# documentation: https://rspamd.com/doc/modules/dkim_signing.html enabled = true; sign_authenticated = true; sign_local = false; try_fallback = false; use_domain = "header"; use_redis = false; # don't change unless Redis also provides the DKIM keys use_esld = true; allow_username_mismatch = true; check_pubkey = true; # you want to use this in the beginning domain { saltaire.com.au { path = "/tmp/docker-mailserver/rspamd/dkim/rsa-2048-mail-saltaire.com.au.private.txt"; selector = "mail"; } }