Python电子邮件发送给多个收件人

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

sender_email = "your_email@example.com"
password = "your_email_password"

recipients = ["recipient1@example.com", "recipient2@example.com", "recipient3@example.com"]

message = MIMEMultipart()
message["Subject"] = "邮件主题"
message["From"] = sender_email
message["To"] = ", ".join(recipients)

message.attach(MIMEText("邮件正文", "plain"))

# 添加附件
# attachment = open("path_to_attachment_file", "rb")
# mime_attachment = MIMEBase("application", "octet-stream")
# mime_attachment.set_payload((attachment).read())
# encoders.encode_base64(mime_attachment)
# mime_attachment.add_header("Content-Disposition", "attachment; filename=attachment_filename")
# message.attach(mime_attachment)

with smtplib.SMTP("smtp.example.com", 587) as server:
    server.starttls()
    server.login(sender_email, password)
    server.send_message(message)