{
s = string_append(s, &size, &sptr, 2, US" A=", sender_host_authenticated);
if (authenticated_id != NULL)
{
s = string_append(s, &size, &sptr, 2, US":", authenticated_id);
{
s = string_append(s, &size, &sptr, 2, US" A=", sender_host_authenticated);
if (authenticated_id != NULL)
{
s = string_append(s, &size, &sptr, 2, US":", authenticated_id);