ActionMailerでサーバの設定方法
ActionMailer::Base.smtp_settings = { :address => 'smtp server', :port => 25, :user_name => 'username', :password => 'password', :authentication => :plain }
ActionMailer::Base.smtp_settings = { :address => 'smtp server', :port => 25, :user_name => 'username', :password => 'password', :authentication => :plain }