app/mailers/application_mailer.rb
class ApplicationMailer < ActionMailer::Base
default from: 'Stichting petities.nl <webmaster@petities.nl>'
layout 'mailer'
before_action :add_return_path
private
# Return-Path will be used as envelope sender and will receive bounces.
def add_return_path
headers['Return-Path'] = 'bounces@petities.nl'
end
end