rails controller using pony gem to send internal email

user_controller.rb

class UsersController < ApplicationController
  before_filter RubyCAS::Filter, :except => :cas_update_user
  before_filter :check_user, :except => :cas_update_user
  
  def promote
    error = "Please enter your name" if params[:name].blank?
    error = "Please enter your telephone number" if params[:telephone].blank?
    error = "Please enter a valid email address" unless params[:email].match(/[A-Za-z0-9._%+-]+@[A-Za-z0-9.-]+\.[A-Za-z]{2,4}/)
    
    if error.blank?
      Pony.mail(:to => Setting[:promote_advert_email_addresses], :from => 'donotreply@thestage.co.uk', :subject => 'The Stage Directory - Ad Promotion request', :body => "
      The Stage Directory - Ad promotion request
    
      The following user has requested information about promoting their ad:
    
      Name: #{params[:name]}
      Telephone: #{params[:telephone]}
      Email: #{params[:email]}
    
      To view their account details, visit this page: #{admin_user_url(@user)}
      ", :html_body => "
      <table width='100%' border='0' cellpadding='4' cellspacing='0'>
        <tr>
          <td height='50' colspan='4' bgcolor='#000000'><a href='http://www.thestage.co.uk'><img border='0' src='http://directory.thestage.co.uk/assets/stage_co_uk_black_logo.gif' alt='the stage ' width='176' height='26' longdesc='http://directory.thestage.co.uk' /></a></td>
        </tr>
        <tr>
          <td style='border-left: 1px #ccc solid;'>&nbsp;</td>
          <td colspan='2'><img src='http://directory.thestage.co.uk/assets/email_gifs/spacer_white15px.gif' alt=''/></td>
          <td style='border-right: 1px #ccc solid;'>&nbsp;</td>
        </tr>
        <tr>
          <td style='border-left: 1px #ccc solid;'>&nbsp;</td>
          <td colspan='2'><img src='http://directory.thestage.co.uk/assets/email_gifs/the-stage-directory.gif' alt='THE STAGE DIRECTORY' width='444' height='40' longdesc='http://directory.thestage.co.uk'></td>
          <td style='border-right: 1px #ccc solid;'>&nbsp;</td>
        </tr>
        <tr>
          <td style='border-left: 1px #ccc solid;'>&nbsp;</td>
          <td colspan='2' style='border-top: 1px #43b649 solid;'>
          	<font face='Verdana, Arial, Helvetica, sans-serif' color='#43B649' size='3'>
              	<a style='color:#43b649; text-decoration:none;' class='nav' href='http://directory.thestage.co.uk'>
                  	<strong>BROWSE SUPPLIERS &amp; SERVICES</strong>            </a>        </font>
              <font face='Verdana, Arial, Helvetica, sans-serif' color='#43B649' size='3'>
              	<a style='color:#43b649; text-decoration:none;' class='nav' href='http://directory.thestage.co.uk/adverts/select_type'>
              		<strong>&nbsp;&nbsp;CREATE AN AD</strong>            </a>        </font>    </td>
          <td style='border-right: 1px #ccc solid;'>&nbsp;</td>
        </tr>
        <tr>
          <td width='1%' style='border-left: 1px #ccc solid;'>&nbsp;</td>
          <td colspan='2' valign='top'>
          <!-- header ends -->
          <h1>The Stage Directory - Ad promotion request</h1>
            <p style='font-family:Helvetica Neue, Helvetica, Arial, sans-serif'><font size='3'>The following user has requested information about promoting their ad:</font></p>
            <ul>
            	<li style='color:#43b649'><font color='#000000' size='3' style='font-family:Helvetica Neue, Helvetica, Arial, sans-serif'>Name: #{params[:name]}</font></li>
            	<li style='color:#43b649'><font color='#000000' size='3' style='font-family:Helvetica Neue, Helvetica, Arial, sans-serif'>Telephone: #{params[:telephone]}</font></li>
            	<li style='color:#43b649'><font color='#000000' size='3' style='font-family:Helvetica Neue, Helvetica, Arial, sans-serif'>Email:
<font color='#43b649'>#{params[:email]}</font></font></li>
            </ul>
          <p style='font-family:Helvetica Neue, Helvetica, Arial, sans-serif'><a style='color:#43b649;' href='#{admin_user_url(@user)}'><font size='3'>Click here to view their account details</font></a></p>
          <!-- footer.html.erb starts -->
          </td>
          <td width='1%' style='border-right: 1px #ccc solid;'>&nbsp;</td>
        </tr>
        <tr>
          <td align='right' bgcolor='#FFFFFF' style='border-left: 1px solid #ccc;'>&nbsp;</td>
          <td bgcolor='#FFFFFF'><img src='http://directory.thestage.co.uk/assets/email_gifs/spacer_white15px.gif' alt=''/></td>
          <td align='right' bgcolor='#FFFFFF'>&nbsp;</td>
          <td bgcolor='#FFFFFF' align='right' style='border-right: 1px #ccc solid;'>&nbsp;</td>
        </tr>
        <tr>
          <td height='30' align='right' bgcolor='#F6F3EC' style='border-left: 1px solid #ccc; border-bottom: 1px solid #ccc'>&nbsp;</td>
          <td width='49%' height='30' align='left' bgcolor='#F6F3EC' style='border-bottom: 1px solid #ccc'>
          	<p>
              	<font face='Verdana, Arial, Helvetica, sans-serif' size='1'>
                  	Footer text and unsubscribe link goes here when we have it.        	</font>        </p>    </td>
          <td width='49%' align='right' bgcolor='#F6F3EC' style='border-bottom: 1px solid #ccc'><a href='http://www.facebook.com/TheStageEvents'><img border='0' src='http://directory.thestage.co.uk/assets/email_gifs/facebook-logo.gif' alt='facebook'/></a>&nbsp;&nbsp;<a href='https://twitter.com/#!/TheStage'><img border='0' src='http://directory.thestage.co.uk/assets/email_gifs/twitter-logo.gif' alt='twitter'/></a></td>
          <td height='30' bgcolor='#F6F3EC' align='right' style='border-right: 1px #ccc solid; border-bottom: 1px solid #ccc'>&nbsp;</td>
        </tr>
      </table>
      ")
      
      flash[:success] = "Thank you, an account manager will contact you within 2 working days."
    else
      flash[:error] = error
    end

    redirect_to dashboard_path
  end
  
  def check_user  # make sure user is logged in
    logged_in_user = User.find_by_username( session[:cas_user])
    @user = User.find(params[:id])
    redirect_to '/' if logged_in_user != @user
  end
  
  def cas_update_user
    user_details = HashWithIndifferentAccess.new(ActiveSupport::JSON.decode(params[:user]))[:user]
    api_key = 
    unless params['api_key'] == "pqXgEVGTnr1c5VxKgXhxJ0RkU7qZcdwV1SceuNSTXJY6OfilDthf9DlT05nPHfe"
      raise ActionController::RoutingError.new('Not Found')
    end
    user = User.find_by_username(user_details[:username])
    unless user.blank?
      unless user.update_attributes(:title => user_details[:title], :firstname => user_details[:firstname], :surname => user_details[:surname], :email => user_details[:email],
                              :company_name => user_details[:company_name], :phone => user_details[:phone])
      throw "could not update user #{user_details[:username]}"
      end
    end
    render :nothing => true
  end
end