improve add account flow

back/mails/smtp/SmtpInstance.ts

@@ -5,12 +5,11 @@ export class SmtpInstance {
     transporter: Transporter;
     user: string;
 
-    constructor(account: { user: string; password: string }) {
-        // todo store other data
+    constructor(account: { user: string; password: string, smtp_host: string, smtp_port: number }) {
         this.user = account.user;
         this.transporter = nodemailer.createTransport({
-            host: "smtp.gmail.com",
-            port: 465,
+            host: account.smtp_host,
+            port: account.smtp_port,
             secure: true,
             auth: {
                 user: account.user,