discourse/app/views/email/notification.html.erb

<div id='main' class=<%= classes %>>

  <div class='header-instructions'>%{header_instructions}</div>

  <%= render partial: 'email/post', locals: { post: post, use_excerpt: false } %>

  <% if in_reply_to_post.present? || context_posts.present? %>
    <div class='footer'>%{respond_instructions}</div>
    <hr>
  <% end %>

  <% if in_reply_to_post.present? %>
    <h4 class='previous-discussion'><%= t "user_notifications.in_reply_to" %></h4>
    <%= render partial: 'email/post', locals: { post: in_reply_to_post, use_excerpt: true} %>
  <% end %>

  <% if context_posts.present? %>
    <h4 class='previous-discussion'><%= t "user_notifications.previous_discussion" %></h4>
    <% context_posts.each do |p| %>
      <%= render partial: 'email/post', locals: { post: p, use_excerpt: false } %>
    <% end %>
  <% end %>

  <hr>

  <% if reached_limit %>
    <div class='footer'><%= t "user_notifications.reached_limit", count: SiteSetting.max_emails_per_day_per_user %></div>
  <% end %>
  <div class='footer'>%{respond_instructions}</div>
  <div class='footer'>%{unsubscribe_link}%{unsubscribe_via_email_link}</div>

</div>

<div itemscope itemtype="http://schema.org/EmailMessage" style="display:none">
  <div itemprop="action" itemscope itemtype="http://schema.org/ViewAction">
    <link itemprop="url" href="<%= Discourse.base_url %><%= post.url  %>" />
    <meta itemprop="name" content="<%= t 'read_full_topic' %>"/>
  </div>
</div>