diff --git a/WebContent/WEB-INF/view/approval/approvalDetail.jsp b/WebContent/WEB-INF/view/approval/approvalDetail.jsp
index 25bd17c..3416036 100644
--- a/WebContent/WEB-INF/view/approval/approvalDetail.jsp
+++ b/WebContent/WEB-INF/view/approval/approvalDetail.jsp
@@ -76,7 +76,7 @@ $(function(){
 			window.open(url, "", "width=1000,height=880");
 		}else if(targetType == "CONTRACT_ESTIMATE"){
 			url = "/contractMgmt/estimateRegistFormPopup.do?objId="+targetObjId+"&actionType=view";
-			window.open(url, "", "width=650,height=400");
+			window.open(url, "", "width=1000,height=560");
 		}
 	});
 	
diff --git a/WebContent/WEB-INF/view/contractMgmt/estimateList_new.jsp b/WebContent/WEB-INF/view/contractMgmt/estimateList_new.jsp
index f268a12..dfdf6c6 100644
--- a/WebContent/WEB-INF/view/contractMgmt/estimateList_new.jsp
+++ b/WebContent/WEB-INF/view/contractMgmt/estimateList_new.jsp
@@ -48,8 +48,8 @@ $(document).ready(function(){
 	
 	//영업활동 등록 팝업
 	$(".btnRegist").click(function(){
-		var popup_width = 650;
-		var popup_height = 400;	
+		var popup_width = 1000;
+		var popup_height = 560;	
 		var params = "?actionType=regist"
 		var url = "/contractMgmt/estimateRegistFormPopup.do"+params;
 		//window.open("/ordermgmt/ordermgmtUpdateFormPopup.do"+params, "", "width=650, height=750","menubars=no, scrollbars=yes, resizable=yes");
@@ -148,6 +148,48 @@ $(document).ready(function(){
 		}
 	});
 	
+	// 메일발송
+	$("#btnMail").click(function(){
+		var selectedData = _tabulGrid.getSelectedData();
+		if(selectedData.length < 1){
+			Swal.fire("메일발송할 행을 선택해주십시오.");
+			return false;
+		} else if(selectedData.length > 1){
+			Swal.fire("한번에 한개의 견적서만 발송 가능합니다.");
+			return false;
+		} else {
+			var apprStatus = fnc_checkNull(selectedData[0].APPR_STATUS);
+			var objId = fnc_checkNull(selectedData[0].OBJID);
+			var estStatus = fnc_checkNull(selectedData[0].EST_STATUS);
+			
+			// 결재완료 상태 확인
+			if(apprStatus !== "결재완료"){
+				Swal.fire("결재완료된 견적서만 발송 가능합니다.");
+				return false;
+			}
+			
+			// 견적서 존재 여부 확인
+			if(estStatus === "0" || estStatus === 0){
+				Swal.fire("작성된 견적서가 없습니다.");
+				return false;
+			}
+			
+			// 메일 발송 확인
+			Swal.fire({
+				title: '견적서 메일 발송',
+				text: "최종 차수의 견적서를 PDF로 발송하시겠습니까?",
+				icon: 'question',
+				showCancelButton: true,
+				confirmButtonText: '발송',
+				cancelButtonText: '취소'
+			}).then((result) => {
+				if(result.isConfirmed){
+					fn_sendEstimateMail(objId);
+				}
+			});
+		}
+	});
+	
 	fn_search();
 });
 
@@ -198,13 +240,35 @@ var columns = [
 						fn_showEstimateList(objid);
 					}
 				}, 
-				{headerHozAlign : 'center', hozAlign : 'center',	width : '80',		title : '결재상태',		field : 'APPR_STATUS',
-						formatter:fnc_createGridAnchorTag,
-						cellClick:function(e, cell){
-							var objid = fnc_checkNull(cell.getData().OBJID);
-							fn_projectConceptDetail(objid);
-						}
-				}, 
+			{headerHozAlign : 'center', hozAlign : 'center',	width : '80',		title : '결재상태',		field : 'APPR_STATUS',
+					formatter:fnc_createGridAnchorTag,
+					cellClick:function(e, cell){
+						var APPROVAL_OBJID = fnc_checkNull(cell.getData().APPROVAL_OBJID);
+						var ROUTE_OBJID = fnc_checkNull(cell.getData().ROUTE_OBJID);
+						approval_form(APPROVAL_OBJID,ROUTE_OBJID);
+					}
+			},
+			{headerHozAlign : 'center', hozAlign : 'center',	width : '100',		title : '메일발송',		field : 'MAIL_SEND_STATUS',
+				formatter: function(cell, formatterParams, onRendered){
+					var status = fnc_checkNull(cell.getValue());
+					var sendDate = fnc_checkNull(cell.getData().MAIL_SEND_DATE);
+
+					if(status === 'Y'){
+						return '<span style="color:green;">발송완료</span>';
+					} else if(status === 'N'){
+						return '<span style="color:red;">발송실패</span>';
+					} else {
+						return '<span style="color:#999;">미발송</span>';
+					}
+//					if(status === 'Y'){
+//						return '<span style="color:green;">발송완료</span><br/><span style="font-size:11px;">' + sendDate + '</span>';
+//					} else if(status === 'N'){
+//						return '<span style="color:red;">발송실패</span><br/><span style="font-size:11px;">' + sendDate + '</span>';
+//					} else {
+//						return '<span style="color:#999;">미발송</span>';
+//					}
+				}
+			}, 
 				{headerHozAlign : 'center', hozAlign : 'center',	width : '100',		title : '견적단가',		field : 'EST_PRICE'	}, 
 				{headerHozAlign : 'center', hozAlign : 'center',	width : '100',		title : '견적공급가액',	field : 'EST_SUPPLY_PRICE'	}, 
 				{headerHozAlign : 'center', hozAlign : 'center',	width : '80',		title : '환종',		field : 'CONTRACT_CURRENCY_NAME'	}, 
@@ -358,8 +422,8 @@ function fn_FileRegist(objId, docType, docTypeName){
 }
 //영업활동등록 상세
 function fn_projectConceptDetail(objId){
-	var popup_width = 650;
-	var popup_height = 400;		
+	var popup_width = 1000;
+	var popup_height = 560;		
 	var url = "/contractMgmt/estimateRegistFormPopup.do?objId="+objId;
 
