diff --git a/cmd/form2mail/.gitignore b/cmd/form2mail/.gitignore
index b5a38fe..1a8843b 100644
--- a/cmd/form2mail/.gitignore
+++ b/cmd/form2mail/.gitignore
@@ -1 +1,2 @@
 /form2mail
+/form2mail-*
diff --git a/net/formmailer/formmailer.go b/net/formmailer/formmailer.go
index 05c4c1e..f610046 100644
--- a/net/formmailer/formmailer.go
+++ b/net/formmailer/formmailer.go
@@ -347,6 +347,7 @@ func (fm *FormMailer) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 		http.Error(w, "failed to send — please try again later", http.StatusInternalServerError)
 		return
 	}
+	log.Printf("contact form: sent ip=%s from=%q to=%s", ipStr, email, strings.Join(fm.SMTPTo, ","))
 
 	w.Header().Set("Content-Type", fm.contentType())
 	_, _ = w.Write(fm.successBody())