Receiving all Emails from Letsencrypt without TLS

when I’m receiving emails from Letsencrypt about cert expiring or password changes or whatever (seemed to by the same for all emails) these are not TLS encrypted.
I’m using for my TLS connections certs from Letsencrypt and the same should be done by Letsencrypt itself :slight_smile:
So lets encrypt but not only https. Please also encrypt the email traffic.

The most recent one I got from Let’s Encrypt was delivered to my mail host using TLS:

Received: from ( [])
        by with ESMTPS id a2si15703383ywa.81.2019.
        for <my@email.invalid>
        (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128);
        Sun, 28 Apr 2019 22:55:21 -0700 (PDT)

same on a different email I have:

Received: from ( [])
  (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits))
  (No client certificate requested)
  by (Postfix) with ESMTPS
  for <my@email.invalid>; Wed, 15 Jul 2020 05:00:31 -0400 (EDT)
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Ah ok. Your right. Was my mistake to check if TLS is running or not.
version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256
Need to check my code.

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