template correction

.env.template

@@ -641,9 +641,9 @@
 # SMTP_EMBED_IMAGES=true
 
 ## Dkim signature (type:privatekey). |> Private must be base64-encoded ed key or PKCS#1 format RSA key.
-# dkim_signing_key=rsa_key.pem
+# dkim_signing_key="b3y5uWvqVte+ZThKnUGN97do2zsygO3QMWH85DBoDmg="
 ## Dkim algo (true if RSA else ed25519)
-# dkim_use_rsa=true
+# dkim_use_rsa=false
 ## Dkim selector
 # dkim_selector="dkim_key"
 ## Dkim domain