+ my $customer_object = SL::DB::Manager::Customer->find_by(id => $::form->{customer_id});
+ $::form->{postal_invoice} = $customer_object->postal_invoice;
+ $::form->{email_recipient_invoice_address} = $::form->{postal_invoice} ? '' : $customer_object->invoice_mail;
+ $config->send_email(0) if $::form->{postal_invoice};