python使用SMTP，发送带附件的邮件代码示例

send_email_with_ attachments.py

"""
python使用SMTP，发送带附件的邮件代码示例

无需安装依赖
"""
import os
from smtplib import SMTP
from email import encoders
from email.mime.base import MIMEBase
from email.mime.multipart import MIMEMultipart
from email.mime.text import MIMEText
from email.utils import COMMASPACE, formatdate

# email sender config
EMAIL_FROM_ADDR = "my@hotmail.com"
EMAIL_FROM_PASS = "ppppppp"
EMAIL_SMTP_SERVER = "smtp-mail.outlook.com"
EMAIL_SMTP_SSL = True
EMAIL_SMTP_PORT = 587

def send_email(addrs, subject, content, attas = []):
    msg = MIMEMultipart()
    msg["From"] = EMAIL_FROM_ADDR
    msg["To"] = COMMASPACE.join(addrs)
    msg["Date"] = formatdate(localtime=True)
    msg["Subject"] = subject

    msg.attach(MIMEText(content))

    for filepath in attas:
        part = MIMEBase("application", "octet-stream")
        with open(filepath, "rb") as file:
            part.set_payload(file.read())
        encoders.encode_base64(part)
        part.add_header("Content-Disposition",
                        "attachment; filename={}".format(os.path.basename(filepath)))
        msg.attach(part)

    with SMTP(EMAIL_SMTP_SERVER, EMAIL_SMTP_PORT) as smtp:
        if EMAIL_SMTP_SSL:
            smtp.starttls()
        smtp.login(EMAIL_FROM_ADDR, EMAIL_FROM_PASS)
        smtp.sendmail(EMAIL_FROM_ACC, addrs, msg.as_string())

if __name__ == '__main__':
    send_email(["addr1@example.com"], "test SUBJECT", "test CONTENT", ["./Book1.xlsx"])