feat: test email script (#3937)

* feat: script for testing emails

* chore: rename subject and body for the mail

apiserver/plane/db/management/commands/test_email.py

@@ -0,0 +1,61 @@
+from django.core.mail import EmailMultiAlternatives, get_connection
+from django.core.management import BaseCommand, CommandError
+
+from plane.license.utils.instance_value import get_email_configuration
+
+
+class Command(BaseCommand):
+    """Django command to pause execution until db is available"""
+
+    def add_arguments(self, parser):
+        # Positional argument
+        parser.add_argument("to_email", type=str, help="receiver's email")
+
+    def handle(self, *args, **options):
+        receiver_email = options.get("to_email")
+
+        if not receiver_email:
+            raise CommandError("Reciever email is required")
+
+        (
+            EMAIL_HOST,
+            EMAIL_HOST_USER,
+            EMAIL_HOST_PASSWORD,
+            EMAIL_PORT,
+            EMAIL_USE_TLS,
+            EMAIL_FROM,
+        ) = get_email_configuration()
+
+        connection = get_connection(
+            host=EMAIL_HOST,
+            port=int(EMAIL_PORT),
+            username=EMAIL_HOST_USER,
+            password=EMAIL_HOST_PASSWORD,
+            use_tls=EMAIL_USE_TLS == "1",
+            timeout=30,
+        )
+        # Prepare email details
+        subject = "Email Notification from Plane"
+        message = (
+            "This is a sample email notification sent from Plane application."
+        )
+
+        self.stdout.write(self.style.SUCCESS("Trying to send test email..."))
+
+        # Send the email
+        try:
+            msg = EmailMultiAlternatives(
+                subject=subject,
+                body=message,
+                from_email=EMAIL_FROM,
+                to=[receiver_email],
+                connection=connection,
+            )
+            msg.send()
+            self.stdout.write(self.style.SUCCESS("Email succesfully sent"))
+        except Exception as e:
+            self.stdout.write(
+                self.style.ERROR(
+                    f"Error: Email could not be delivered due to {e}"
+                )
+            )