Python实现邮件自动群发功能

import smtplib
from email.mime.text import MIMEText
from email.mime.multipart import MIMEMultipart
from email.header import Header
import time
def send_emails(sender_email, sender_password, receivers, subject, content,
                smtp_server="smtp.qq.com", smtp_port=465, use_ssl=True):
    """
    批量发送邮件
    参数说明:
        sender_email:     发件人邮箱地址
        sender_password:  邮箱授权码（非登录密码）
        receivers:        收件人列表，如 ["a@qq.com", "b@163.com"]
        subject:          邮件主题
        content:          邮件正文（支持HTML格式）
        smtp_server:      SMTP服务器地址，默认QQ邮箱
        smtp_port:        端口，SSL默认465，TLS默认587
        use_ssl:          是否使用SSL加密，默认True
    """
    # 统计结果
    success_count = 0
    fail_list = []
    for i, receiver in enumerate(receivers):
        try:
            # 创建邮件对象
            msg = MIMEMultipart('alternative')
            msg['From'] = sender_email
            msg['To'] = receiver
            msg['Subject'] = Header(subject, 'utf-8')
            # 添加正文（支持HTML）
            msg.attach(MIMEText(content, 'html', 'utf-8'))
            # 连接SMTP服务器
            if use_ssl:
                server = smtplib.SMTP_SSL(smtp_server, smtp_port)
            else:
                server = smtplib.SMTP(smtp_server, smtp_port)
                server.starttls()
            server.login(sender_email, sender_password)
            server.sendmail(sender_email, [receiver], msg.as_string())
            server.quit()
            success_count += 1
            print(f"[成功] 第{i+1}封 -> {receiver}")
            # 避免触发频率限制，每次发送间隔1秒
            time.sleep(1)
        except Exception as e:
            fail_list.append((receiver, str(e)))
            print(f"[失败] 第{i+1}封 -> {receiver}，原因：{e}")
    # 输出汇总
    print("\n" + "="*40)
    print(f"发送完成！成功：{success_count}，失败：{len(fail_list)}")
    if fail_list:
        print("失败详情：")
        for addr, reason in fail_list:
            print(f"  {addr}: {reason}")
    return success_count, fail_list
# ========== 使用示例 ==========
if __name__ == "__main__":
    # -------- 配置区（请修改为实际信息）--------
    MY_EMAIL = "your_email@qq.com"          # 你的邮箱
    MY_PASSWORD = "your_authorization_code" # 邮箱授权码
    RECEIVERS = [
        "colleague1@company.com",
        "colleague2@company.com",
        "colleague3@company.com"
    ]
    SUBJECT = "【重要】本周工作安排通知"
    CONTENT = """
    <h3>各位同事好：</h3>
    <p>以下是本周工作安排：</p>
    <ul>
        <li>周一：项目进度汇报</li>
        <li>周三：部门例会（14:00 会议室A）</li>
        <li>周五：提交周报</li>
    </ul>
    <p>如有疑问请及时联系我。</p>
    <br>
    <p style="color:gray;">此邮件由系统自动发送，请勿回复。</p>
    """
    # 执行发送
    send_emails(
        sender_email=MY_EMAIL,
        sender_password=MY_PASSWORD,
        receivers=RECEIVERS,
        subject=SUBJECT,
        content=CONTENT
    )

from email.mime.base import MIMEBase
from email import encoders
# 在创建msg后添加
with open("report.xlsx", "rb") as f:
    attachment = MIMEBase('application', 'octet-stream')
    attachment.set_payload(f.read())
    encoders.encode_base64(attachment)
    attachment.add_header('Content-Disposition', 'attachment', filename='report.xlsx')
    msg.attach(attachment)

import pandas as pd
df = pd.read_excel("contacts.xlsx")
receivers = df["邮箱"].tolist()

for name, email in zip(names, emails):
    personalized_content = CONTENT.replace("{姓名}", name)
    # ... 调用发送函数