 	fn_centerPopup(popup_width, popup_height, url);
@@ -382,7 +446,7 @@ function fn_showEstimateList(contractObjId){
 		data: { objId: contractObjId },
 		dataType: "json",
 		success: function(data){
-			console.log("견적서 목록 응답:", data); // 디버깅용
+			//console.log("견적서 목록 응답:", data); // 디버깅용
 			
 			if(data.result === "success" && data.list && data.list.length > 0){
 				var html = '<div style="max-height: 400px; overflow-y: auto;">';
@@ -396,7 +460,7 @@ function fn_showEstimateList(contractObjId){
 				html += '</tr></thead><tbody>';
 				
 				data.list.forEach(function(item){
-					console.log("견적서 항목:", item); // 디버깅용
+					//console.log("견적서 항목:", item); // 디버깅용
 					
 					// 대문자/소문자 모두 지원하도록 안전하게 처리
 					var objid = item.OBJID || item.objid || '';
@@ -511,6 +575,58 @@ function fn_showSerialNoPopup(serialNoString){
 	});
 }
 
+// 견적서 메일 발송
+function fn_sendEstimateMail(contractObjId){
+	if(!contractObjId || contractObjId === ''){
+		Swal.fire("잘못된 요청입니다.");
+		return;
+	}
+	
+	Swal.fire({
+		title: '메일 발송 중...',
+		text: '잠시만 기다려주세요.',
+		allowOutsideClick: false,
+		didOpen: () => {
+			Swal.showLoading();
+		}
+	});
+	
+	$.ajax({
+		url: "/contractMgmt/sendEstimateMail.do",
+		type: "POST",
+		data: { objId: contractObjId },
+		dataType: "json",
+		success: function(data){
+			Swal.close();
+			if(data.result === "success"){
+				Swal.fire({
+					title: '발송 완료',
+					text: '견적서가 성공적으로 발송되었습니다.',
+					icon: 'success',
+					confirmButtonText: '확인'
+				});
+			} else {
+				Swal.fire({
+					title: '발송 실패',
+					text: data.message || '견적서 발송 중 오류가 발생했습니다.',
+					icon: 'error',
+					confirmButtonText: '확인'
+				});
+			}
+		},
+		error: function(xhr, status, error){
+			Swal.close();
+			console.error("메일 발송 오류:", xhr, status, error);
+			Swal.fire({
+				title: '오류',
+				text: '메일 발송 중 시스템 오류가 발생했습니다.',
+				icon: 'error',
+				confirmButtonText: '확인'
+			});
+		}
+	});
+}
+
 //코드값을 받아와서 동적으로  selectbox 생성
 function optionJobGroup(code){
     var val=code;
diff --git a/WebContent/WEB-INF/view/contractMgmt/estimateRegistFormPopup.jsp b/WebContent/WEB-INF/view/contractMgmt/estimateRegistFormPopup.jsp
index 911b472..d11038c 100644
--- a/WebContent/WEB-INF/view/contractMgmt/estimateRegistFormPopup.jsp
+++ b/WebContent/WEB-INF/view/contractMgmt/estimateRegistFormPopup.jsp
@@ -17,6 +17,25 @@
  .fileListscrollTbody td {
  	font-size: 11px !important;
  }
+ 
+ /* S/N 입력 필드 placeholder 색상 */
+ #serial_no::placeholder {
+ 	color: #999 !important;
+ 	opacity: 1;
+ }
+ 
+ #serial_no::-webkit-input-placeholder {
+ 	color: #999 !important;
+ }
+ 
+ #serial_no::-moz-placeholder {
+ 	color: #999 !important;
+ 	opacity: 1;
+ }
+ 
+ #serial_no:-ms-input-placeholder {
+ 	color: #999 !important;
+ }
 </style>
 <script type="text/javascript">
 	$(function() {
@@ -613,11 +632,11 @@
 		}
 		
 		// 팝업 HTML 생성
-		var popupHtml = '<div style="padding:10px;">';
-		popupHtml += '	<h3 style="margin:0 0 15px 0; text-align:center;">S/N 관리</h3>';
-		popupHtml += '	<div id="snListContainer" style="margin-bottom:15px; max-height:300px; overflow-y:auto;"></div>';
+		var popupHtml = '<div style="padding:10px; color:#333;">';
+		popupHtml += '	<h3 style="margin:0 0 15px 0; text-align:center; color:#333;">S/N 관리</h3>';
+		popupHtml += '	<div id="snListContainer" style="margin-bottom:15px; max-height:300px; overflow-y:auto; color:#333;"></div>';
 		popupHtml += '	<div style="margin-bottom:15px; display:flex; gap:5px;">';
-		popupHtml += '		<input type="text" id="newSnInput" placeholder="S/N 입력" style="flex:1; padding:8px; border:1px solid #ddd; border-radius:4px;">';
+		popupHtml += '		<input type="text" id="newSnInput" placeholder="S/N 입력" style="flex:1; padding:8px; border:1px solid #ddd; border-radius:4px; color:#333;">';
 		popupHtml += '		<button type="button" onclick="fn_addSn()" class="plm_btns">추가</button>';
 		popupHtml += '	</div>';
 		popupHtml += '	<div style="text-align:center; margin-top:20px; display:flex; gap:10px; justify-content:center;">';
@@ -656,12 +675,12 @@
 		console.log("fn_renderSnList 실행, snList 길이:", snList.length);
 		console.log("snList 내용:", snList);
 		
