diff --git a/src/com/pms/common/utils/Constants.java b/src/com/pms/common/utils/Constants.java
index 3919e03..8aecfa0 100644
--- a/src/com/pms/common/utils/Constants.java
+++ b/src/com/pms/common/utils/Constants.java
@@ -470,9 +470,12 @@ public class Constants {
 		public static final String CHARSET    = SYSTEM_CHARSET;
 		
 		/* SMTP 메일정보 - RPS */
-		public static final String SMTP_USER    = "sales@rps-korea.com";//SMTP USER ID (전체 이메일 주소)
-		public static final String SMTP_USER_PW = "rpstech6125!!";    //SMTP USER PASSWORD 
-		public static final String SMTP_HOST    = "wblock.rps-korea.com";  	//SMTP HOST (gw.rps-korea.com IP)
+		public static final String SMTP_USER    = "erp@rps-korea.com";//SMTP USER ID (전체 이메일 주소)
+		public static final String SMTP_USER_PW = "Plmrps123!!";    //SMTP USER PASSWORD 
+		public static final String SMTP_HOST    = "gwa.rps-korea.com"; 
+		// public static final String SMTP_USER    = "sales@rps-korea.com";//SMTP USER ID (전체 이메일 주소)
+		// public static final String SMTP_USER_PW = "rpstech6125!!";    //SMTP USER PASSWORD 
+		// public static final String SMTP_HOST    = "wblock.rps-korea.com";  	//SMTP HOST (gw.rps-korea.com IP)
 		//public static final String SMTP_HOST    = "220.123.92.226";  	//SMTP HOST (gw.rps-korea.com IP)
 		public static final int    SMTP_PORT    = 25;                  	//SMTP PORT (SSL 사용안함)
 		// public static final String SMTP_USER    = "admin@wsse.co.kr";//SMTP USER ID      [mail.gdnsi.com]   
diff --git a/src/com/pms/common/utils/MailUtil.java b/src/com/pms/common/utils/MailUtil.java
index 929e797..dfee66e 100644
--- a/src/com/pms/common/utils/MailUtil.java
+++ b/src/com/pms/common/utils/MailUtil.java
@@ -610,13 +610,12 @@ public class MailUtil {
 			//prop.put("mail.smtp.socketFactory.class" , "javax.net.ssl.SSLSocketFactory");
 			//prop.put("mail.smtp.socketFactory.port"  , Constants.Mail.SMTP_PORT);
 			
-			Session mailSession = Session.getDefaultInstance(prop, new javax.mail.Authenticator() {
+			Session mailSession = Session.getInstance(prop, new javax.mail.Authenticator() {
 				protected PasswordAuthentication getPasswordAuthentication() {
 					return new PasswordAuthentication(Constants.Mail.SMTP_USER, Constants.Mail.SMTP_USER_PW);
 				}
 			});
 			mailSession.setDebug(true);
-			mailSession.setDebugOut(new PrintStream(new ByteArrayOutputStream()));
 			
 			//◆◆◆ 2. message ◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆
 			MimeMessage message = new MimeMessage(mailSession);
@@ -838,13 +837,12 @@ public class MailUtil {
 	//prop.put("mail.smtp.socketFactory.class" , "javax.net.ssl.SSLSocketFactory");
 	//prop.put("mail.smtp.socketFactory.port"  , Constants.Mail.SMTP_PORT);
 		
-		Session mailSession = Session.getDefaultInstance(prop, new javax.mail.Authenticator() {
+		Session mailSession = Session.getInstance(prop, new javax.mail.Authenticator() {
 				protected PasswordAuthentication getPasswordAuthentication() {
 					return new PasswordAuthentication(Constants.Mail.SMTP_USER, Constants.Mail.SMTP_USER_PW);
 				}
 			});
 			mailSession.setDebug(true);
-			mailSession.setDebugOut(new PrintStream(new ByteArrayOutputStream()));
 			
 			//◆◆◆ 2. message ◆◆◆
 			MimeMessage message = new MimeMessage(mailSession);