Python 工具方法 发送邮件

发送 exchangelib 邮件

from exchangelib import DELEGATE, Account, Credentials, Message, Mailbox, HTMLBody, FileAttachment, Configuration, NTLM
from exchangelib.protocol import BaseProtocol, NoVerifyHTTPAdapter
# 此句用来消除ssl证书错误，exchange使用自签证书需加上
import logging
import urllib3
urllib3.disable_warnings()
BaseProtocol.HTTP_ADAPTER_CLS = NoVerifyHTTPAdapter

logger = logging.getLogger(__name__)

class Mail:

    def __init__(self, email, password, host, port, retry: int = 3, *args, **kwargs) -> None:
        self.email = email
        self.password = password
        self.host = host
        self.port = port

    def send(self, to_user, title: str, content: str):
        self.send_exchange_mail(to_user, title, content)
        

    def send_exchange_mail(self, to, subject, content, _type="plain", filename=None, is_send=False):
        if isinstance(to, str):
            to = [to]
        for t in to:
            try:
                if self.password:
                    cred = Credentials(self.email.split('@')[0], self.password)
                else:
                    cred = None
                config = Configuration(server=self.host, credentials=cred, auth_type=NTLM)
                a = Account(
                    primary_smtp_address=self.email, config=config, autodiscover=False, access_type=DELEGATE
                )

                m = Message(
                    account=a,
                    folder=a.sent,
                    subject=subject,
                    body=HTMLBody(content),
                    to_recipients=[Mailbox(email_address=t)]
                )
                if filename:
                    with open(filename, 'rb') as f:
                        _content = f.read()
                    file_attach = FileAttachment(name=filename[filename.rfind('/')+1:], content=_content)
                    m.attach(file_attach)
                m.send()
                print("【%s】邮件发送成功" % subject)
                return True
            except Exception as e:
                print(f"【%s】邮件发送失败,请检查信息\n{e}" % subject)
                return False

if __name__ == '__main__':
    """
    pip3 install exchangelib -i https://pypi.doubanio.com/simple/
    """
    mail = Mail("username@email.com", "username", "email.com", 25)
    mail.send_exchange_mail("touser@email", "测试消息", "测试消息通过abc")