-		var html = '<table style="width:100%; margin-bottom:10px; border-collapse:collapse; border:1px solid #ddd;">';
+		var html = '<table style="width:100%; margin-bottom:10px; border-collapse:collapse; border:1px solid #ddd; color:#333;">';
 		html += '<colgroup><col width="15%"><col width="65%"><col width="20%"></colgroup>';
-		html += '<thead><tr style="background:#f5f5f5;">';
-		html += '<th style="padding:10px; border:1px solid #ddd; text-align:center;">번호</th>';
-		html += '<th style="padding:10px; border:1px solid #ddd; text-align:center;">S/N</th>';
-		html += '<th style="padding:10px; border:1px solid #ddd; text-align:center;">삭제</th>';
+		html += '<thead><tr style="background:#f5f5f5; color:#333;">';
+		html += '<th style="padding:10px; border:1px solid #ddd; text-align:center; color:#333;">번호</th>';
+		html += '<th style="padding:10px; border:1px solid #ddd; text-align:center; color:#333;">S/N</th>';
+		html += '<th style="padding:10px; border:1px solid #ddd; text-align:center; color:#333;">삭제</th>';
 		html += '</tr></thead>';
 		html += '<tbody>';
 		
@@ -670,8 +689,8 @@
 		} else {
 			for(var i = 0; i < snList.length; i++) {
 				html += '<tr>';
-				html += '<td style="text-align:center; padding:8px; border:1px solid #ddd;">' + (i+1) + '</td>';
-				html += '<td style="padding:8px; border:1px solid #ddd;">' + snList[i].value + '</td>';
+				html += '<td style="text-align:center; padding:8px; border:1px solid #ddd; color:#333;">' + (i+1) + '</td>';
+				html += '<td style="padding:8px; border:1px solid #ddd; color:#333;">' + snList[i].value + '</td>';
 				html += '<td style="text-align:center; padding:8px; border:1px solid #ddd;">';
 				html += '<button type="button" onclick="fn_deleteSn(' + snList[i].id + ')" class="plm_btns" style="padding:5px 10px; font-size:12px;">삭제</button>';
 				html += '</td>';
@@ -732,14 +751,14 @@
 		Swal.fire({
 			title: '연속번호 생성',
 			html: 
-				'<div style="text-align:left; padding:5px;">' +
+				'<div style="text-align:left; padding:5px; color:#333;">' +
 				'<div style="margin-bottom:10px;">' +
-				'<label style="display:block; margin-bottom:3px; font-size:13px;">시작번호 <span style="color:red;">*</span></label>' +
-				'<input type="text" id="seqStartNo" placeholder="예: ITEM-001" style="width:100%; padding:6px; border:1px solid #ddd; border-radius:3px; font-size:13px;">' +
+				'<label style="display:block; margin-bottom:3px; font-size:13px; color:#333;">시작번호 <span style="color:red;">*</span></label>' +
+				'<input type="text" id="seqStartNo" placeholder="예: ITEM-001" style="width:100%; padding:6px; border:1px solid #ddd; border-radius:3px; font-size:13px; color:#333;">' +
 				'</div>' +
 				'<div style="margin-bottom:10px;">' +
-				'<label style="display:block; margin-bottom:3px; font-size:13px;">생성개수 <span style="color:red;">*</span></label>' +
-				'<input type="number" id="seqCount" placeholder="예: 10" min="1" max="100" style="width:100%; padding:6px; border:1px solid #ddd; border-radius:3px; font-size:13px;">' +
+				'<label style="display:block; margin-bottom:3px; font-size:13px; color:#333;">생성개수 <span style="color:red;">*</span></label>' +
+				'<input type="number" id="seqCount" placeholder="예: 10" min="1" max="100" style="width:100%; padding:6px; border:1px solid #ddd; border-radius:3px; font-size:13px; color:#333;">' +
 				'</div>' +
 				'<div style="background:#f8f9fa; padding:8px; border-radius:3px; color:#666; font-size:11px; line-height:1.5;">' +
 				'예: ITEM-001, 개수 3 → ITEM-001, ITEM-002, ITEM-003<br>' +
@@ -982,7 +1001,7 @@
 								<tr>
 									<td class="input_title"><label for="">S/N</label></td>
 									<td colspan="">
-										<input type="text" name="serial_no" id="serial_no" placeholder="클릭하여 S/N 추가" reqTitle="S/N" value="${info.SERIAL_NO}" readonly style="cursor:pointer; background-color:#f8f9fa;" />
+										<input type="text" name="serial_no" id="serial_no" placeholder="클릭하여 S/N 추가" reqTitle="S/N" value="${info.SERIAL_NO}" readonly style="cursor:pointer; background-color:#f8f9fa; color:#333 !important;" />
 									</td>
 									<td class="input_title"><label for="">수량 <span style="color:red;">*</span></label></td>
 									<td>
diff --git a/WebContent/WEB-INF/view/contractMgmt/estimateTemplate1.jsp b/WebContent/WEB-INF/view/contractMgmt/estimateTemplate1.jsp
index 443cdb5..e6f86b7 100644
--- a/WebContent/WEB-INF/view/contractMgmt/estimateTemplate1.jsp
+++ b/WebContent/WEB-INF/view/contractMgmt/estimateTemplate1.jsp
@@ -137,14 +137,14 @@ body {
 	font-weight: bold;
 }
 
