feat: Add optional replyTo for email sending

server/emails/mailer.tsx

@@ -11,6 +11,7 @@ const useTestEmailService =
 
 type SendMailOptions = {
   to: string;
+  replyTo?: string;
   subject: string;
   previewText?: string;
   text: string;
@@ -70,8 +71,8 @@ export class Mailer {
     try {
       Logger.info("email", `Sending email "${data.subject}" to ${data.to}`);
       const info = await transporter.sendMail({
-        from: `Outline <${env.SMTP_FROM_EMAIL}>`,
-        replyTo: env.SMTP_REPLY_EMAIL ?? env.SMTP_FROM_EMAIL,
+        from: env.SMTP_FROM_EMAIL,
+        replyTo: data.replyTo ?? env.SMTP_REPLY_EMAIL ?? env.SMTP_FROM_EMAIL,
         to: data.to,
         subject: data.subject,
         html,