iCloud Mail SMTP Settings (2026)

# iCloud Mail SMTP Configuration
SMTP_HOST=smtp.mail.me.com
SMTP_PORT=587        # STARTTLS (recommended)
SMTP_SECURITY=TLS    # or SSL for port 465
SMTP_USERNAME=your-email@icloud.com
SMTP_PASSWORD=abcd-efgh-ijkl-mnop  # App-Specific Password

# Python - Using smtplib (standard library)
import smtplib
from email.mime.text import MIMEText
from email.mime.multipart import MIMEMultipart

# iCloud SMTP Configuration
SMTP_HOST = "smtp.mail.me.com"
SMTP_PORT = 587  # STARTTLS
ICLOUD_EMAIL = "your-email@icloud.com"
APP_PASSWORD = "abcd-efgh-ijkl-mnop"  # App-Specific Password

def send_email(to_email, subject, body):
    # Create message
    msg = MIMEMultipart()
    msg['From'] = ICLOUD_EMAIL
    msg['To'] = to_email
    msg['Subject'] = subject
    msg.attach(MIMEText(body, 'plain'))

    # Connect using STARTTLS (port 587)
    with smtplib.SMTP(SMTP_HOST, SMTP_PORT) as server:
        server.starttls()  # Upgrade to TLS
        server.login(ICLOUD_EMAIL, APP_PASSWORD)
        server.send_message(msg)
        print("Email sent successfully!")

# Alternative: Using SSL (port 465)
def send_email_ssl(to_email, subject, body):
    msg = MIMEMultipart()
    msg['From'] = ICLOUD_EMAIL
    msg['To'] = to_email
    msg['Subject'] = subject
    msg.attach(MIMEText(body, 'plain'))

    with smtplib.SMTP_SSL(SMTP_HOST, 465) as server:
        server.login(ICLOUD_EMAIL, APP_PASSWORD)
        server.send_message(msg)

# Usage
send_email(
    "recipient@example.com",
    "Hello from iCloud!",
    "This email was sent via iCloud Mail SMTP."
)

// PHP - Using PHPMailer
// Install: composer require phpmailer/phpmailer

use PHPMailer\PHPMailer\PHPMailer;
use PHPMailer\PHPMailer\SMTP;
use PHPMailer\PHPMailer\Exception;

require 'vendor/autoload.php';

$mail = new PHPMailer(true);

try {
    // Server settings
    $mail->isSMTP();
    $mail->Host       = 'smtp.mail.me.com';
    $mail->SMTPAuth   = true;
    $mail->Username   = 'your-email@icloud.com';
    $mail->Password   = 'abcd-efgh-ijkl-mnop';  // App-Specific Password
    $mail->SMTPSecure = PHPMailer::ENCRYPTION_STARTTLS;
    $mail->Port       = 587;

    // For SSL (port 465) use:
    // $mail->SMTPSecure = PHPMailer::ENCRYPTION_SMTPS;
    // $mail->Port       = 465;

    // Recipients
    $mail->setFrom('your-email@icloud.com', 'Your Name');
    $mail->addAddress('recipient@example.com');

    // Content
    $mail->isHTML(true);
    $mail->Subject = 'Hello from iCloud!';
    $mail->Body    = 'This is a <b>test email</b> sent via iCloud SMTP.';
    $mail->AltBody = 'This is a test email sent via iCloud SMTP.';

    $mail->send();
    echo 'Email sent successfully!';
} catch (Exception $e) {
    echo "Failed to send: {$mail->ErrorInfo}";
}

// Node.js - Using Nodemailer
// Install: npm install nodemailer

const nodemailer = require('nodemailer');

// Create transporter with iCloud SMTP
const transporter = nodemailer.createTransport({
    host: 'smtp.mail.me.com',
    port: 587,
    secure: false, // Use STARTTLS
    auth: {
        user: 'your-email@icloud.com',
        pass: 'abcd-efgh-ijkl-mnop' // App-Specific Password
    },
    tls: {
        ciphers: 'SSLv3'
    }
});

// For SSL (port 465) use:
// const transporter = nodemailer.createTransport({
//     host: 'smtp.mail.me.com',
//     port: 465,
//     secure: true,
//     auth: { user: '...', pass: '...' }
// });

// Send email
async function sendEmail() {
    try {
        const info = await transporter.sendMail({
            from: '"Your Name" <your-email@icloud.com>',
            to: 'recipient@example.com',
            subject: 'Hello from iCloud!',
            text: 'This email was sent via iCloud SMTP.',
            html: '<p>This email was sent via <b>iCloud SMTP</b>.</p>'
        });

        console.log('Email sent:', info.messageId);
    } catch (error) {
        console.error('Error sending email:', error);
    }
}

sendEmail();

# Ruby - Using Mail gem
# Install: gem install mail

require 'mail'

# Configure iCloud SMTP
Mail.defaults do
  delivery_method :smtp, {
    address:              'smtp.mail.me.com',
    port:                 587,
    user_name:            'your-email@icloud.com',
    password:             'abcd-efgh-ijkl-mnop',  # App-Specific Password
    authentication:       :login,
    enable_starttls_auto: true
  }
end

# Create and send email
mail = Mail.new do
  from     'your-email@icloud.com'
  to       'recipient@example.com'
  subject  'Hello from iCloud!'
  body     'This email was sent via iCloud Mail SMTP.'
end

mail.deliver!
puts "Email sent successfully!"

// Swift - Using SwiftSMTP
// Add to Package.swift: .package(url: "https://github.com/Kitura/Swift-SMTP")

import SwiftSMTP

// Configure iCloud SMTP
let smtp = SMTP(
    hostname: "smtp.mail.me.com",
    email: "your-email@icloud.com",
    password: "abcd-efgh-ijkl-mnop",  // App-Specific Password
    port: 587,
    tlsMode: .requireSTARTTLS,
    tlsConfiguration: nil
)

// Create email
let from = Mail.User(
    name: "Your Name",
    email: "your-email@icloud.com"
)
let to = Mail.User(
    name: "Recipient",
    email: "recipient@example.com"
)

let mail = Mail(
    from: from,
    to: [to],
    subject: "Hello from iCloud!",
    text: "This email was sent via iCloud SMTP using Swift."
)

// Send email
smtp.send(mail) { error in
    if let error = error {
        print("Error: \(error)")
    } else {
        print("Email sent successfully!")
    }
}