Best to check both directions. (You to yahoo and yahoo to you) you can read headers on yahoo if you poke around.
Or am I being paranoid? I assume one direction uses the yahoo cert and the other direction uses your cert. Original Message From: Alice Wonder Sent: Friday, November 18, 2016 8:35 PM To: postfix-users@postfix.org Subject: Re: How to encrypt the mail content? On 11/18/2016 08:14 PM, vod vos wrote: > Yes, I had sent the messages to myself, so I found the problem. > > The header from yahoo mail server to my server shows: > > Message-ID: <1986254504.2695776.147946658...@mail.yahoo.com> > Subject: linoookk > MIME-Version: 1.0 > Content-Type: text/plain; charset=UTF-8 > Content-Transfer-Encoding: base64 > > The header from my server to yahoo mail server did not shows > "Content-Transfer-Encoding: base64", and just shows "cipher > ECDHE-RSA-AES128-GCM-SHA256". > > The mail log shows no errors. > > The log level is set to 1. > That means it was in fact encrypted when your server sent it to Yahoo.
