Zohoを使う場合のActionMailer設定
ぐぐったら載ってたのでメモ。
Rails ActionMailer configuration for Zoho - Stack Overflow
ActionMailer::Base.delivery_method = :smtp ActionMailer::Base.smtp_settings = { :address => "smtp.zoho.com", :port => 465, :user_name => 'someone@somewhere.com', :password => 'password', :authentication => :login, :ssl => true, :tls => true, :enable_starttls_auto => true }