEmail {
+  function __construct($api_key, $from_email, $from_name, $newsletter, $subscribers) {
+    $this->url = 'https://api.elasticemail.com/mailer/send';
+    $this->api_key = $api_key;
+    $this->newsletter = $newsletter;
+    $this->subscribers = $subscribers;
+    $this->from_name = $from_name;
+    $this->from_email = $from_email;
+  }
+
+  function send() {
+    $result = wp_remote_post(
+      $this->url,
+      $this->request()
+    );
+    return preg_match('/\w{8}-\w{4}-\w{4}-\w{4}-\w{12}/', $result['body']);
+  }
+
+  function getSubscribers() {
+    $subscribers = array_map(function ($subscriber) {
+      if(!isset($subscriber['email'])) return;
+      $first_name = (isset($subscriber['first_name'])) ? $subscriber['first_name'] : '';
+      $last_name = (isset($subscriber['last_name'])) ? $subscriber['last_name'] : '';
+      $subscriber = sprintf('%s %s <%s>', $first_name, $last_name, $subscriber['email']);
+      $subscriber = trim(preg_replace('!\s\s+!', ' ', $subscriber));
+      return $subscriber;
+    }, $this->subscribers);
+    return implode(';', array_filter($subscribers));
+  }
+
+  function getBody() {
+    $parameters = array(
+      'api_key' => $this->api_key,
+      'from' => $this->from_email,
+      'from_name' => $this->from_name,
+      'to' => $this->getSubscribers(),
+      'subject' => $this->newsletter['subject'],
+      'body_html' => $this->newsletter['body']
+    );
+
+    $body = array_map(function ($parameter, $value) {
+      return $parameter . '=' . urlencode($value);
+    }, array_keys($parameters), $parameters);
+    return implode('&', $body);
+  }
+
+  function request() {
+    return array(
+      'timeout' => 10,
+      'httpversion' => '1.0',
+      'method' => 'POST',
+      'headers' => array(
+        'Content-Type' => 'application/x-www-form-urlencoded'
+      ),
+      'body' => $this->getBody()
+    );
+  }
+}
\ No newline at end of file
diff --git a/lib/Mailer/SendGrid.php b/lib/Mailer/SendGrid.php
new file mode 100644
index 0000000000..3f1125284a
--- /dev/null
+++ b/lib/Mailer/SendGrid.php
@@ -0,0 +1,64 @@
+<?php
+namespace MailPoet\Mailer;
+
+if(!defined('ABSPATH')) exit;
+
+class SendGrid {
+  function __construct($api_key, $from_email, $from_name, $newsletter, $subscribers) {
+    $this->url = 'https://api.sendgrid.com/api/mail.send.json';
+    $this->api_key = $api_key;
+    $this->newsletter = $newsletter;
+    $this->subscribers = $subscribers;
+    $this->from_name = $from_name;
+    $this->from_email = $from_email;
+  }
+
+  function send() {
+    if (!count($this->getSubscribers())) return false;
+    $result = wp_remote_post(
+      $this->url,
+      $this->request()
+    );
+    $result = json_decode($result['body'], true);
+    return (isset($result['errors']) === false);
+  }
+
+  function getSubscribers() {
+    $subscribers = array_map(function ($subscriber) {
+      if(!isset($subscriber['email'])) return;
+      $first_name = (isset($subscriber['first_name'])) ? $subscriber['first_name'] : '';
+      $last_name = (isset($subscriber['last_name'])) ? $subscriber['last_name'] : '';
+      $subscriber = sprintf('%s %s <%s>', $first_name, $last_name, $subscriber['email']);
+      $subscriber = trim(preg_replace('!\s\s+!', ' ', $subscriber));
+      return $subscriber;
+    }, $this->subscribers);
+    return array_filter($subscribers);
+  }
+
+  function getBody() {
+    $parameters = array(
+      'from' => sprintf('%s <%s>', $this->from_name, $this->from_email),
+      'x-smtpapi' => json_encode(array('to' => $this->getSubscribers())),
+      'to' => $this->from_email,
+      'subject' => $this->newsletter['subject'],
+      'html' => $this->newsletter['body']
+    );
+    $body = array_map(function ($parameter, $value) {
+      return $parameter . '=' . urlencode($value);
+    }, array_keys($parameters), $parameters);
+    return implode('&', array_filter($body));
+  }
+
+  function request() {
+    return array(
+      'timeout' => 10,
+      'httpversion' => '1.1',
+      'method' => 'POST',
+      'headers' => array(
+        'Authorization' => 'Bearer ' . $this->api_key,
+        'Content-Type' => 'application/x-www-form-urlencoded'
+      ),
+      'body' => $this->getBody()
+    );
+  }
+}
\ No newline at end of file
diff --git a/tests/unit/Mailer/ElasticEmailCest.php b/tests/unit/Mailer/ElasticEmailCest.php
new file mode 100644
index 0000000000..eea41f6609
--- /dev/null
+++ b/tests/unit/Mailer/ElasticEmailCest.php
@@ -0,0 +1,115 @@
+<?php
+
+use MailPoet\Mailer\ElasticEmail;
+
+class ElasticEmailCest {
+  function __construct() {
+    $this->data = array(
+      'api_key' => '997f1f7f-41de-4d7f-a8cb-86c8481370fa',
+      'from_email' => 'vlad@mailpoet.com',
+      'from_name' => 'Vlad',
+      'newsletter' => array(
+        'subject' => 'hi there!',
+        'body' => 'this is a test message....'
