[Bug] Register | Tenant SMTP blocks new users to register (developmen…

…t environment) (#2753)

* fix: error handling on user registration

* refact: using if check for SMTP error handlers

apps/web/app/api/auth/register/route.ts

@@ -13,7 +13,7 @@ import {
 } from '@app/services/server/requests';
 import { setAuthCookies } from '@app/helpers/cookies';
 import { recaptchaVerification } from '@app/services/server/recaptcha';
-import { RECAPTCHA_SECRET_KEY, VERIFY_EMAIL_CALLBACK_PATH } from '@app/constants';
+import { RECAPTCHA_SECRET_KEY, SMTP_PASSWORD, SMTP_USERNAME, VERIFY_EMAIL_CALLBACK_PATH } from '@app/constants';
 import { NextResponse } from 'next/server';
 
 export async function POST(req: Request) {
@@ -84,10 +84,12 @@ export async function POST(req: Request) {
 	const { data: tenant } = await createTenantRequest(body.team, auth_token);
 
 	// Create tenant SMTP
-	await createTenantSmtpRequest({
-		access_token: auth_token,
-		tenantId: tenant.id
-	});
+	if (SMTP_USERNAME && SMTP_PASSWORD) {
+		await createTenantSmtpRequest({
+			access_token: auth_token,
+			tenantId: tenant.id
+		});
+	}
 
 	// Create user organization
 	const { data: organization } = await createOrganizationRequest(