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    <p>This has taken me the better part of 1-2 weeks to figure out, so hopefully this code will give you some idea about what to do. </p> <p>Here's my Lists controller where I generate the message to be sent to the mailer: </p> <pre><code>def messages @list = List.find(params[:id]) #@message = Message.new( :user_id =&gt; @list.user.id, :list_id =&gt; @list.id, #:subject =&gt; params[:subject], :body =&gt; params[:body] ) @message = Message.new(params[:message]) @contacts = @list.contacts respond_to do |format| if @list.save &amp;&amp; @message.save #Blaster is my mailer, and blast is the send method in the blaster.rb mailer Blaster.blast(@message, @contacts) format.html { redirect_to @list, notice: 'Message was saved.' } format.json { render json: @list, status: :created, location: @list } else format.html { redirect_to @list, notice: 'There was an error, try again'} format.json { render json: @list.errors, status: :unprocessable_entity } end end </code></pre> <p>end</p> <p>=========</p> <p>Here's my mailer - it's called blast.rb </p> <pre><code>def blast(message, contacts) # can't send without a message, and an array of contacts @message = message @contacts = contacts # with variables set, let's create the loop to do its magic @contacts.each do |contact| mail = mail( :to =&gt; "#{contact.email}", :from =&gt; "noreply@foo.org", :return_path =&gt; "noreply@foo.org", :subject =&gt; @message.subject, :body =&gt; @message.body #:template_path =&gt; 'blaster', #:template_name =&gt; 'blast' ) do |format| format.html { render 'blast.html.erb'} format.text { render 'blast.text.erb'} end mail.deliver end # contacts.each loop end #blast method </code></pre> <p>I'm pretty sure this code is sub-optimal and of poor quality, so caveat emptor, but perhaps you'll find something in here that'll help you solve your unique implementation. Hope it helps! </p> <p>D. </p>
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