批量发送邮件
import smtplib from email.mime.text import MIMEText from email.mime.multipart import MIMEMultipart import ssl import time smtp_server = "example.test.com" port = 587# For starttls (consider using 587) sender_email = "example@test.com" password = "xxx" # WARNING: SSL verification is being DISABLED below. # This is INSECURE and should only be used for local testing. context = ssl._create_unverified_context() print("WARNING: SSL certificate verification is DISABLED (INSECURE).") try: server = smtplib.SMTP(smtp_server, port) server.ehlo() # 可以省略 # Start TLS using an unverified (insecure) context server.starttls(context=context) # INSECURE: certificate not verified server.ehlo() # 可以省略 server.login(sender_email, password) print("登录成功") # Create the email message message = MIMEMultipart("alternative") message["Subject"] = "测试主题" message["From"] = sender_email # message["To"] = "example@test.com" text = "test" html = """ <html> <body> <p>test<br> test! </p> </body> </html> """ part1 = MIMEText(text, "plain") part2 = MIMEText(html, "html") message.attach(part1) message.attach(part2) # Send the email to multiple recipients with a small delay recipients = ["example@test.com", "example@test.com"] for recipient in recipients: message["To"] = recipient try: server.sendmail(sender_email, recipient, message.as_string()) print(f"邮件已发送至: {recipient}") time.sleep(2) # 适当的时间间隔 except Exception as e: print(f"发送邮件到 {recipient} 时出错: {e}") except Exception as e: print(f"错误: {e}") finally: # 仅在连接仍然存在时调用 quit() try: if 'server' in locals() and getattr(server, 'sock', None): server.quit() except Exception: pass发送附件邮件
from email.mime.base import MIMEBase from email import encoders message = MIMEMultipart() message["From"] = sender_email message["To"] = "receiver@example.com" message["Subject"] = "带附件的邮件" body = "这是一个带附件的邮件" message.attach(MIMEText(body, "plain")) filename = "document.pdf" with open(filename, "rb") as attachment: part = MIMEBase("application", "octet-stream") part.set_payload(attachment.read()) encoders.encode_base64(part) part.add_header( "Content-Disposition", f"attachment; filename= {filename}", ) message.attach(part)
