diff --git a/common/constants.go b/common/constants.go
index 4000e08..85ecadd 100644
--- a/common/constants.go
+++ b/common/constants.go
@@ -75,6 +75,7 @@ var LogConsumeEnabled = true
 
 var SMTPServer = ""
 var SMTPPort = 587
+var SMTPSSLEnabled = false
 var SMTPAccount = ""
 var SMTPFrom = ""
 var SMTPToken = ""
diff --git a/common/email.go b/common/email.go
index 5d3ef0d..13345d8 100644
--- a/common/email.go
+++ b/common/email.go
@@ -24,7 +24,7 @@ func SendEmail(subject string, receiver string, content string) error {
 	addr := fmt.Sprintf("%s:%d", SMTPServer, SMTPPort)
 	to := strings.Split(receiver, ";")
 	var err error
-	if SMTPPort == 465 {
+	if SMTPPort == 465 || SMTPSSLEnabled {
 		tlsConfig := &tls.Config{
 			InsecureSkipVerify: true,
 			ServerName:         SMTPServer,
diff --git a/model/option.go b/model/option.go
index 46e41da..2ccfe03 100644
--- a/model/option.go
+++ b/model/option.go
@@ -50,6 +50,7 @@ func InitOptionMap() {
 	common.OptionMap["SMTPPort"] = strconv.Itoa(common.SMTPPort)
 	common.OptionMap["SMTPAccount"] = ""
 	common.OptionMap["SMTPToken"] = ""
+	common.OptionMap["SMTPSSLEnabled"] = strconv.FormatBool(common.SMTPSSLEnabled)
 	common.OptionMap["Notice"] = ""
 	common.OptionMap["About"] = ""
 	common.OptionMap["HomePageContent"] = ""
@@ -199,6 +200,8 @@ func updateOptionMap(key string, value string) (err error) {
 			constant.CheckSensitiveOnCompletionEnabled = boolValue
 		case "StopOnSensitiveEnabled":
 			constant.StopOnSensitiveEnabled = boolValue
+		case "SMTPSSLEnabled":
+			common.SMTPSSLEnabled = boolValue
 		}
 	}
 	switch key {
diff --git a/web/src/components/SystemSetting.js b/web/src/components/SystemSetting.js
index c305d2c..8d13ef1 100644
--- a/web/src/components/SystemSetting.js
+++ b/web/src/components/SystemSetting.js
@@ -42,6 +42,7 @@ const SystemSetting = () => {
     TurnstileSecretKey: '',
     RegisterEnabled: '',
     EmailDomainRestrictionEnabled: '',
+    SMTPSSLEnabled: '',
     EmailDomainWhitelist: [],
     // telegram login
     TelegramOAuthEnabled: '',
@@ -98,6 +99,7 @@ const SystemSetting = () => {
       case 'TelegramOAuthEnabled':
       case 'TurnstileCheckEnabled':
       case 'EmailDomainRestrictionEnabled':
+      case 'SMTPSSLEnabled':
       case 'RegisterEnabled':
         value = inputs[key] === 'true' ? 'false' : 'true';
         break;
@@ -134,7 +136,7 @@ const SystemSetting = () => {
     }
     if (
       name === 'Notice' ||
-      name.startsWith('SMTP') ||
+      (name.startsWith('SMTP') && name !== 'SMTPSSLEnabled') ||
       name === 'ServerAddress' ||
       name === 'EpayId' ||
       name === 'EpayKey' ||
@@ -570,6 +572,14 @@ const SystemSetting = () => {
               placeholder='敏感信息不会发送到前端显示'
             />
           </Form.Group>
+          <Form.Group widths={3}>
+            <Form.Checkbox
+              label='启用SMTP SSL（465端口强制开启）'
+              name='SMTPSSLEnabled'
+              onChange={handleInputChange}
+              checked={inputs.SMTPSSLEnabled === 'true'}
+            />
+          </Form.Group>
           <Form.Button onClick={submitSMTP}>保存 SMTP 设置</Form.Button>
           <Divider />
           <Header as='h3'>