-.items-table .col-no { width: 8%; }
-.items-table .col-desc { width: 22%; }
-.items-table .col-spec { width: 25%; }
-.items-table .col-qty { width: 8%; }
-.items-table .col-unit { width: 10%; }
-.items-table .col-price { width: 12%; }
-.items-table .col-amount { width: 12%; }
-.items-table .col-note { width: 13%; }
+.items-table .col-no { width: 6%; }
+.items-table .col-desc { width: 20%; }
+.items-table .col-spec { width: 22%; }
+.items-table .col-qty { width: 7%; }
+.items-table .col-unit { width: 8%; }
+.items-table .col-price { width: 11%; }
+.items-table .col-amount { width: 11%; }
+.items-table .col-note { width: 15%; }
 
 .items-table .text-left {
 	text-align: left;
@@ -258,14 +258,29 @@ $(function(){
 		fn_calculateAmount($(this).closest("tr"));
 	});
 	
-	// 콤마 자동 추가
-	$(".item-price, .item-amount").on("blur", function(){
-		var val = $(this).val().replace(/,/g, "");
+	// 콤마 자동 추가 (동적 요소 포함)
+	$(document).on("blur", ".item-price, .item-amount", function(){
+		var val = $(this).val().replace(/,/g, "").replace(/₩/g, "");
 		if(!isNaN(val) && val !== "") {
 			$(this).val(addComma(val));
 		}
 	});
 	
+	// 단가 입력 시 실시간 콤마 처리
+	$(document).on("input", ".item-price", function(){
+		var val = $(this).val().replace(/,/g, "");
+		var cursorPos = this.selectionStart;
+		var commasBefore = ($(this).val().substring(0, cursorPos).match(/,/g) || []).length;
+		
+		if(!isNaN(val) && val !== "") {
+			$(this).val(addComma(val));
+			// 커서 위치 조정
+			var commasAfter = ($(this).val().substring(0, cursorPos).match(/,/g) || []).length;
+			var newPos = cursorPos + (commasAfter - commasBefore);
+			this.setSelectionRange(newPos, newPos);
+		}
+	});
+	
 	// 데이터 로드
 	if("<%=objId%>" !== "" && "<%=objId%>" !== "-1") {
 		fn_loadData();
@@ -308,16 +323,8 @@ function fn_addItemRow() {
 		'<td class="editable"><input type="text" class="item-note" value=""></td>' +
 		'</tr>';
 	
-	// 비고 행 바로 위에 추가
+	// 비고 행 바로 위에 추가 (이벤트는 이미 document에 바인딩되어 있으므로 별도 바인딩 불필요)
 	$("#itemsTableBody tr:last").before(newRow);
-	
-	// 콤마 자동 추가 이벤트 바인딩
-	$("#itemsTableBody").find(".item-price, .item-amount").last().on("blur", function(){
-		var val = $(this).val().replace(/,/g, "");
-		if(!isNaN(val) && val !== "") {
-			$(this).val(addComma(val));
-		}
-	});
 }
 
 // 데이터 로드
@@ -424,14 +431,18 @@ function fn_loadTemplateData(templateObjId){
 						var amount = item.AMOUNT || item.amount || '';
 						var note = item.NOTE || item.note || '';
 						
+						// 단가와 금액에 콤마 추가
+						var unitPriceFormatted = unitPrice ? addComma(unitPrice) : '';
+						var amountFormatted = amount ? addComma(amount) : '₩0';
+						
 						var row = $("<tr>");
 						row.append('<td>' + (idx + 1) + '</td>');
 						row.append('<td class="text-left editable"><input type="text" class="item-desc" value="' + description + '"></td>');
 						row.append('<td class="text-left editable"><textarea class="item-spec">' + specification + '</textarea></td>');
 						row.append('<td class="editable"><input type="text" class="item-qty" value="' + quantity + '"></td>');
 						row.append('<td class="editable"><input type="text" class="item-unit" value="' + unit + '"></td>');
-						row.append('<td class="text-right editable"><input type="text" class="item-price" value="' + unitPrice + '"></td>');
-						row.append('<td class="text-right editable"><input type="text" class="item-amount" value="' + amount + '" readonly></td>');
+						row.append('<td class="text-right editable"><input type="text" class="item-price" value="' + unitPriceFormatted + '"></td>');
+						row.append('<td class="text-right editable"><input type="text" class="item-amount" value="' + amountFormatted + '" readonly></td>');
 						row.append('<td class="editable"><input type="text" class="item-note" value="' + note + '"></td>');
 						$("#itemsTableBody").append(row);
 					});
diff --git a/src/com/pms/salesmgmt/controller/ContractMgmtController.java b/src/com/pms/salesmgmt/controller/ContractMgmtController.java
index ac71580..c7601f7 100644
--- a/src/com/pms/salesmgmt/controller/ContractMgmtController.java
+++ b/src/com/pms/salesmgmt/controller/ContractMgmtController.java
@@ -1933,4 +1933,36 @@ public class ContractMgmtController {
 		
