diff --git a/openapi.json b/openapi.json
index dc32a6c..43c1eac 100644
--- a/openapi.json
+++ b/openapi.json
@@ -1,5 +1,5 @@
 {
-  "hash": "50b02791c7a6d303f38dd96ffece6974ae0eb8160c754e35f57027533f749d24",
+  "hash": "ce722f966bbb3c4eabd198291cd5cdc8eebf36391ba8eb0458d107822cfc8037",
   "openapi": "3.0.0",
   "paths": {
     "/hello": {
@@ -834,7 +834,7 @@
             "description": "No content."
           }
         },
-        "summary": "Send plain text email",
+        "summary": "Send email",
         "tags": [
           "email"
         ]
@@ -6356,6 +6356,9 @@
           },
           "content": {
             "type": "string"
+          },
+          "useHtml": {
+            "type": "boolean"
           }
         },
         "required": [
diff --git a/src/email/dto/send-email.dto.ts b/src/email/dto/send-email.dto.ts
index 46fbec1..a6c55fa 100644
--- a/src/email/dto/send-email.dto.ts
+++ b/src/email/dto/send-email.dto.ts
@@ -1,4 +1,4 @@
-import { IsEmail, IsNotEmpty, IsString } from 'class-validator';
+import { IsBoolean, IsEmail, IsNotEmpty, IsOptional, IsString } from 'class-validator';
 
 export class SendEmailDto {
   @IsNotEmpty()
@@ -16,4 +16,8 @@ export class SendEmailDto {
   @IsNotEmpty()
   @IsString()
   content: string;
+
+  @IsOptional()
+  @IsBoolean()
+  useHtml?: boolean;
 }
diff --git a/src/email/email.controller.ts b/src/email/email.controller.ts
index 4cdbf3b..ac61de5 100644
--- a/src/email/email.controller.ts
+++ b/src/email/email.controller.ts
@@ -28,7 +28,7 @@ export class EmailController {
   ) {}
 
   /**
-   * Send plain text email
+   * Send email
    */
   @ApiOperation({ operationId: 'sendEmail' })
   @ApiNoContentResponse({ description: 'No content.' })
diff --git a/src/email/email.service.ts b/src/email/email.service.ts
index e44ef1b..0ddc7d8 100644
--- a/src/email/email.service.ts
+++ b/src/email/email.service.ts
@@ -38,14 +38,7 @@ export class EmailService {
   sendEmail(dto: SendEmailDto) {
     return this.mailer.send({
       ...dto,
-      useHtml: false,
-    });
-  }
-
-  sendHtmlEmail(dto: SendEmailDto) {
-    return this.mailer.send({
-      ...dto,
-      useHtml: true,
+      useHtml: !!dto.useHtml,
     });
   }
 }