uschar *retry_message_key = NULL;
uschar *serialize_key = NULL;
+ /* Deal slightly better with a possible Linux kernel bug that results
+ in intermittent TFO-conn fails deep into the TCP flow. Bug 2907 tracks.
+ Hack: Clear TFO option for any further hosts on this tpt run. */
+
+ if (total_hosts_tried > 0)
+ {
+ DEBUG(D_transport|D_acl|D_v)
+ debug_printf("Clearing TFO as not first host for message\n");
+ ob->hosts_try_fastopen = US"";
+ }
+
/* Default next host is next host. :-) But this can vary if the
hosts_max_try limit is hit (see below). It may also be reset if a host
address is looked up here (in case the host was multihomed). */