microram

I don't know if this helps anyone, but I copy/pasted the SAVED_CF_Key and SAVED_CF_Email from another working installation into my /etc/letsencrypt/config/account.conf file and now it works. It looked the same...

This fixed my issue: `acme.sh --set-default-ca --server letsencrypt`

`root@ip-172-26-15-187:~# ee shell example.com` `^_^[[email protected]:~/htdocs]$ php -r 'mail("[email protected]", "Hello Human", "Hello from EasyEngine!");'` `sendmail: RCPT TO: (451 4.3.0 : Temporary lookup failure)`

EE v4.0.9. Mail is always marked as spam. The default sender is **www-data** and the domain consists of the **container id number** pulled from the hostname. ``` root@ip-172-26-15-187:~# ee shell...