diff --git a/src/test/java/com/loafle/overflow/commons/utils/EmailSenderTest.java b/src/test/java/com/loafle/overflow/commons/utils/EmailSenderTest.java
new file mode 100644
index 0000000..60ff3ca
--- /dev/null
+++ b/src/test/java/com/loafle/overflow/commons/utils/EmailSenderTest.java
@@ -0,0 +1,43 @@
+package com.loafle.overflow.commons.utils;
+
+import com.loafle.overflow.spring.AppConfigTest;
+import org.junit.Assert;
+import org.junit.Ignore;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.test.context.ContextConfiguration;
+import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
+
+import java.net.URLDecoder;
+import java.net.URLEncoder;
+
+import static org.junit.Assert.*;
+
+/**
+ * Created by geek on 17. 9. 5.
+ */
+@Ignore
+@RunWith(SpringJUnit4ClassRunner.class)
+@ContextConfiguration(classes = {AppConfigTest.class})
+public class EmailSenderTest {
+
+    @Autowired
+    private EmailSender emailSender;
+
+    @Test
+    public void encrypt() throws Exception {
+        // dZQgXM1o/Cx48X8DM+6ec/oPfqA2l/LdWtijOZ2EnWk=
+        String en = this.emailSender.encrypt("geekdev@naver.com");
+        String encode = URLEncoder.encode(en, "UTF-8");
+        Assert.assertEquals(encode , "dZQgXM1o%2FCx48X8DM%2B6ec%2FoPfqA2l%2FLdWtijOZ2EnWk%3D");
+    }
+
+    @Test
+    public void decrypt() throws Exception {
+        String decode = URLDecoder.decode("dZQgXM1o%2FCx48X8DM%2B6ec%2FoPfqA2l%2FLdWtijOZ2EnWk%3D", "UTF-8");
+        String dn = this.emailSender.decrypt(decode);
+        Assert.assertEquals(dn , "geekdev@naver.com");
+    }
+
+}
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