Update to not send mails in case nothing changes

Future TODO: Send update if expiry is close (< 30 days)

sysadmin/letsencrypt_mail.py

@@ -44,6 +44,7 @@ def main():
         elif "unexpected error occurred" in line:
             state = State.error
 
+    if state is not State.no_action:
         text = "\n".join(text)
         subject = SUBJECT.format(str(state))
         message = drymail.Message(
@@ -54,8 +55,6 @@ def main():
             text=text
         )
 
-
-
     client = drymail.SMTPMailer(
         host='localhost')