Added Mailjet Messaging adapter

src/Utopia/Messaging/Adapters/Email/Mailjet.php

@@ -0,0 +1,84 @@
+<?php
+
+namespace Utopia\Messaging\Adapters\Email;
+
+use Utopia\Messaging\Adapters\Email as EmailAdapter;
+use Utopia\Messaging\Messages\Email;
+
+class Mailjet extends EmailAdapter
+{
+    /**
+     * @param  string  $apiKey Your Mailgun API key to authenticate with the API.
+     * @param  string  $apiSecret Your Mailgun domain to send messages from.
+     */
+    public function __construct(
+        private string $apiKey,
+        private string $apiSecret,
+    ) {
+    }
+
+    /**
+     * Get adapter name.
+     *
+     * @return string
+     */
+    public function getName(): string
+    {
+        return 'Mailjet';
+    }
+
+    /**
+     * Get adapter description.
+     *
+     * @return int
+     */
+    public function getMaxMessagesPerRequest(): int
+    {
+        return 50;
+    }
+
+    /**
+     * {@inheritdoc}
+     *
+     * @throws \Exception
+     */
+    protected function process(Email $message): string
+    {
+        $toEmail = [];
+        foreach ($message->getTo() as $emails) {
+            foreach ($emails as $email) {
+                $toEmail[] = [
+                    "Email" => $email,
+                    "Name" => $email
+                ];
+            }
+        }
+        $apiKey = $this->apiKey;
+        $apiSecret = $this->apiSecret;
+
+        $body = [
+            'Messages' => [
+                [
+                    'From' => [
+                        'Email' => $message->getFrom(),
+                        'Name' => $message->getFrom()
+                    ],
+                    'To' => $toEmail,
+                    'Subject' => $message->getSubject(),
+                    'TextPart' => $message->isHtml() ? null : $message->getContent(),
+                    'HTMLPart' =>  $message->isHtml() ? $message->getContent() : null
+                ]
+            ]
+        ];
+
+        return $this->request(
+            method: 'POST',
+            url: 'https://api.mailjet.com/v3.1/send',
+            headers: [
+                'Content-Type: application/json',
+                'Authorization: Basic ' . base64_encode("$apiKey:$apiSecret")
+            ],
+            body: \json_encode($body)
+        );
+    }
+}

tests/e2e/Email/MailjetTest.php

@@ -0,0 +1,39 @@
+<?php
+
+namespace Tests\E2E;
+
+use Utopia\Messaging\Adapters\Email\Mailjet;
+use Utopia\Messaging\Messages\Email;
+
+class MailjetTest extends Base
+{
+    /**
+     * @throws \Exception
+     */
+    public function testSendEmail()
+    {
+        $apiKey = getenv('MAILJET_API_KEY');
+        $apiSecret = getenv('MAILJET_API_SECRET');
+
+        $sender = new Mailjet(
+            apiKey: $apiKey,
+            apiSecret: $apiSecret,
+        );
+
+        $to = getenv('TEST_EMAIL');
+        $subject = 'Test Subject';
+        $content = 'Test Content';
+        $from = getenv('TEST_FROM_EMAIL');
+
+        $message = new Email(
+            to: [$to],
+            from: $from,
+            subject: $subject,
+            content: $content,
+        );
+
+        $result = (array) \json_decode($sender->send($message));
+
+        $this->assertEquals('success', $result['Messages'][0]->Status);
+    }
+}