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-rw-r--r--doc/doc-docbook/spec.xfpt5
1 files changed, 5 insertions, 0 deletions
diff --git a/doc/doc-docbook/spec.xfpt b/doc/doc-docbook/spec.xfpt
index d8f1573c9..a35a8bf26 100644
--- a/doc/doc-docbook/spec.xfpt
+++ b/doc/doc-docbook/spec.xfpt
@@ -39067,6 +39067,11 @@ To produce the required public key value for a DNS record:
openssl pkey -outform DER -pubout -in dkim_ed25519.private | tail -c +13 | base64
certtool --load_privkey=dkim_ed25519.private --pubkey_info --outder | tail -c +13 | base64
.endd
+
+Note that the format
+of Ed25519 keys in DNS has not yet been decided; this release supports
+both of the leading candidates at this time, a future release will
+probably drop support for whichever proposal loses
.wen
.option dkim_hash smtp string&!! sha256