向收件人列表发送电子邮件python smtp

import smtplib
from email.mime.text import MIMEText
from email.header import Header

# 邮件服务器的地址和端口
smtp_server = 'smtp.example.com'
smtp_port = 25

# 发件人和收件人的邮箱地址
sender = 'sender@example.com'
receivers = ['recipient1@example.com', 'recipient2@example.com']

# 邮件内容
subject = '这是一封测试邮件'
message = '这是一封使用Python发送的测试邮件。'

# 创建邮件对象
msg = MIMEText(message, 'plain', 'utf-8')
msg['Subject'] = Header(subject, 'utf-8')
msg['From'] = sender
msg['To'] = ','.join(receivers)

try:
    # 连接邮件服务器
    smtp_obj = smtplib.SMTP(smtp_server, smtp_port)
    # 发送邮件
    smtp_obj.sendmail(sender, receivers, msg.as_string())
    print('邮件发送成功')
except smtplib.SMTPException as e:
    print('邮件发送失败:', str(e))