34d4d1929afa36ff81038d5ac7de50135a559421

According to RFC 2847 section 5.2, SMTP server won't send banner message again after STARTTLS negotiation. The original code will hang until SMTP server kicks it off due to timeout and can't send email with STARTTLS enabled, aka. sendemail.smtpEncryption = tls. Bug: Issue 1397 Change-Id: I5822e7f1aae0e13ea082964702bde96132f73e2c
Description
RETIRED, Gerrit as used by OpenStack