1 files changed, 1 insertions, 0 deletions

diff --git a/hosts/surtr/email/default.nix b/hosts/surtr/email/default.nix
index f1fd49b0..ce8fb9f1 100644
--- a/hosts/surtr/email/default.nix
+++ b/hosts/surtr/email/default.nix
@@ -148,6 +148,7 @@ with lib;
         Syslog true
         MTACommand ${config.security.wrapperDir}/sendmail
         LogResults true
+        SignatureAlgorithm ed25519-sha256
       '';
     };