Class SMTPEmailProvider

keepercommander/email_service.py:330–445

SMTP email provider implementation. Supports standard SMTP with TLS/SSL for Gmail, Office 365, and other SMTP servers.

class SMTPEmailProvider(EmailProvider):
    """
    SMTP email provider implementation.

    Supports standard SMTP with TLS/SSL for Gmail, Office 365, and other SMTP servers.
    """

    def __init__(self, config: EmailConfig):
        super().__init__(config)
        self._connection = None

    def send(self, to: str, subject: str, body: str, html: bool = False) -> bool:
        """
        Send email via SMTP.

        Args:
            to: Recipient email address
            subject: Email subject
            body: Email body
            html: True if body is HTML

        Returns:
            True if sent successfully

        Raises:
            smtplib.SMTPException: If SMTP operation fails
        """
        try:
            # Create message
            msg = MIMEMultipart('alternative')
            msg['Subject'] = subject
            msg['From'] = f"{self.config.from_name} <{self.config.from_address}>"
            msg['To'] = to

            # Attach body
            if html:
                part = MIMEText(body, 'html')
            else:
                part = MIMEText(body, 'plain')
            msg.attach(part)

            # Connect and send
            if self.config.smtp_use_ssl:
                # Use SMTP_SSL for port 465
                context = ssl.create_default_context()
                with smtplib.SMTP_SSL(
                    self.config.smtp_host,
                    self.config.smtp_port,
                    context=context
                ) as server:
                    server.login(self.config.smtp_username, self.config.smtp_password)
                    server.send_message(msg)
            else:
                # Use SMTP with STARTTLS for port 587
                with smtplib.SMTP(
                    self.config.smtp_host,
                    self.config.smtp_port,
                    timeout=30