| 12345678910111213141516171819202122232425262728 | import smtplibfrom email.mime.multipart import MIMEMultipartfrom email.mime.text import MIMETextclass SMTPClient:    def __init__(self, server: str, port: int, username: str, password: str, _from: str, use_tls=False):        self.server = server        self.port = port        self._from = _from        self.username = username        self.password = password        self._use_tls = use_tls    def send(self, mail: dict):        smtp = smtplib.SMTP(self.server, self.port)        if self._use_tls:            smtp.starttls()        if self.username and self.password:            smtp.login(self.username, self.password)        msg = MIMEMultipart()        msg['Subject'] = mail['subject']        msg['From'] = self._from        msg['To'] = mail['to']        msg.attach(MIMEText(mail['html'], 'html'))        smtp.sendmail(self.username, mail['to'], msg.as_string())        smtp.quit()
 |