怎么用python自动发邮件

在Python中，你可以使用内置的`smtplib`库或者第三方库如`smtplib`, `email`, 或者更高级的`yagmail`、`mailchimp`等来发送电子邮件。这里是一个基本的例子，展示如何使用`smtplib`发送纯文本邮件：

import smtplib
from email.mime.text import MIMEText

# 邮件设置
sender = 'your_email@example.com'
receiver = 'recipient_email@example.com'
password = 'your_email_password'
subject = 'Hello from Python'
body = 'This is a test email sent using Python.'

# 创建邮件对象
msg = MIMEText(body)
msg['From'] = sender
msg['To'] = receiver
msg['Subject'] = subject

try:
    # 连接到SMTP服务器
    smtp_server = "smtp.example.com"  # 替换为你邮箱的SMTP服务器地址
    smtp_port = 587  # 或者465 for SSL/TLS
    server = smtplib.SMTP(smtp_server, smtp_port)
    
    # 启动TLS加密连接（如果需要）
    server.starttls()

    # 登录到邮箱
    server.login(sender, password)

    # 发送邮件
    server.send_message(msg)

    print("Email sent successfully!")
except Exception as e:
    print(f"Failed to send email: {str(e)}")

finally:
    # 关闭连接
    server.quit()