init

app/infrastructure/integrations/email/smtp_sender.py

@@ -0,0 +1,32 @@
+from __future__ import annotations
+
+import os
+from email.message import EmailMessage
+
+import aiosmtplib
+
+
+class SmtpWelcomeEmailSender:
+    def __init__(self) -> None:
+        self._host = os.getenv("SMTP_HOST", "localhost")
+        self._port = int(os.getenv("SMTP_PORT", "1025"))
+        self._username = os.getenv("SMTP_USERNAME")
+        self._password = os.getenv("SMTP_PASSWORD")
+        self._from_email = os.getenv("SMTP_FROM_EMAIL", "noreply@example.com")
+        self._use_tls = os.getenv("SMTP_USE_TLS", "false").lower() == "true"
+
+    async def send_welcome(self, *, to_email: str, full_name: str) -> None:
+        msg = EmailMessage()
+        msg["From"] = self._from_email
+        msg["To"] = to_email
+        msg["Subject"] = "Welcome!"
+        msg.set_content(f"Hi, {full_name}! Welcome to our service.")
+
+        await aiosmtplib.send(
+            msg,
+            hostname=self._host,
+            port=self._port,
+            username=self._username,
+            password=self._password,
+            start_tls=self._use_tls,
+        )