Merge Master Bugfix back to Development

src/main/java/at/ac/uibk/gitsearch/service/MailService.java

@@ -124,7 +124,7 @@ public class MailService {
             javaMailSender.send(mimeMessage);
             log.debug("Sent email to User '{}'", to);
             return true;
-        } catch (MailException | MessagingException e) {
+        } catch (Exception e) {
             log.warn("Email could not be sent to user '{}'", to, e);
             return false;
         }