private SMTPClient open() throws EmailException {
final AuthSMTPClient client = new AuthSMTPClient("UTF-8");
if (smtpEncryption == Encryption.SSL) {
client.enableSSL(sslVerify);
}
try {
client.connect(smtpHost, smtpPort);
if (!SMTPReply.isPositiveCompletion(client.getReplyCode())) {