smtplib不支持域名

import smtplib
from email.mime.text import MIMEText

# 邮件配置
smtp_server = 'smtp.example.com'  # 替换为你的 SMTP 服务器地址
smtp_port = 587  # 替换为你的 SMTP 服务器端口
sender_email = 'your_email@example.com'  # 替换为你的发件人邮箱
receiver_email = 'receiver_email@example.com'  # 替换为你的收件人邮箱
password = 'your_password'  # 替换为你的发件人邮箱密码

# 创建邮件内容
msg = MIMEText('Hello, this is a test email.')
msg['Subject'] = 'Test Email'
msg['From'] = sender_email
msg['To'] = receiver_email

# 连接到 SMTP 服务器并发送邮件
try:
    server = smtplib.SMTP(smtp_server, smtp_port)
    server.starttls()  # 启动 TLS 加密
    server.login(sender_email, password)
    server.sendmail(sender_email, [receiver_email], msg.as_string())
    server.quit()
    print('Email sent successfully!')
except Exception as e:
    print(f'Failed to send email: {e}')