authres_iprev(gstring * g)
{
if (sender_host_name)
- return string_append(g, 3, US";\n\tiprev=pass (", sender_host_name, US")");
+ return string_append(g, sender_host_address ? 5 : 3,
+ US";\n\tiprev=pass (", sender_host_name, US")",
+ US" smtp.client-ip=", sender_host_address);
if (host_lookup_deferred)
return string_catn(g, US";\n\tiprev=temperror", 19);
if (host_lookup_failed)