%html
  %head
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
    =# stylesheet_link_tag 'mailers/mailer'
    -# Include CSS inline
    %style= File.read(Rails.root.join('app/assets/stylesheets/mailers/mailer.css'))
  %body(leftmargin="0" marginwidth="0" topmargin="0" marginheight="0" offset="0")
    %center
      %table(cellpadding="0" cellspacing="0" border="0" width="100%")
        %tbody
          %tr
            %td.header
              = link_to image_tag(URI.join(root_url,"assets/images/logo.png").to_s, :alt => "Errbit"), root_url

          = yield

          %tr
            %td.footer
              Your loyal servant,
              = link_to 'Errbit', root_url


%html
  %head
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
    =# stylesheet_link_tag 'mailers/mailer'
    -# Include CSS inline
    %style= File.read(Rails.root.join('app/assets/stylesheets/mailers/mailer.css'))
  %body(leftmargin="0" marginwidth="0" topmargin="0" marginheight="0" offset="0")
    %center
      %table(cellpadding="0" cellspacing="0" border="0" width="100%")
        %tbody
          %tr
            %td.header
              = link_to image_tag(asset_path('images/logo.png'), :alt => "Errbit"), root_url

          = yield

          %tr
            %td.footer
              Your loyal servant,
              = link_to 'Errbit', root_url


Use asset pipeline logo in email
Use asset pipeline logo in email