Se agregó el módulo para mandar emails masivos

src/mail/mail.controller.ts

@@ -6,6 +6,7 @@ import {
   UseInterceptors,
 } from '@nestjs/common';
 import { MailService } from './mail.service';
+import { ExcelService } from 'src/excel/excel.service';
 import { FileInterceptor } from '@nestjs/platform-express';
 import * as fs from 'fs';
 import * as csv from 'csv-parser';
@@ -15,7 +16,10 @@ import { ApiTags } from '@nestjs/swagger';
 @ApiTags('Mail') // Grupo de endpoints
 @Controller('mail')
 export class MailController {
-  constructor(private readonly mailService: MailService) {}
+  constructor(
+    private readonly mailService: MailService,
+    private readonly excelService: ExcelService
+  ) {}
 
   // Endpoint para enviar correos a través de una solicitud POST
   @Post('send')
@@ -26,6 +30,21 @@ export class MailController {
     return result;
   }
 
+  @Post('send-excel')
+  async sendMailExcel() {
+    
+    const emails=this.excelService.readEmailsFromExcel('./src/excel_Usuarios/usuarios_fake.xlsx');
+    for (const email of emails) {
+      try {
+        await this.mailService.sendMail(email, "subject", "text");
+        console.log(`📧 Enviado a: ${email}`);
+      } catch (error) {
+        console.error(`❌ Error enviando a ${email}:`, error.message);
+      }
+    }
+  }
+
+
   @Post('send-bulk')
   //@UseInterceptors(FileInterceptor('file'))
   @UseInterceptors(