Index: mass_contact.module
===================================================================
--- mass_contact.module (revision 145)
+++ mass_contact.module (working copy)
@@ -938,6 +938,7 @@ function mass_contact_mail_page_submit($
             drupal_set_message(t('[Success] Send #!ccc: -e-mails', array('!ccc' => $ccc, '-e-mails' => $recipient_send)));
           }
           else {
+            drupal_set_message('[Error] Problem sending #!ccc: -e-mails', array('!ccc' => $ccc, '-e-mails' => $recipient_send));
             ++$send_error;
           }
 
@@ -972,6 +973,7 @@ function mass_contact_mail_page_submit($
           drupal_set_message(t('[Success] Send Remainder: -e-mails', array('-e-mails' => $recipient_send)));
         }
         else {
+          drupal_set_message('[Error] Problem sending #!ccc: -e-mails', array('!ccc' => $ccc, '-e-mails' => $recipient_send));
           ++$send_error;
         }
       }
@@ -1007,6 +1009,7 @@ function mass_contact_mail_page_submit($
         drupal_set_message(t('[Success] Send Once: -e-mails', array('-e-mails' => $recipientout)));
       }
       else {
+        drupal_set_message('[Error] Problem sending email: -e-mails', array('-e-mails' => $recipientout));
         ++$send_error;
       }
     }
@@ -1075,7 +1078,7 @@ function mass_contact_mail_page_submit($
       drupal_set_message(t('Message sent successfully to !total users: -e-mails', array('!total' => $total_recip, '-e-mails' => $recipientout)));
     }
     else {
-      drupal_set_message(t('!errors errors encountered sending message. Please check the logs and try again.', array('!errors' => $send_error)));
+      drupal_set_message(t('!errors errors encountered sending message. Please check the server mail logs and try again.', array('!errors' => $send_error)));
     }
   }