Fixing deploy fail if cleanup email not set
Fixing deploy fail if cleanup email not set

shoaibali/deploynaut,antons-/deploynaut,shoaibali/deploynaut,madmatt/deploynaut,antons-/deploynaut,awangga/deploynaut,awangga/deploynaut,madmatt/deploynaut,jakedaleweb/deploynaut,jakedaleweb/deploynaut,silverstripe/deploynaut,madmatt/deploynaut,silverstripe/deploynaut,madmatt/deploynaut,silverstripe/deploynaut,jakedaleweb/deploynaut,shoaibali/deploynaut,awangga/deploynaut,awangga/deploynaut,shoaibali/deploynaut,antons-/deploynaut,antons-/deploynaut,jakedaleweb/deploynaut,silverstripe/deploynaut