diff --git a/email_client.py b/email_client.py
index e045486..e36430e 100644
--- a/email_client.py
+++ b/email_client.py
@@ -257,7 +257,8 @@ def process_registrations(M):
         return participations
 
     msgs = msgs[0].decode('ascii').split()
-    print("\tFound %i registration mails" % len(msgs), file=log_file)
+    if len(msgs) > 0:
+        print("\tFound %i new registration mails" % len(msgs), file=log_file)
     for msg_index in msgs:
         participations.append(process_message(M, msg_index))
     return participations
@@ -335,4 +336,4 @@ if __name__ == "__main__":
     with open('etho_registration.log', 'a', buffering=1) as log_file:
         while True:
             check_for_mails()
-            time.sleep(60)
+            time.sleep(120)