Why Backstage

import os
import sendgrid
from sendgrid.helpers.mail import Mail, Email, To, Content

SENDGRID_API_KEY = os.getenv("SENDGRID_API_KEY")
SENDER_EMAIL = os.getenv("SENDER_EMAIL")
RECEIVER_EMAIL = "customer@example.com"
SUBJECT = "Welcome to Our Application!"
BODY = "Thank you for using our app! We are glad to have you onboard."

if not SENDGRID_API_KEY or not SENDER_EMAIL:
    raise EnvironmentError("Missing SendGrid configuration. Check environment variables.")

sg = sendgrid.SendGridAPIClient(api_key=SENDGRID_API_KEY)

from_email = Email(SENDER_EMAIL)
to_email = To(RECEIVER_EMAIL)
subject = SUBJECT
content = Content("text/plain", BODY)

mail = Mail(from_email, to_email, subject, content)

try:
    response = sg.send(mail)
    print(f"Email sent successfully! Status Code: {response.status_code}")
except Exception as e:
    print(f"Failed to send email: {e}")

import os
import smtplib
from email.mime.text import MIMEText
from email.mime.multipart import MIMEMultipart

SMTP_SERVER = os.getenv("SMTP_SERVER")
SMTP_PORT = int(os.getenv("SMTP_PORT", 587))
SENDER_EMAIL = os.getenv("SENDER_EMAIL")
SENDER_PASSWORD = os.getenv("SENDER_PASSWORD")
RECEIVER_EMAIL = "customer@example.com"
SUBJECT = "Welcome to Our Application!"
BODY = "Thank you for using our app! We are glad to have you onboard."

if not SMTP_SERVER or not SENDER_EMAIL or not SENDER_PASSWORD:
    raise EnvironmentError("Missing SMTP configuration. Check environment variables.")

message = MIMEMultipart()
message["From"] = SENDER_EMAIL
message["To"] = RECEIVER_EMAIL
message["Subject"] = SUBJECT
message.attach(MIMEText(BODY, "plain"))

try:
    with smtplib.SMTP(SMTP_SERVER, SMTP_PORT) as server:
        server.starttls()
        server.login(SENDER_EMAIL, SENDER_PASSWORD)
        server.sendmail(SENDER_EMAIL, RECEIVER_EMAIL, message.as_string())
        print("Email sent successfully!")
except Exception as e:
    print(f"Failed to send email: {e}")