python发邮件方法

import smtplib
from email.header import Header
from email.mime.application import MIMEApplication
from email.mime.multipart import MIMEMultipart
from email.mime.text import MIMEText

def send_mail(subject, body, to, cc=None, file_path=None, file_name=None):
    """
    发送邮件
    :param subject: 邮件主题
    :param body: 邮件内容
    :param to: 收件人
    :param cc: 抄送人
    :param file_path: 附件绝对路径地址
    :param file_name: 附件名称
    :return:
    """
    # 发件人
    sender = "xxxx@163.com"
    message = MIMEMultipart()
    # 发件邮箱
    message['From'] = sender
    # 配置收件人
    message['To'] = ";".join(to)
    # 配置抄送人
    message['Cc'] = ";".join(cc)
    # 配置邮件主题
    message['Subject'] = Header(subject, 'utf-8')

    message.attach(MIMEText(body, _subtype="html", _charset='utf-8'))
    # 添加附件
    if file_path and file_name:
        excel_data = MIMEApplication(open(file_path.encode('utf-8'), 'rb').read())
        excel_data.add_header('Content-Disposition', 'attachment', filename=u'{}'.format(file_name))
        message.attach(excel_data)

    try:
        smtp_server = smtplib.SMTP_SSL("smtp.163.com", 465)
        smtp_server.login(sender, "emailpassword")
        smtp_server.sendmail(sender, to + cc, message.as_string())
        smtp_server.quit()
        print("邮件发送成功, {}".format(body))
    except smtplib.SMTPException:
        print("邮件发送失败, {}".format(body))

调用方法

send_mail(
    subject="邮件主题", 
    body="发送内容", 
    to=["收件人<xxxx@163.com>", "收件人2<xxxx2@163.com>"], 
    cc=["抄送人<xxxx3@163.com>"],
    file_path="文件路径", 
    file_name="附件名",
)