Fix SMTP defaults and upload validation

app/modules/email_integration/services.py

@@ -252,18 +252,33 @@ def get_or_create_email_setting(db: Session, tenant_id: int, branch_id: int | No
     ).scalar_one_or_none()
     if row:
         return row
+
+    settings = get_settings()
+
     row = EmailSetting(
         tenant_id=tenant_id,
         branch_id=branch_id,
-        smtp_host="smtp.hostinger.com",
-        smtp_port=465,
+
+        # SMTP defaults from Coolify / environment
+        smtp_host=getattr(settings, "SMTP_HOST", None) or "mail.vavalam.com",
+        smtp_port=int(getattr(settings, "SMTP_PORT", 465) or 465),
         smtp_security="SSL",
-        imap_host="imap.hostinger.com",
-        imap_port=993,
+        smtp_username=getattr(settings, "SMTP_USERNAME", None) or "no-reply@vavalam.com",
+        smtp_password=getattr(settings, "SMTP_PASSWORD", None),
+
+        # Sender defaults
+        from_email=getattr(settings, "SMTP_FROM_EMAIL", None) or "no-reply@vavalam.com",
+        from_name=getattr(settings, "SMTP_FROM_NAME", None) or "ARRR ERP",
+
+        # IMAP defaults from Coolify / environment
+        imap_host=getattr(settings, "IMAP_HOST", None) or "mail.vavalam.com",
+        imap_port=int(getattr(settings, "IMAP_PORT", 993) or 993),
         imap_security="SSL",
+
         created_by_user_id=actor_user_id,
         updated_by_user_id=actor_user_id,
     )
+
     db.add(row)
     db.flush()
     seed_default_email_templates(db, tenant_id=tenant_id, branch_id=branch_id)