/**
* The TLS command execution.
*
* @return TRUE if the command and negotiation succeeded.
* @throws java.io.IOException If an I/O error occurs while sending the command or performing the
* negotiation.
*/
public boolean execTLS() throws SSLException, IOException {
if (!SMTPReply.isPositiveCompletion(sendCommand("STARTTLS"))) {
return false;
// throw new SSLException(getReplyString());
}
performSSLNegotiation();
return true;
}