diff --git a/templates/dovecot/dovecot.conf.j2 b/templates/dovecot/dovecot.conf.j2
index 5c7b490..b9dc772 100644
--- a/templates/dovecot/dovecot.conf.j2
+++ b/templates/dovecot/dovecot.conf.j2
@@ -177,6 +177,12 @@ metric mail_deliveries {
   filter = event=mail_delivery_finished
 }
 
+event_exporter log_json {
+  format = json
+  transport = log
+  format_args = time-rfc3339
+}
+
 # Postfix delivers incoming mails via lda (transport "dovecot")
 lda_mailbox_autocreate = yes
 protocol lda {