diff --git a/src/email_report/email_client.py b/src/email_report/email_client.py
index 25596717..38eb6e3d 100644
--- a/src/email_report/email_client.py
+++ b/src/email_report/email_client.py
@@ -34,9 +34,10 @@ def __init__(self):
 
     @staticmethod
     def create_email_subject(target):
-        email_info = '[%s][%s]Iris Test Report %s' % (
-            target.target_name+" "+str(target.values['fx_version']) if target.target_name == 'Firefox'
-            else target.target_name, OSHelper.get_os_version().capitalize(), date.today())
+        os_version = OSHelper.get_os_version().capitalize()
+        date_today = date.today()
+        email_info = '[{}][{}]Iris Test Report {}'.format('{} {}'.format(target.target_name, target.values['fx_version']) if target.target_name == 'Firefox' 
+            else target.target_name, os_version, date_today)
         return email_info
 
     @staticmethod
@@ -50,18 +51,22 @@ def get_file_attachment():
                                   filename=os.path.basename(test_report_file))
             return attachment
         else:
-            raise Exception('File %s is not present in path' % test_report_file)
+            raise Exception('File {} is not present in path'.format(test_report_file))
 
     def send_email_report(self, target: str, test_status: str, repo_details: str):
         email = MIMEMultipart()
         body_message = ""
         if isinstance(repo_details, dict):
-            body_message = MIMEText(
-                ''' Repo_details:\n ''' + """Branch_name:""" + repo_details.get(
-                    'iris_branch')
-                + " \n " + '''Branch_head: ''' + repo_details.get(
-                    'iris_branch_head') + "\n\n" + '''Test_Run_Details: ''' + test_status +
-                ''' \nNote: To see the complete run output, please check the attachment.''')
+            body_message = MIMEText((
+                ' Repo_details:\n'
+                ' Branch_name: {}\n'
+                ' Branch_head: {}\n'
+                ' Test_Run_Details: {}\n'
+                ' Note: To see the complete run output, please check the attachment.'.format(
+                    repo_details.get('iris_branch'), 
+                    repo_details.get('iris_branch_head'), 
+                    test_status)
+                )) 
         else:
             raise EmailError("Invalid Body Message")
 
@@ -89,7 +94,7 @@ def send_email_report(self, target: str, test_status: str, repo_details: str):
                 raise EmailError("Email was not sent. Please check for iris_log.log file.")
             else:
                 server.quit()
-                logger.info('Email successfully sent to %s' % self.targets)
+                logger.info('Email successfully sent to {}'.format(self.targets))
 
 
 def submit_email_report(target, result):