How to catch error exception in ActionMailer

Question

The problem is how can I catch exception in delivering mail by ActionMailer. For me it sounds impossible, because in this case ActionMailer should sent mail to mailserver, a

Answer 1

I'm using something like this in the controller:

 if @user.save
      begin
      UserMailer.welcome_email(@user).deliver
      flash[:success] = "#{@user.name} created"
      rescue Net::SMTPAuthenticationError, Net::SMTPServerBusy, Net::SMTPSyntaxError, Net::SMTPFatalError, Net::SMTPUnknownError => e
        flash[:success] = "Utente #{@user.name} creato. Problems sending mail"
      end
      redirect_to "/"