diff --git a/etc/mox/config/domains.conf b/etc/mox/config/domains.conf
index bc09c10..9a83d2c 100644
--- a/etc/mox/config/domains.conf
+++ b/etc/mox/config/domains.conf
@@ -1,6 +1,16 @@
 Domains:
 	fogtype.com:
 		LocalpartCatchallSeparator: +
+		DKIM:
+			Selectors:
+				2023a:
+					Expiration: 72h
+					PrivateKeyFile: dkim/2023a._domainkey.fogtype.com.key.pkcs8.pem
+				2023b:
+					Expiration: 72h
+					PrivateKeyFile: dkim/2023b._domainkey.fogtype.com.key.pkcs8.pem
+			Sign:
+				- 2023a
 		DMARC:
 			Localpart: dmarc-reports
 			Account: nebel