+      ),
+      'subscribers' => array(
+        array(
+          'email' => 'johndoe@mailpoet.com',
+          'last_name' => 'Smith'
+        ),
+        array(
+          'email' => 'janesmith@mailpoet.com',
+          'first_name' => 'Jane',
+          'last_name' => 'Smith'
+        ),
+        array(
+          'email' => 'someone@mailpoet.com',
+        ),
+        array()
+      )
+    );
+
+    $this->mailer = new ElasticEmail(
+      $this->data['api_key'],
+      $this->data['from_email'],
+      $this->data['from_name'],
+      $this->data['newsletter'],
+      $this->data['subscribers']);
+  }
+
+  function itCanGenerateSubscribers() {
+    $subscribers = explode(';', $this->mailer->getSubscribers());
+    expect(count($subscribers))->equals(3);
+
+    // test proper handling of spaces between first/last name
+    expect($subscribers[0])->equals(
+      $this->data['subscribers'][0]['last_name'] . ' <' . $this->data['subscribers'][0]['email'] . '>'
+    );
+    expect($subscribers[1])->equals(
+      $this->data['subscribers'][1]['first_name'] . ' ' .
+      $this->data['subscribers'][1]['last_name'] .
+      ' <' . $this->data['subscribers'][1]['email'] . '>'
+    );
+  }
+
+  function itCanGenerateBody() {
+    $urlEncodedBody = $this->mailer->getBody();
+    expect($urlEncodedBody)
+      ->contains(urlencode($this->data['newsletter']['subject']));
+
+    $body = explode('&', urldecode($urlEncodedBody));
+    expect($body[0])
+      ->equals("api_key=" . $this->data['api_key']);
+    expect($body[1])
+      ->equals("from=" . $this->data['from_email']);
+    expect($body[2])
+      ->equals("from_name=" . $this->data['from_name']);
+    expect($body[3])
+      ->contains($this->data['subscribers'][0]['email']);
+    expect($body[4])
+      ->equals("subject=" . $this->data['newsletter']['subject']);
+    expect($body[5])
+      ->equals("body_html=" . $this->data['newsletter']['body']);
+  }
+
+  function itCanCreateRequest() {
+    $request = $this->mailer->request();
+    expect($request['timeout'])
+      ->equals(10);
+    expect($request['httpversion'])
+      ->equals('1.0');
+    expect($request['method'])
+      ->equals('POST');
+    expect($request['headers']['Content-Type'])
+      ->equals('application/x-www-form-urlencoded');
+    expect($request['body'])
+      ->equals($this->mailer->getBody());
+  }
+
+  function itCannotSendWithoutSubscribers() {
+    $mailer = new ElasticEmail(
+      $this->data['api_key'],
+      $this->data['from_email'],
+      $this->data['from_name'],
+      $this->data['newsletter'],
+      array()
+    );
+    expect($mailer->send())->equals(false);
+  }
+
+  function itCannotSendWithoutProperAPIKey() {
+    $mailer = new ElasticEmail(
+      'someapikey',
+      $this->data['from_email'],
+      $this->data['from_name'],
+      $this->data['newsletter'],
+      $this->data['subscribers']
+    );
+    expect($mailer->send())->equals(false);
+  }
+
+  function itCanSend() {
+    $result = $this->mailer->send();
+    expect($result)->equals(true);
+  }
+}
diff --git a/tests/unit/Mailer/SendGridCest.php b/tests/unit/Mailer/SendGridCest.php
new file mode 100644
index 0000000000..c54b68119b
--- /dev/null
+++ b/tests/unit/Mailer/SendGridCest.php
@@ -0,0 +1,112 @@
+<?php
+
+use MailPoet\Mailer\SendGrid;
+
+class SendGridCest {
+  function __construct() {
+    $this->data = array(
+      'api_key' => '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',
+      'from_email' => 'vlad@mailpoet.com',
+      'from_name' => 'Vlad',
+      'newsletter' => array(
+        'subject' => 'hi there!',
+        'body' => 'this is a test message....'
