diff --git a/states/email/exim4/conf.d/transport/32_srs_remote_smtp_smarthost b/states/email/exim4/conf.d/transport/32_srs_remote_smtp_smarthost
index 283ee83..4ed7d68 100644
--- a/states/email/exim4/conf.d/transport/32_srs_remote_smtp_smarthost
+++ b/states/email/exim4/conf.d/transport/32_srs_remote_smtp_smarthost
@@ -37,6 +37,27 @@ remote_forwarded_smtp_smarthost:
 .ifdef REMOTE_SMTP_HELO_DATA
   helo_data=REMOTE_SMTP_HELO_DATA
 .endif
+.ifdef DKIM_DOMAIN
+dkim_domain = DKIM_DOMAIN
+.endif
+.ifdef DKIM_SELECTOR
+dkim_selector = DKIM_SELECTOR
+.endif
+.ifdef DKIM_PRIVATE_KEY
+dkim_private_key = DKIM_PRIVATE_KEY
+.endif
+.ifdef DKIM_CANON
+dkim_canon = DKIM_CANON
+.endif
+.ifdef DKIM_STRICT
+dkim_strict = DKIM_STRICT
+.endif
+.ifdef DKIM_SIGN_HEADERS
+dkim_sign_headers = DKIM_SIGN_HEADERS
+.endif
+.ifdef DKIM_TIMESTAMPS
+dkim_timestamps = DKIM_TIMESTAMPS
+.endif
 .ifdef TLS_DH_MIN_BITS
 tls_dh_min_bits = TLS_DH_MIN_BITS
 .endif