Renamed smtp client and fix non flushing issue

test/zutil/net/smtp/EmailTest.java

@@ -9,7 +9,7 @@ import java.util.Date;
 import java.util.GregorianCalendar;
 
 import static org.junit.Assert.*;
-import static zutil.net.smtp.SMTPClient.NEWLINE;
+import static zutil.net.smtp.SmtpClient.NEWLINE;
 
 /**
  * Created by Ziver on 2017-01-19.

test/zutil/net/smtp/SmtpClientTest.java

@@ -0,0 +1,31 @@
+package zutil.net.smtp;
+
+import zutil.log.CompactLogFormatter;
+import zutil.log.LogUtil;
+
+import java.io.IOException;
+import java.util.logging.Level;
+
+/**
+ * Sends a test email with SmtpClient class.
+ *
+ * @See <a href="https://nilhcem.github.io/FakeSMTP/">Fake SMTP Server</a>
+ */
+public class SmtpClientTest {
+
+    public static void main(String[] args) throws IOException {
+        LogUtil.setGlobalFormatter(new CompactLogFormatter());
+        LogUtil.setGlobalLevel(Level.ALL);
+
+        SmtpClient smtp = new SmtpClient();
+        smtp.send("from@example.com",
+                "to@example.com",
+                "Test email",
+                "Disregard this email");
+        smtp.send("from2@example.com",
+                "to2@example.com",
+                "Test 2 email",
+                "Disregard this email");
+        smtp.close();
+    }
+}