+      ),
+      'subscribers' => array(
+        array(
+          'email' => 'johndoe@mailpoet.com',
+          'last_name' => 'Smith'
+        ),
+        array(
+          'email' => 'janesmith@mailpoet.com',
+          'first_name' => 'Jane',
+          'last_name' => 'Smith'
+        ),
+        array(
+          'email' => 'someone@mailpoet.com',
+        ),
+        array()
+      )
+    );
+
+    $this->mailer = new SendGrid(
+      $this->data['api_key'],
+      $this->data['from_email'],
+      $this->data['from_name'],
+      $this->data['newsletter'],
+      $this->data['subscribers']);
+  }
+
+  function itCanGenerateSubscribers() {
+    $subscribers = $this->mailer->getSubscribers();
+    expect(count($subscribers))->equals(3);
+    // test proper handling of spaces between first/last name
+    expect($subscribers[0])->equals(
+      $this->data['subscribers'][0]['last_name'] . ' <' . $this->data['subscribers'][0]['email'] . '>'
+    );
+    expect($subscribers[1])->equals(
+      $this->data['subscribers'][1]['first_name'] . ' ' .
+      $this->data['subscribers'][1]['last_name'] .
+      ' <' . $this->data['subscribers'][1]['email'] . '>'
+    );
+  }
+
+  function itCanGenerateBody() {
+    $urlEncodedBody = $this->mailer->getBody();
+    expect($urlEncodedBody)
+      ->contains(urlencode($this->data['newsletter']['subject']));
+
+    $body = explode('&', urldecode($urlEncodedBody));
+    expect($body[0])
+      ->equals("from=" . sprintf('%s <%s>', $this->data['from_name'], $this->data['from_email']));
+    expect($body[1])
+      ->contains($this->data['subscribers'][0]['email']);
+    expect($body[2])
+      ->equals("to=" . $this->data['from_email']);
+    expect($body[3])
+      ->equals("subject=" . $this->data['newsletter']['subject']);
+    expect($body[4])
+      ->equals("html=" . $this->data['newsletter']['body']);
+  }
+
+    function itCanCreateRequest() {
+      $request = $this->mailer->request();
+      expect($request['timeout'])
+        ->equals(10);
+      expect($request['httpversion'])
+        ->equals('1.1');
+      expect($request['method'])
+        ->equals('POST');
+      expect($request['headers']['Content-Type'])
+        ->equals('application/x-www-form-urlencoded');
+      expect($request['body'])
+        ->equals($this->mailer->getBody());
+    }
+
+    function itCannotSendWithoutSubscribers() {
+      $mailer = new SendGrid(
+        $this->data['api_key'],
+        $this->data['from_email'],
+        $this->data['from_name'],
+        $this->data['newsletter'],
+        array()
+      );
+      expect($mailer->send())->equals(false);
+    }
+
+    function itCannotSendWithoutProperAPIKey() {
+      $mailer = new SendGrid(
+        'someapikey',
+        $this->data['from_email'],
+        $this->data['from_name'],
+        $this->data['newsletter'],
+        $this->data['subscribers']
+      );
+      expect($mailer->send())->equals(false);
+    }
+
+    function itCanSend() {
+      $result = $this->mailer->send();
+      expect($result)->equals(true);
+    }
+}