Python使用smtplib + yagmail进行自动化发送邮件

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

# 发件人配置
smtp_server = "smtp.qq.com"
smtp_port = 465
sender = "your_name@qq.com"
password = "你的授权码"  # 不是QQ密码！

# 收件人
receiver = "someone@example.com"

# 构造邮件
subject = "本周工作汇报"
content = """
张老师，你好：

以下是本周工作总结：
1. 完成了秒杀系统的 Redis 集成
2. 发布了 5 篇 CSDN 技术文章
3. 正在准备考研数学复习

祝好！
"""

# 创建邮件对象
msg = MIMEText(content, "plain", "utf-8")
msg["From"] = Header(f"张政 <{sender}>")
msg["To"] = Header(f"{receiver}")
msg["Subject"] = Header(subject, "utf-8")

# 发送
try:
    with smtplib.SMTP_SSL(smtp_server, smtp_port) as server:
        server.login(sender, password)
        server.sendmail(sender, [receiver], msg.as_string())
    print("邮件发送成功！")
except Exception as e:
    print(f"发送失败: {e}")

html_content = """
<h2>本周工作汇报</h2>
<table border="1" cellpadding="5">
    <tr>
        <th>项目</th>
        <th>进度</th>
    </tr>
    <tr>
        <td>秒杀系统</td>
        <td style="color:green;">已完成</td>
    </tr>
    <tr>
        <td>CSDN 文章</td>
        <td>5 篇/周</td>
    </tr>
    <tr>
        <td>考研复习</td>
        <td>进行中</td>
    </tr>
</table>
<p>祝好！</p>
"""

msg = MIMEText(html_content, "html", "utf-8")

import smtplib
from email.mime.multipart import MIMEMultipart
from email.mime.text import MIMEText
from email.mime.base import MIMEBase
from email import encoders
import os

def send_email_with_attachment(sender, password, receiver, subject, body, file_path):
    """发送带附件的邮件"""

    # 创建 multipart 邮件对象
    msg = MIMEMultipart()
    msg["From"] = sender
    msg["To"] = receiver
    msg["Subject"] = subject

    # 邮件正文
    msg.attach(MIMEText(body, "plain", "utf-8"))

    # 附件
    with open(file_path, "rb") as f:
        attachment = MIMEBase("application", "octet-stream")
        attachment.set_payload(f.read())
        encoders.encode_base64(attachment)

        # 设置附件头（文件名）
        filename = os.path.basename(file_path)
        attachment.add_header(
            "Content-Disposition",
            f"attachment; filename={filename}"
        )
        msg.attach(attachment)

    # 发送
    with smtplib.SMTP_SSL("smtp.qq.com", 465) as server:
        server.login(sender, password)
        server.sendmail(sender, [receiver], msg.as_string())

    print(f"邮件已发送（含附件: {filename}）")

# 使用
send_email_with_attachment(
    sender="your_name@qq.com",
    password="授权码",
    receiver="boss@company.com",
    subject="季度报告",
    body="请查收季度报告附件。",
    file_path="季度报告.xlsx"
)

pip install yagmail

import yagmail

# 连接邮箱（只需配置一次）
yag = yagmail.SMTP(
    user="your_name@qq.com",
    password="授权码",
    host="smtp.qq.com",
    port=465,
)

# 发送邮件（一行搞定）
yag.send(
    to="someone@example.com",
    subject="本周工作汇报",
    contents="""
    张老师，你好：

    以下是本周工作总结：
    1. 完成秒杀系统
    2. 发了5篇CSDN
    """,
)

# 发送带附件
yag.send(
    to=["boss@company.com", "cc@company.com"],  # 支持多个收件人和抄送
    subject="季度报告",
    contents="请查收附件。",
    attachments=["季度报告.xlsx", "图表.png"],  # 附件列表
)

print("发送成功！")

import yagmail
import pandas as pd

yag = yagmail.SMTP("your_name@qq.com", "授权码", host="smtp.qq.com")