 		return resultMap;
 	}
+	
+	/**
+	 * 견적서 메일 발송 (AJAX)
+	 * @param request
+	 * @param paramMap - objId (CONTRACT_OBJID)
+	 * @return
+	 */
+	@ResponseBody
+	@RequestMapping(value="/contractMgmt/sendEstimateMail.do", method=RequestMethod.POST)
+	public Map sendEstimateMail(HttpServletRequest request, @RequestParam Map<String, Object> paramMap){
+		Map resultMap = new HashMap();
+		
+		try {
+			String objId = CommonUtils.checkNull(paramMap.get("objId"));
+			
+			if("".equals(objId) || "-1".equals(objId)){
+				resultMap.put("result", "error");
+				resultMap.put("message", "잘못된 요청입니다.");
+				return resultMap;
+			}
+			
+			// 메일 발송 서비스 호출
+			resultMap = contractMgmtService.sendEstimateMail(request, paramMap);
+			
+		} catch (Exception e) {
+			e.printStackTrace();
+			resultMap.put("result", "error");
+			resultMap.put("message", "메일 발송 중 오류가 발생했습니다: " + e.getMessage());
+		}
+		
+		return resultMap;
+	}
 }
diff --git a/src/com/pms/salesmgmt/mapper/contractMgmt.xml b/src/com/pms/salesmgmt/mapper/contractMgmt.xml
index b9d6e5e..a12c431 100644
--- a/src/com/pms/salesmgmt/mapper/contractMgmt.xml
+++ b/src/com/pms/salesmgmt/mapper/contractMgmt.xml
@@ -501,9 +501,25 @@
 				,EST_PRICE
 				,EST_SUPPLY_PRICE
 				,(SELECT COUNT(1) FROM ESTIMATE_TEMPLATE WHERE CONTRACT_OBJID = T.OBJID) AS EST_STATUS
+				,(
+					SELECT IS_SEND 
+					FROM MAIL_LOG 
+					WHERE MAIL_TYPE = 'CONTRACT_ESTIMATE' 
+					AND TITLE LIKE '%[OBJID:' || T.OBJID || ']%'
+					ORDER BY LOG_TIME DESC
+					LIMIT 1
+				) AS MAIL_SEND_STATUS
+				,(
+					SELECT TO_CHAR(LOG_TIME, 'YYYY-MM-DD HH24:MI') 
+					FROM MAIL_LOG 
+					WHERE MAIL_TYPE = 'CONTRACT_ESTIMATE' 
+					AND TITLE LIKE '%[OBJID:' || T.OBJID || ']%'
+					ORDER BY LOG_TIME DESC
+					LIMIT 1
+				) AS MAIL_SEND_DATE
 				,A.APPR_STATUS
 				,A.APPROVAL_OBJID
-				,A.ROUTE_OBJID 
+				,A.ROUTE_OBJID
 			FROM 
 				CONTRACT_MGMT AS T
 			LEFT OUTER JOIN
@@ -3907,8 +3923,7 @@ ORDER BY ASM.SUPPLY_NAME
 		CHG_USER_ID = #{chg_user_id},
 		CHGDATE = NOW()
 	WHERE
-		CONTRACT_OBJID = #{objId}
-		AND TEMPLATE_TYPE = #{template_type}
+		OBJID = #{template_objid}
 </update>
 
 <!-- 견적서 템플릿 품목 삭제 -->
@@ -3963,8 +3978,61 @@ ORDER BY ASM.SUPPLY_NAME
 		CHG_USER_ID = #{chg_user_id},
 		CHGDATE = NOW()
 	WHERE
-		CONTRACT_OBJID = #{objId}
-		AND TEMPLATE_TYPE = #{template_type}
+		OBJID = #{template_objid}
 </update>
+
+<!-- 최종 차수 견적서 조회 (메일 발송용) -->
+<select id="getLatestEstimateTemplate" parameterType="map" resultType="map">
+	SELECT
+		OBJID AS "OBJID",
+		CONTRACT_OBJID AS "CONTRACT_OBJID",
+		TEMPLATE_TYPE AS "TEMPLATE_TYPE",
+		EXECUTOR AS "EXECUTOR",
+		RECIPIENT AS "RECIPIENT",
+		ESTIMATE_NO AS "ESTIMATE_NO",
+		CONTACT_PERSON AS "CONTACT_PERSON",
+		GREETING_TEXT AS "GREETING_TEXT",
+		MODEL_NAME AS "MODEL_NAME",
+		MODEL_CODE AS "MODEL_CODE",
+		EXECUTOR_DATE AS "EXECUTOR_DATE",
+		NOTE1 AS "NOTE1",
+		NOTE2 AS "NOTE2",
+		NOTE3 AS "NOTE3",
+		NOTE4 AS "NOTE4",
+		WRITER AS "WRITER",
+		TO_CHAR(REGDATE, 'YYYY-MM-DD HH24:MI') AS "REGDATE",
+		CHG_USER_ID AS "CHG_USER_ID",
+		TO_CHAR(CHGDATE, 'YYYY-MM-DD HH24:MI') AS "CHGDATE",
+		CATEGORIES_JSON AS "CATEGORIES_JSON"
+	FROM
+		ESTIMATE_TEMPLATE
+	WHERE
+		CONTRACT_OBJID = #{objId}
+	ORDER BY 
+		TEMPLATE_TYPE,
+		REGDATE DESC
+	LIMIT 1
+</select>
+
+<!-- 계약 정보 조회 (메일 발송용) -->
+<select id="getContractInfoForMail" parameterType="map" resultType="map">
+	SELECT
+		T.OBJID,
+		T.CUSTOMER_OBJID,
+		(SELECT SUPPLY_NAME FROM SUPPLY_MNG AS O WHERE O.OBJID = T.CUSTOMER_OBJID::NUMERIC) AS CUSTOMER_NAME,
+		(SELECT EMAIL FROM SUPPLY_MNG AS O WHERE O.OBJID = T.CUSTOMER_OBJID::NUMERIC) AS CUSTOMER_EMAIL,
+		T.CUSTOMER_PROJECT_NAME,
+		T.CONTRACT_NO,
+		T.PRODUCT,
+		CODE_NAME(T.PRODUCT) AS PRODUCT_NAME,
+		T.WRITER,
+		(SELECT USER_NAME FROM USER_INFO AS O WHERE O.USER_ID = T.WRITER) AS WRITER_NAME,
+		(SELECT EMAIL FROM USER_INFO AS O WHERE O.USER_ID = T.WRITER) AS WRITER_EMAIL,
+		TO_CHAR(T.REGDATE, 'YYYY-MM-DD') AS REGDATE
+	FROM
+		CONTRACT_MGMT AS T
+	WHERE
+		OBJID::VARCHAR = #{objId}
+</select>
 		
