Sostituisce Resend con Cloudflare Email Service.

Usa il binding EMAIL per contatti e newsletter, eliminando la dipendenza da Resend e dalle relative API key.

Co-authored-by: Cursor <cursoragent@cursor.com>

src/lib/newsletter.ts

@@ -100,34 +100,7 @@ export async function verifyTurnstile(
   return payload.success === true;
 }
 
-export async function sendWithResend(options: {
-  apiKey: string;
-  fromEmail: string;
-  toEmail: string;
-  subject: string;
-  text: string;
-  html?: string;
-}): Promise<void> {
-  const response = await fetch('https://api.resend.com/emails', {
-    method: 'POST',
-    headers: {
-      Authorization: `Bearer ${options.apiKey}`,
-      'Content-Type': 'application/json',
-    },
-    body: JSON.stringify({
-      from: options.fromEmail,
-      to: [options.toEmail],
-      subject: options.subject,
-      text: options.text,
-      ...(options.html ? { html: options.html } : {}),
-    }),
-  });
-
-  if (!response.ok) {
-    const detail = await response.text();
-    throw new Error(`Resend error ${response.status}: ${detail}`);
-  }
-}
+export { getEmailBinding, sendCloudflareEmail } from './email';
 
 export function siteOrigin(requestUrl: URL, runtimeEnv: RuntimeEnv): string {
   const configured = readEnv('PUBLIC_SITE_URL', runtimeEnv) || readEnv('SITE', runtimeEnv);