submission: relay backend: Don't bother updating the protocol in proxy data.

Old SMTP clients cannot use the submission service, since these cannot perform
the required authentication.

diff --git a/src/submission/submission-backend-relay.c b/src/submission/submission-backend-relay.c
index f569bf6f118ec32339e5f7832762cbf91aa1d170..6db7318453cc0dc77a92a1bb53979ff07a67b2b1 100644 (file)
--- a/src/submission/submission-backend-relay.c
+++ b/src/submission/submission-backend-relay.c
@@ -239,8 +239,6 @@ relay_cmd_helo_update_xclient(struct submission_backend_relay *backend,
 
        i_zero(&proxy_data);
        proxy_data.helo = data->helo.domain;
-       proxy_data.proto = (data->helo.old_smtp ?
-               SMTP_PROXY_PROTOCOL_SMTP : SMTP_PROXY_PROTOCOL_ESMTP);
        smtp_client_connection_update_proxy_data(backend->conn, &proxy_data);
 
        smtp_client_connection_send_xclient(backend->conn);