 </mapper>
\ No newline at end of file
diff --git a/src/com/pms/salesmgmt/service/ContractMgmtService.java b/src/com/pms/salesmgmt/service/ContractMgmtService.java
index 46a6e51..bae1f2c 100644
--- a/src/com/pms/salesmgmt/service/ContractMgmtService.java
+++ b/src/com/pms/salesmgmt/service/ContractMgmtService.java
@@ -28,6 +28,7 @@ import com.pms.common.SqlMapConfig;
 import com.pms.common.bean.PersonBean;
 import com.pms.common.utils.CommonUtils;
 import com.pms.common.utils.Constants;
+import com.pms.common.utils.MailUtil;
 import com.pms.service.CommonService;
 
 /**
@@ -1453,4 +1454,282 @@ public class ContractMgmtService {
 		
 		return resultMap;
 	}
+	
+	/**
+	 * 견적서 메일 발송
+	 * @param request
+	 * @param paramMap - objId (CONTRACT_OBJID)
+	 * @return
+	 */
+	public Map sendEstimateMail(HttpServletRequest request, Map paramMap){
+		Map resultMap = new HashMap();
+		SqlSession sqlSession = null;
+		
+		try{
+			sqlSession = SqlMapConfig.getInstance().getSqlSession(false);
+			
+			String objId = CommonUtils.checkNull(paramMap.get("objId"));
+			
+		// 1. 계약 정보 조회
+		Map contractInfo = (Map) sqlSession.selectOne("contractMgmt.getContractInfoForMail", paramMap);
+		if(contractInfo == null || contractInfo.isEmpty()){
+			resultMap.put("result", "error");
+			resultMap.put("message", "계약 정보를 찾을 수 없습니다.");
+			return resultMap;
+		}
+		
+		// 2. 최종 차수 견적서 조회
+		Map estimateTemplate = (Map) sqlSession.selectOne("contractMgmt.getLatestEstimateTemplate", paramMap);
+		if(estimateTemplate == null || estimateTemplate.isEmpty()){
+			resultMap.put("result", "error");
+			resultMap.put("message", "견적서를 찾을 수 없습니다.");
+			return resultMap;
+		}
+		
+		// 디버깅: estimateTemplate 출력
+		System.out.println("===== Estimate Template Debug =====");
+		for(Object key : estimateTemplate.keySet()){
+			System.out.println(key + " = " + estimateTemplate.get(key));
+		}
+		System.out.println("===================================");
+		
+	String templateObjId = CommonUtils.checkNull(estimateTemplate.get("objid"));
+	if("".equals(templateObjId)) templateObjId = CommonUtils.checkNull(estimateTemplate.get("OBJID"));
+	
+	String templateType = CommonUtils.checkNull(estimateTemplate.get("template_type"));
+	if("".equals(templateType)) templateType = CommonUtils.checkNull(estimateTemplate.get("TEMPLATE_TYPE"));
+			
+		// 3. 견적서 품목 조회
+		Map itemParam = new HashMap();
+		itemParam.put("templateObjId", templateObjId);
+		List<Map> estimateItems = sqlSession.selectList("contractMgmt.getEstimateTemplateItemsByTemplateObjId", itemParam);
+		
+		System.out.println("===== Estimate Items Debug =====");
+		System.out.println("Items count: " + (estimateItems != null ? estimateItems.size() : 0));
+		if(estimateItems != null && !estimateItems.isEmpty()){
+			for(int i = 0; i < Math.min(3, estimateItems.size()); i++){
+				Map item = estimateItems.get(i);
+				System.out.println("Item " + (i+1) + " keys: " + item.keySet());
+			}
+		}
+		System.out.println("================================");
+			
+	// 4. 메일 제목 생성 (CONTRACT_OBJID 포함)
+	String contractNo = CommonUtils.checkNull(contractInfo.get("contract_no"));
+	String customerName = CommonUtils.checkNull(contractInfo.get("customer_name"));
+	String subject = "[" + customerName + "] " + contractNo + " 견적서 [OBJID:" + objId + "]";
+		
+	// 5. 메일 내용 생성
+	String contents = makeEstimateMailContents(contractInfo, estimateTemplate, estimateItems);
+			
+		// 6. 수신자 정보 설정
+		ArrayList<String> toEmailList = new ArrayList<String>();
+		String customerEmail = CommonUtils.checkNull(contractInfo.get("customer_email"));
+		if(!"".equals(customerEmail)){
+			toEmailList.add(customerEmail);
+		} else {
+			resultMap.put("result", "error");
+			resultMap.put("message", "고객사 이메일 정보가 없습니다.");
+			return resultMap;
+		}
+		
+		// 7. 참조: 작성자 이메일
+		ArrayList<String> ccEmailList = new ArrayList<String>();
+		String writerEmail = CommonUtils.checkNull(contractInfo.get("writer_email"));
+		if(!"".equals(writerEmail)){
+			ccEmailList.add(writerEmail);
+		}
+			
+		// 8. 메일 발송
+		PersonBean person = (PersonBean)request.getSession().getAttribute(Constants.PERSON_BEAN);
+		String fromUserId = person.getUserId();
+		
+		System.out.println("===== 메일 발송 시도 =====");
