class Mailer < ActionMailer::Base def letter recipients 'original.to@example.com' cc 'original.cc@example.com' bcc 'original.bcc@example.com' subject 'Hello Universe!' end def html_letter recipients 'original.to@example.com' cc 'original.cc@example.com' bcc 'original.bcc@example.com' subject 'Hello Universe!' content_type "text/html" end end