diff --git a/app/assets/images/default_mailing.jpg b/app/assets/images/default_mailing.jpg
new file mode 100644
index 000000000..634a535f4
Binary files /dev/null and b/app/assets/images/default_mailing.jpg differ
diff --git a/app/views/dashboard/mailer/forward.html.erb b/app/views/dashboard/mailer/forward.html.erb
index 517dbc61f..b3f5ee999 100644
--- a/app/views/dashboard/mailer/forward.html.erb
+++ b/app/views/dashboard/mailer/forward.html.erb
@@ -3,6 +3,7 @@
   <h2><%= t("dashboard.mailer.forward.subtitle") %></h2>
 </header>
 <%= image_tag @proposal.image.attachment.url(:large), class: 'proposal-image' if @proposal.image.present? %>
+<%= image_tag 'default_mailing.jpg', class: 'proposal-image' unless @proposal.image.present? %>
 <div class="mail-body">
   <%== t("dashboard.mailer.forward.introduction") %>
   <%= link_to t("dashboard.mailer.forward.support_it"), proposal_url(@proposal), class: 'support-link' %>
diff --git a/app/views/dashboard/mailing/index.html.erb b/app/views/dashboard/mailing/index.html.erb
index 6fe0833ac..e9b3780f7 100644
--- a/app/views/dashboard/mailing/index.html.erb
+++ b/app/views/dashboard/mailing/index.html.erb
@@ -6,6 +6,7 @@
       <h2><%= t("dashboard.mailer.forward.subtitle") %></h2>
     </div>
     <%= image_tag proposal.image.attachment.url(:large), class: 'proposal-image' if proposal.image.present? %>
+    <%= image_tag 'default_mailing.jpg', class: 'proposal-image' unless proposal.image.present? %>
     <div class="mail-body">
       <%== t("dashboard.mailer.forward.introduction") %>
       <%= link_to t("dashboard.mailer.forward.support_it"), proposal_url(@proposal), class: 'support-link' %>