Heroku actionmailer how to
module Konkurranceportalen
  class Application < Rails::Application
    # Settings in config/environments/* take precedence over those specified here.
    # Application configuration should go into files in config/initializers
    #  all .rb files in that directory are automatically loaded.
    config.action_mailer.delivery_method = :smtp
    ActionMailer::Base.smtp_settings = {
  :address  => "smtp.mydomain.com",
  :port  => 25,
  :user_name  => "[email protected]",
  :password  => "mypass",
  :authentication  => :login
}
end
end

ActionMailer::Base.smtp_settings = {
  :address        => "smtp.sendgrid.net",
  :port           => "25",
  :authentication => :plain,
  :user_name      => ENV['SENDGRID_USERNAME'],
  :password       => ENV['SENDGRID_PASSWORD'],
  :domain         => ENV['SENDGRID_DOMAIN']