# 读取收件人列表（姓名+邮箱）
df = pd.read_excel("收件人名单.xlsx")

for _, row in df.iterrows():
    content = f"""
    {row['name']}老师，你好：

    请查收本周的教学计划安排。
    
    教学办
    """

    yag.send(
        to=row["email"],
        subject="本周教学计划通知",
        contents=content,
    )
    print(f"已发送给 {row['name']} ({row['email']})")

# 模板字符串
template = """
{name}老师，你好：

教务处通知：
{content}

请于 {deadline} 前提交。

教学办
"""

# 数据
data = [
    {"name": "张三", "content": "请提交期末试卷", "deadline": "6月30日"},
    {"name": "李四", "content": "请提交教学总结", "deadline": "7月5日"},
    {"name": "王五", "content": "请确认下学期的课程安排", "deadline": "7月10日"},
]

yag = yagmail.SMTP("your_name@qq.com", "授权码")

for item in data:
    content = template.format(**item)
    # 这里需要每个人的邮箱，实际中可以从 Excel 或数据库获取
    # yag.send(to=item['email'], subject='教务处通知', contents=content)
    # print(f"已发送给{item['name']}")

# send_daily_report.py
import yagmail
import datetime

def send_report():
    today = datetime.date.today().strftime("%Y-%m-%d")
    yag = yagmail.SMTP("your_name@qq.com", "授权码")

    content = f"""
    {today} 系统运行报告：

    1. 服务器状态：正常
    2. 数据库连接：正常
    3. 日志数量：1256 条
    """

    yag.send(
        to="admin@company.com",
        subject=f"系统日报 - {today}",
        contents=content,
    )
    print(f"{today} 日报已发送")

if __name__ == "__main__":
    send_report()

# 原因：不是用 QQ 密码，而是用授权码
# 解决：去 QQ 邮箱设置 → 账号 → 生成授权码
# 注意：授权码中间没有空格

# 原因：内容太短、太多链接、发送频率太高
# 解决：
#   - 每封邮件的正文不要太雷同
#   - 加收件人姓名个性化
#   - 控制发送频率（每分钟不超过 10 封）
import time

for _, row in df.iterrows():
    yag.send(...)
    time.sleep(3)  # 每封邮件间隔 3 秒

# QQ邮箱免费版：每天 500 封
# 企业邮箱：每天 2000 封
# 超过会被封号 24 小时，建议分多个邮箱发送

import yagmail
import pandas as pd
from datetime import datetime

class WeeklyReporter:
    """自动周报发送器"""

    def __init__(self, sender_email, auth_code):
        self.yag = yagmail.SMTP(sender_email, auth_code, host="smtp.qq.com")

    def generate_report(self, name, tasks):
        """生成个性化周报"""
        task_list = "\n".join([f"  {i+1}. {t}" for i, t in enumerate(tasks)])

        return f"""
{name}老师，你好：

以下是本周工作汇总：

本周完成任务：
{task_list}

祝工作顺利！
{datetime.now().strftime('%Y-%m-%d')}
"""

    def send_batch(self, recipients):
        """批量发送周报"""
        for r in recipients:
            content = self.generate_report(r["name"], r["tasks"])
            self.yag.send(
                to=r["email"],
                subject=f"【周报】{r['name']} - 本周工作总结",
                contents=content,
            )
            print(f"✅ 已发送: {r['name']}")
            time.sleep(2)

        print(f"\n共发送 {len(recipients)} 封周报")

# 使用
reporter = WeeklyReporter("your_name@qq.com", "授权码")

# 收件人列表
recipients = [
    {
        "name": "张三",
        "email": "zhangsan@company.com",
        "tasks": ["完成了秒杀系统的Redis集成", "发布了3篇CSDN文章"],
    },
    {
        "name": "李四",
        "email": "lisi@company.com",
        "tasks": ["完成了数据库设计文档", "修复了3个线上Bug"],
    },
]

reporter.send_batch(recipients)

简单发送 → yagmail（推荐，3行代码搞定）
带附件   → yagmail 自动处理
群发     → 循环发送 + 模板替换
定时     → 脚本 + 系统定时任务