diff --git a/backend/src/main/java/io/metersphere/commons/constants/ParamConstants.java b/backend/src/main/java/io/metersphere/commons/constants/ParamConstants.java
index 430b703312..c775fc7889 100644
--- a/backend/src/main/java/io/metersphere/commons/constants/ParamConstants.java
+++ b/backend/src/main/java/io/metersphere/commons/constants/ParamConstants.java
@@ -95,8 +95,7 @@ public interface ParamConstants {
         PASSWORD("smtp.password", 4),
         SSL("smtp.ssl", 5),
         TLS("smtp.tls", 6),
-        SMTP("smtp.smtp", 7);
-        /* ANON("smtp.anon", 7);*/
+        ANON("smtp.anon", 7);
 
         private String key;
         private Integer value;
diff --git a/backend/src/main/java/io/metersphere/notice/service/MailService.java b/backend/src/main/java/io/metersphere/notice/service/MailService.java
index e5e0261284..22321658ce 100644
--- a/backend/src/main/java/io/metersphere/notice/service/MailService.java
+++ b/backend/src/main/java/io/metersphere/notice/service/MailService.java
@@ -347,6 +347,7 @@ public class MailService {
         List<SystemParameter> paramList = systemParameterService.getParamList(ParamConstants.Classify.MAIL.getValue());
         javaMailSender.setDefaultEncoding("UTF-8");
         javaMailSender.setProtocol("smtp");
+        props.put("mail.smtp.auth", "true");
 
         for (SystemParameter p : paramList) {
             switch (p.getParamKey()) {
@@ -373,13 +374,19 @@ public class MailService {
                     props.put("mail.smtp.starttls.enable", result);
                     props.put("mail.smtp.starttls.required", result);
                     break;
+                case "smtp.anon":
+                    boolean isAnon = BooleanUtils.toBoolean(p.getParamValue());
+                    if (isAnon) {
+                        props.put("mail.smtp.auth", "false");
+                        javaMailSender.setUsername(null);
+                        javaMailSender.setPassword(null);
+                    }
+                    break;
                 default:
                     break;
             }
         }
 
-        props.put("mail.smtp.auth", "true");
-
         props.put("mail.smtp.timeout", "30000");
         props.put("mail.smtp.connectiontimeout", "5000");
         javaMailSender.setJavaMailProperties(props);
diff --git a/backend/src/main/java/io/metersphere/service/SystemParameterService.java b/backend/src/main/java/io/metersphere/service/SystemParameterService.java
index 680a0886e0..255d6159ce 100644
--- a/backend/src/main/java/io/metersphere/service/SystemParameterService.java
+++ b/backend/src/main/java/io/metersphere/service/SystemParameterService.java
@@ -86,7 +86,14 @@ public class SystemParameterService {
         javaMailSender.setUsername(hashMap.get(ParamConstants.MAIL.ACCOUNT.getKey()));
         javaMailSender.setPassword(hashMap.get(ParamConstants.MAIL.PASSWORD.getKey()));
         Properties props = new Properties();
-        props.put("mail.smtp.auth", "true");
+        boolean isAnon = Boolean.parseBoolean(hashMap.get(ParamConstants.MAIL.ANON.getKey()));
+        if (isAnon) {
+            props.put("mail.smtp.auth", "false");
+            javaMailSender.setUsername(null);
+            javaMailSender.setPassword(null);
+        } else {
+            props.put("mail.smtp.auth", "true");
+        }
         if (BooleanUtils.toBoolean(hashMap.get(ParamConstants.MAIL.SSL.getKey()))) {
             props.put("mail.smtp.socketFactory.class", "javax.net.ssl.SSLSocketFactory");
         }
diff --git a/frontend/src/business/components/settings/system/EmailSetting.vue b/frontend/src/business/components/settings/system/EmailSetting.vue
index 47d845993f..8de498081d 100644
--- a/frontend/src/business/components/settings/system/EmailSetting.vue
+++ b/frontend/src/business/components/settings/system/EmailSetting.vue
@@ -45,7 +45,7 @@
         <el-checkbox v-model="formInline.TLS" :label="$t('system_parameter_setting.TLS')"></el-checkbox>
       </div>
       <div style="border: 0px;margin-bottom: 20px">
-        <el-checkbox v-model="formInline.SMTP" :label="$t('system_parameter_setting.SMTP')"></el-checkbox>
+        <el-checkbox v-model="formInline.ANON" :label="$t('system_parameter_setting.SMTP')"></el-checkbox>
       </div>
       <template v-slot:footer>
       </template>
@@ -120,7 +120,7 @@ export default {
         this.$set(this.formInline, "password", response.data[3].paramValue);
         this.$set(this.formInline, "SSL", JSON.parse(response.data[4].paramValue));
         this.$set(this.formInline, "TLS", JSON.parse(response.data[5].paramValue));
-        this.$set(this.formInline, "SMTP", JSON.parse(response.data[6].paramValue));
+        this.$set(this.formInline, "ANON", JSON.parse(response.data[6].paramValue));
         this.$nextTick(() => {
           this.$refs.formInline.clearValidate();
         })
@@ -143,7 +143,7 @@ export default {
         "smtp.password": this.formInline.password,
         "smtp.ssl": this.formInline.SSL,
         "smtp.tls": this.formInline.TLS,
-        "smtp.smtp": this.formInline.SMTP,
+        "smtp.anon": this.formInline.ANON,
       };
       this.$refs[formInline].validate((valid) => {
         if (valid) {
@@ -173,7 +173,7 @@ export default {
         {paramKey: "smtp.password", paramValue: this.formInline.password, type: "password", sort: 4},
         {paramKey: "smtp.ssl", paramValue: this.formInline.SSL, type: "text", sort: 5},
         {paramKey: "smtp.tls", paramValue: this.formInline.TLS, type: "text", sort: 6},
-        {paramKey: "smtp.smtp", paramValue: this.formInline.SMTP, type: "text", sort: 7}
+        {paramKey: "smtp.anon", paramValue: this.formInline.ANON, type: "text", sort: 7}
       ]
 
       this.$refs[formInline].validate(valid => {
diff --git a/frontend/src/i18n/zh-CN.js b/frontend/src/i18n/zh-CN.js
index d237a3a018..7bffa63843 100644
--- a/frontend/src/i18n/zh-CN.js
+++ b/frontend/src/i18n/zh-CN.js
@@ -1005,7 +1005,7 @@ export default {
     SMTP_password: 'SMTP密码',
     SSL: '开启SSL(如果SMTP端口是465，通常需要启用SSL)',
     TLS: '开启TLS(如果SMTP端口是587，通常需要启用TLS)',
-    SMTP: '是否匿名 SMTP',
+    SMTP: '是否免密 SMTP',
     host: '主机号不能为空',
     port: '端口号不能为空',
     account: '账户不能为空',
diff --git a/frontend/src/i18n/zh-TW.js b/frontend/src/i18n/zh-TW.js
index 7b78e3a37b..989eecbb43 100644
--- a/frontend/src/i18n/zh-TW.js
+++ b/frontend/src/i18n/zh-TW.js
@@ -1006,7 +1006,7 @@ export default {
     SMTP_password: 'SMTP密碼',
     SSL: '開啟SSL(如果SMTP端口是465，通常需要啟用SSL)',
     TLS: '開啟TLS(如果SMTP端口是587，通常需要啟用TLS)',
-    SMTP: '是否匿名 SMTP',
+    SMTP: '是否免密 SMTP',
     host: '主機號不能為空',
     port: '端口號不能為空',
     account: '賬戶不能為空',