| @@ -22,7 +22,11 @@ class SMTPClient: | |||
| if self.use_tls: | |||
| if self.opportunistic_tls: | |||
| smtp = smtplib.SMTP(self.server, self.port, timeout=10) | |||
| # Send EHLO command with the HELO domain name as the server address | |||
| smtp.ehlo(self.server) | |||
| smtp.starttls() | |||
| # Resend EHLO command to identify the TLS session | |||
| smtp.ehlo(self.server) | |||
| else: | |||
| smtp = smtplib.SMTP_SSL(self.server, self.port, timeout=10) | |||
| else: | |||