diff --git a/package-lock.json b/package-lock.json
index 3229db792..1321f7a30 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -10965,9 +10965,9 @@
       }
     },
     "node_modules/@types/smtp-server": {
-      "version": "3.5.12",
-      "resolved": "https://registry.npmjs.org/@types/smtp-server/-/smtp-server-3.5.12.tgz",
-      "integrity": "sha512-IBemrqI6nzvbgwE41Lnd4v4Yf1Kc7F1UHjk1GFBLNhLcI/Zop1ggHQ8g7Y8QYc6jGVgzWQcsa0MBNcGnDY9UGw==",
+      "version": "3.5.13",
+      "resolved": "https://registry.npmjs.org/@types/smtp-server/-/smtp-server-3.5.13.tgz",
+      "integrity": "sha512-S3rGl2KbViH+98/CgHipPIWgtAFnjxLsppxIRbgJHNuZL7Y+py+7kZjT7xS+wOmCxYTn4O7IqLqkvekg99MDVQ==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
@@ -23965,14 +23965,14 @@
       }
     },
     "node_modules/smtp-server": {
-      "version": "3.19.22",
-      "resolved": "https://registry.npmjs.org/smtp-server/-/smtp-server-3.19.22.tgz",
-      "integrity": "sha512-tFAL2UmSPDvxSIpH809XcZ61Pri2uM/8/EmGO4ptf8fAsoOrHbCeyv5jWAVE21zKQk/OEzEQHgJYjfUQF8lFxw==",
+      "version": "3.21.3",
+      "resolved": "https://registry.npmjs.org/smtp-server/-/smtp-server-3.21.3.tgz",
+      "integrity": "sha512-RJRuhJWt+Zs8/c9Pa1Qrzz7RO49iRxrdj+7CXjz+zwRZLVliYyM/vrqF4VxsFH67eLCNW9kM3o5K9tHvlPuiIw==",
       "dev": true,
       "license": "MIT-0",
       "dependencies": {
         "ipv6-normalize": "1.0.1",
-        "nodemailer": "10.1.1",
+        "nodemailer": "10.3.1",
         "punycode.js": "2.3.1"
       },
       "engines": {
@@ -23980,9 +23980,9 @@
       }
     },
     "node_modules/smtp-server/node_modules/nodemailer": {
-      "version": "10.1.1",
-      "resolved": "https://registry.npmjs.org/nodemailer/-/nodemailer-10.1.1.tgz",
-      "integrity": "sha512-pbqZRoeYUO+1E8TJ/11WeY4D2EVujj1hsYjz3qff/vUFDtGnmi7p3iqzTFslYOfQ6PnjVcWxx/CIUSHCSrO/QA==",
+      "version": "10.3.1",
+      "resolved": "https://registry.npmjs.org/nodemailer/-/nodemailer-10.3.1.tgz",
+      "integrity": "sha512-uF0AFsJC07Y1vdW7p580DKAnh7rAO+4UPSSB3mDCPNDufoiaOebV6JmrzpxB14OjEEEiBsNdYoM2Y+fN8M7BBA==",
       "dev": true,
       "license": "MIT-0",
       "engines": {
@@ -26848,7 +26848,7 @@
         "@types/passport-jwt": "^4.0.1",
         "@types/pg": "^8.23.1",
         "@types/picomatch": "4.0.2",
-        "@types/smtp-server": "^3.5.12",
+        "@types/smtp-server": "^3.5.13",
         "@types/ssh2": "1.15.6",
         "eslint": "^9.39.5",
         "imapkit": "^5.3.1",
@@ -26856,7 +26856,7 @@
         "pino-pretty": "^13.2.0",
         "prettier": "^3.9.10",
         "prisma": "^7.10.1",
-        "smtp-server": "^3.19.22",
+        "smtp-server": "^3.21.3",
         "source-map-support": "^0.5.21",
         "ts-jest": "^29.4.15",
         "ts-loader": "^9.6.2",
diff --git a/packages/backend/package.json b/packages/backend/package.json
index 627c65adb..1404f76d9 100644
--- a/packages/backend/package.json
+++ b/packages/backend/package.json
@@ -109,7 +109,7 @@
     "@types/passport-jwt": "^4.0.1",
     "@types/pg": "^8.23.1",
     "@types/picomatch": "4.0.2",
-    "@types/smtp-server": "^3.5.12",
+    "@types/smtp-server": "^3.5.13",
     "@types/ssh2": "1.15.6",
     "eslint": "^9.39.5",
     "imapkit": "^5.3.1",
@@ -117,7 +117,7 @@
     "pino-pretty": "^13.2.0",
     "prettier": "^3.9.10",
     "prisma": "^7.10.1",
-    "smtp-server": "^3.19.22",
+    "smtp-server": "^3.21.3",
     "source-map-support": "^0.5.21",
     "ts-jest": "^29.4.15",
     "ts-loader": "^9.6.2",