+		System.out.println("From UserId: " + fromUserId);
+		System.out.println("To Email: " + toEmailList);
+		System.out.println("CC Email: " + ccEmailList);
+		System.out.println("Subject: " + subject);
+		System.out.println("========================");
+		
+	boolean mailSent = false;
+	try {
+		mailSent = MailUtil.sendMailWithAttachFile(
+			fromUserId, 
+			null,  // fromEmail (자동으로 SMTP 설정 사용)
+			new ArrayList<String>(),  // toUserIdList (빈 리스트)
+			toEmailList, 
+			ccEmailList, 
+			new ArrayList<String>(),  // bccEmailList (빈 리스트)
+			null,  // important
+			subject, 
+			contents, 
+			null,  // attachFileList (TODO: PDF 첨부 구현)
+			"CONTRACT_ESTIMATE"
+		);
+			
+			System.out.println("메일 발송 결과: " + mailSent);
+			
+		} catch(Exception mailEx) {
+			System.out.println("메일 발송 중 예외 발생: " + mailEx.getMessage());
+			mailEx.printStackTrace();
+			resultMap.put("result", "error");
+			resultMap.put("message", "메일 발송 중 예외가 발생했습니다: " + mailEx.getMessage());
+			return resultMap;
+		}
+		
+		if(mailSent){
+			resultMap.put("result", "success");
+			resultMap.put("message", "견적서가 성공적으로 발송되었습니다.");
+		} else {
+			resultMap.put("result", "error");
+			resultMap.put("message", "메일 발송에 실패했습니다.");
+		}
+			
+		}catch(Exception e){
+			resultMap.put("result", "error");
+			resultMap.put("message", "메일 발송 중 오류가 발생했습니다: " + e.getMessage());
+			e.printStackTrace();
+		}finally{
+			if(sqlSession != null) sqlSession.close();
+		}
+		
+		return resultMap;
+	}
+	
+	/**
+	 * 견적서 메일 내용 생성
+	 * @param contractInfo
+	 * @param estimateTemplate
+	 * @param estimateItems
+	 * @return
+	 */
+private String makeEstimateMailContents(Map contractInfo, Map estimateTemplate, List<Map> estimateItems){
+	StringBuilder contents = new StringBuilder();
+	
+	contents.append("<html>");
+	contents.append("<head>");
+	contents.append("<meta charset='UTF-8'>");
+	contents.append("<style>");
+	contents.append("body { font-family: 'Malgun Gothic', '맑은 고딕', Arial, sans-serif; margin: 20px; background-color: #f5f5f5; }");
+	contents.append(".estimate-container { max-width: 800px; background: white; margin: 0 auto; padding: 40px; box-shadow: 0 0 10px rgba(0,0,0,0.1); }");
+	contents.append(".title { text-align: center; font-size: 24pt; font-weight: bold; letter-spacing: 10px; margin-bottom: 40px; border-bottom: 3px solid #333; padding-bottom: 20px; }");
+	contents.append(".info-table { width: 100%; border-collapse: collapse; margin-bottom: 30px; }");
+	contents.append(".info-table td { padding: 8px; border: 1px solid #000; font-size: 10pt; }");
+	contents.append(".info-table .label { background-color: #f0f0f0; font-weight: bold; width: 100px; text-align: center; }");
+	contents.append(".items-table { width: 100%; border-collapse: collapse; margin: 20px 0; }");
+	contents.append(".items-table th, .items-table td { border: 1px solid #000; padding: 8px; font-size: 9pt; }");
+	contents.append(".items-table th { background-color: #e0e0e0; font-weight: bold; text-align: center; }");
+	contents.append(".text-right { text-align: right; }");
+	contents.append(".text-center { text-align: center; }");
+	contents.append(".note-section { margin-top: 30px; padding: 20px; background-color: #f9f9f9; border: 1px solid #ddd; }");
+	contents.append(".note-section h4 { margin-top: 0; font-size: 11pt; }");
+	contents.append(".note-section div { margin: 10px 0; font-size: 9pt; line-height: 1.6; }");
+	contents.append("</style>");
+	contents.append("</head>");
+	contents.append("<body>");
+	contents.append("<div class='estimate-container'>");
+	
+	// 제목
+	contents.append("<div class='title'>견 적 서</div>");
+	
+	// estimateTemplate 키는 대문자/소문자 모두 체크
+	String recipient = CommonUtils.checkNull(estimateTemplate.get("recipient"));
+	if("".equals(recipient)) recipient = CommonUtils.checkNull(estimateTemplate.get("RECIPIENT"));
+	
+	String contactPerson = CommonUtils.checkNull(estimateTemplate.get("contact_person"));
+	if("".equals(contactPerson)) contactPerson = CommonUtils.checkNull(estimateTemplate.get("CONTACT_PERSON"));
+	
+	String estimateNo = CommonUtils.checkNull(estimateTemplate.get("estimate_no"));
+	if("".equals(estimateNo)) estimateNo = CommonUtils.checkNull(estimateTemplate.get("ESTIMATE_NO"));
+	
+	String executorDate = CommonUtils.checkNull(estimateTemplate.get("executor_date"));
