diff --git a/src/main/java/com/eactive/eai/rms/onl/apim/approval/app/PortalAppApprovalListener.java b/src/main/java/com/eactive/eai/rms/onl/apim/approval/app/PortalAppApprovalListener.java
index 7c95b34..edc5f2d 100644
--- a/src/main/java/com/eactive/eai/rms/onl/apim/approval/app/PortalAppApprovalListener.java
+++ b/src/main/java/com/eactive/eai/rms/onl/apim/approval/app/PortalAppApprovalListener.java
@@ -110,11 +110,13 @@ public class PortalAppApprovalListener implements ApprovalListener {
             return;
         }
         MessageRecipient recipient = new MessageRecipient();
+        recipient.setUsername(requester.getUserName());
         recipient.setPhone(requester.getMobileNumber());
         recipient.setUserId(requester.getEmailAddr());
         Map<String, String> params = new HashMap<>();
-        params.put("apiKey", appRequest.getClientName());
-        messageSendService.sendMessage(MessageCode.APP_REGISTER_APPROVED, recipient, params);
+        // DB 템플릿 APP_APPROVE SMS 변수(%APP_NAME%)에 매핑
+        params.put("APP_NAME", appRequest.getClientName());
+        messageSendService.sendMessage(MessageCode.APP_APPROVE, recipient, params);
     }
 
     private void syncTargetServer(AppRequestType action, CredentialUI credentialUI) throws ApprovalDeployException {
@@ -225,5 +227,36 @@ public class PortalAppApprovalListener implements ApprovalListener {
     @Transactional
     public void rollback(Approval approval) {
         logger.info("Approval {} rollback", approval.getId());
+
+        // 앱 사용 거절 통지
+        Optional<AppRequest> optRequest = appRequestRepository.findAppRequestByApproval(approval);
+        if (!optRequest.isPresent()) {
+            return;
+        }
+        AppRequest appRequest = optRequest.get();
+        com.eactive.apim.portal.portaluser.entity.PortalUser requester = approval.getRequester();
+        if (requester == null) {
+            logger.warn("앱 거절 통지 생략 - 요청자 정보 없음. appRequestId: {}", appRequest.getId());
+            return;
+        }
+        MessageRecipient recipient = new MessageRecipient();
+        recipient.setUsername(requester.getUserName());
+        recipient.setPhone(requester.getMobileNumber());
+        recipient.setUserId(requester.getEmailAddr());
+        Map<String, String> params = new HashMap<>();
+        // DB 템플릿 APP_REJECTED SMS 변수(%APP_NAME%, %REASON%)에 매핑
+        params.put("APP_NAME", appRequest.getClientName());
+        params.put("REASON", extractRejectReason(approval));
+        messageSendService.sendMessage(MessageCode.APP_REJECTED, recipient, params);
+    }
+
+    private String extractRejectReason(Approval approval) {
+        if (approval.getApprovers() == null) {
+            return "";
+        }
+        return approval.getApprovers().stream()
+            .map(com.eactive.apim.portal.approval.entity.Approver::getApprovalMessage)
+            .filter(m -> m != null && !m.isEmpty())
+            .findFirst().orElse("");
     }
 }
diff --git a/src/main/java/com/eactive/eai/rms/onl/apim/approval/user/PortalUserApprovalListener.java b/src/main/java/com/eactive/eai/rms/onl/apim/approval/user/PortalUserApprovalListener.java
index 59cd753..b0b238f 100644
--- a/src/main/java/com/eactive/eai/rms/onl/apim/approval/user/PortalUserApprovalListener.java
+++ b/src/main/java/com/eactive/eai/rms/onl/apim/approval/user/PortalUserApprovalListener.java
@@ -94,10 +94,15 @@ public class PortalUserApprovalListener implements ApprovalListener {
 
     private void sendApprovalResult(PortalUser portalUser) {
         MessageRecipient recipient = new MessageRecipient();
+        recipient.setUsername(portalUser.getUserName());
         recipient.setPhone(portalUser.getMobileNumber());
         recipient.setUserId(portalUser.getEmailAddr());
         Map<String, String> params = new HashMap<>();
-//        messageSendService.sendMessage(MessageCode.USER_REGISTRATION_APPROVED, recipient, params);
+        // DB 템플릿 MANAGER_WITH_ORG_REGISTER_APPROVED SMS 변수(%ORG_NAME%)에 매핑
+        PortalOrg org = portalUser.getPortalOrg();
+        if (org != null) {
+            params.put("ORG_NAME", org.getOrgName());
+        }
         messageSendService.sendMessage(MessageCode.MANAGER_WITH_ORG_REGISTER_APPROVED, recipient, params);
     }
 
@@ -155,6 +160,13 @@ public class PortalUserApprovalListener implements ApprovalListener {
         PortalUser portalUser = portalUserService.findByUserId(userId);
         PortalOrg portalOrg = portalUser.getPortalOrg();
 
+        // 거절 통지에 필요한 정보를 반려 처리(정보 마스킹) 이전에 캡처
+        String noticeName = portalUser.getUserName();
+        String noticePhone = portalUser.getMobileNumber();
+        String noticeEmail = portalUser.getEmailAddr();
+        String noticeOrgName = portalOrg != null ? portalOrg.getOrgName() : null;
+        String rejectReason = extractRejectReason(approval);
+
         // 개인→법인 전환 요청 반려: approvalStatus가 PENDING이면 전환 신청이었으므로 개인 사용자로 복원
         if (PortalUserEnums.ApprovalStatus.PENDING.equals(portalUser.getApprovalStatus())) {
             logger.info("Approval {} is a personal-to-corporate conversion rejection. Reverting user {} to personal user.", approval.getId(), userId);
@@ -199,5 +211,28 @@ public class PortalUserApprovalListener implements ApprovalListener {
 
             portalOrgService.save(portalOrg);
         }
+
+        // 법인관리자/법인 등록 거절 통지 (정보 마스킹 이전 캡처값 사용)
+        MessageRecipient recipient = new MessageRecipient();
+        recipient.setUsername(noticeName);
+        recipient.setPhone(noticePhone);
+        recipient.setUserId(noticeEmail);
+        Map<String, String> params = new HashMap<>();
+        // DB 템플릿 MANAGER_WITH_ORG_REGISTER_REJECTED SMS 변수(%ORG_NAME%, %REASON%)에 매핑
+        if (noticeOrgName != null) {
+            params.put("ORG_NAME", noticeOrgName);
+        }
+        params.put("REASON", rejectReason);
+        messageSendService.sendMessage(MessageCode.MANAGER_WITH_ORG_REGISTER_REJECTED, recipient, params);
+    }
+
+    private String extractRejectReason(Approval approval) {
+        if (approval.getApprovers() == null) {
+            return "";
+        }
+        return approval.getApprovers().stream()
+            .map(com.eactive.apim.portal.approval.entity.Approver::getApprovalMessage)
+            .filter(m -> m != null && !m.isEmpty())
+            .findFirst().orElse("");
     }
 }