Have you tried using <p> tags instead of breaks? Try this code:
Code:
<p>Hi {first_name},</p>
<p>Thank you for using our website to search homes for sale. Based on the homes that you have been viewing, I created a search for you. You can view them by clicking this link named "#body#". Additionally, this search will automatically email you all new listings that match this criteria. If you have any questions or if you would like for me to make adjustments to this search for you, please don't hesitate to call or email me. You can <a href="http://www.ryanwardrealestate.com/idx/control_panel.html"> log in to your control panel</a> anytime to view your search and your saved favorites.</p>
<p>Thank you,</p>
<p>Ryan Ward, Principal<br />
<strong>Phone:</strong> 404.630.3187<br />
<strong>Email:</strong> <a href="mailto:ryan@ryanwardrealestate.com">ryan@ryanwardrealestate.com</a></p>
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