+	if("".equals(executorDate)) executorDate = CommonUtils.checkNull(estimateTemplate.get("EXECUTOR_DATE"));
+	
+	// 기본 정보 테이블
+	contents.append("<table class='info-table'>");
+	contents.append("<tr><td class='label'>수신처</td><td>" + recipient + "</td></tr>");
+	contents.append("<tr><td class='label'>수신인</td><td>" + contactPerson + "</td></tr>");
+	contents.append("<tr><td class='label'>견적번호</td><td>" + estimateNo + "</td></tr>");
+	contents.append("<tr><td class='label'>영업번호</td><td>" + CommonUtils.checkNull(contractInfo.get("contract_no")) + "</td></tr>");
+	contents.append("<tr><td class='label'>발행일</td><td>" + executorDate + "</td></tr>");
+	contents.append("</table>");
+		
+	// 견적 품목
+	if(estimateItems != null && !estimateItems.isEmpty()){
+		contents.append("<table class='items-table'>");
+		contents.append("<thead>");
+		contents.append("<tr>");
+		contents.append("<th style='width:5%;'>No.</th>");
+		contents.append("<th style='width:20%;'>품명</th>");
+		contents.append("<th style='width:22%;'>규격</th>");
+		contents.append("<th style='width:7%;'>수량</th>");
+		contents.append("<th style='width:8%;'>단위</th>");
+		contents.append("<th style='width:11%;'>단가</th>");
+		contents.append("<th style='width:11%;'>금액</th>");
+		contents.append("<th style='width:16%;'>비고</th>");
+		contents.append("</tr>");
+		contents.append("</thead>");
+		contents.append("<tbody>");
+			
+		long totalAmount = 0;
+		for(int i = 0; i < estimateItems.size(); i++){
+			Map item = estimateItems.get(i);
+			String amount = CommonUtils.checkNull(item.get("amount"));
+			if(!"".equals(amount)){
+				try {
+					totalAmount += Long.parseLong(amount.replace(",", ""));
+				} catch(Exception e){}
+			}
+			
+			contents.append("<tr>");
+			contents.append("<td class='text-center'>" + (i + 1) + "</td>");
+			contents.append("<td>" + CommonUtils.checkNull(item.get("description")) + "</td>");
+			contents.append("<td>" + CommonUtils.checkNull(item.get("specification")) + "</td>");
+			contents.append("<td class='text-center'>" + CommonUtils.checkNull(item.get("quantity")) + "</td>");
+			contents.append("<td class='text-center'>" + CommonUtils.checkNull(item.get("unit")) + "</td>");
+			contents.append("<td class='text-right'>" + CommonUtils.checkNull(item.get("unit_price")) + "</td>");
+			contents.append("<td class='text-right'>" + CommonUtils.checkNull(item.get("amount")) + "</td>");
+			contents.append("<td>" + CommonUtils.checkNull(item.get("note")) + "</td>");
+			contents.append("</tr>");
+		}
+			
+		// 합계
+		contents.append("<tr style='background-color:#f0f0f0; font-weight:bold;'>");
+		contents.append("<td colspan='6' class='text-right'>합계</td>");
+		contents.append("<td class='text-right'>₩" + String.format("%,d", totalAmount) + "</td>");
+		contents.append("<td></td>");
+		contents.append("</tr>");
+		contents.append("</tbody>");
+		contents.append("</table>");
+	}
+	
+	// 비고 (대소문자 모두 체크)
+	String note1 = CommonUtils.checkNull(estimateTemplate.get("note1"));
+	if("".equals(note1)) note1 = CommonUtils.checkNull(estimateTemplate.get("NOTE1"));
+	
+	String note2 = CommonUtils.checkNull(estimateTemplate.get("note2"));
+	if("".equals(note2)) note2 = CommonUtils.checkNull(estimateTemplate.get("NOTE2"));
+	
+	String note3 = CommonUtils.checkNull(estimateTemplate.get("note3"));
+	if("".equals(note3)) note3 = CommonUtils.checkNull(estimateTemplate.get("NOTE3"));
+	
+	String note4 = CommonUtils.checkNull(estimateTemplate.get("note4"));
+	if("".equals(note4)) note4 = CommonUtils.checkNull(estimateTemplate.get("NOTE4"));
+	
+	if(!"".equals(note1) || !"".equals(note2) || !"".equals(note3) || !"".equals(note4)){
+		contents.append("<div class='note-section'>");
+		contents.append("<h4>※ 비고</h4>");
+		if(!"".equals(note1)) contents.append("<div>1. " + note1 + "</div>");
+		if(!"".equals(note2)) contents.append("<div>2. " + note2 + "</div>");
+		if(!"".equals(note3)) contents.append("<div>3. " + note3 + "</div>");
+		if(!"".equals(note4)) contents.append("<div>4. " + note4 + "</div>");
+		contents.append("</div>");
+	}
+	
+	contents.append("</div>"); // estimate-container 닫기
+	contents.append("</body>");
+	contents.append("</html>");
+	
+	return contents.toString();
+}
 }