...
#include <syslog.h>
...
int cik_ir_rcpt = 0;
char kas_ir_from[100]="\0";
...
void smtp_mail(arg) char *arg;
{
  if (!addrparse(arg)) { err_syntax(); return; }
  flagbarf = bmfcheck();
  seenmail = 1;
  if (!stralloc_copys(&rcptto,"")) die_nomem();
  if (!stralloc_copys(&mailfrom,addr.s)) die_nomem();
  strncpy(kas_ir_from, mailfrom, sizeof(kas_ir_from));
  if (!stralloc_0(&mailfrom)) die_nomem();
  out("250 ok\r\n");
}
...
void smtp_rcpt(arg) char *arg; {
  if (!seenmail) { err_wantmail(); return; }
  if (!addrparse(arg)) { err_syntax(); return; }
  if (flagbarf) { err_bmf(); return; }
  if (relayclient) {
    --addr.len;
    if (!stralloc_cats(&addr,relayclient)) die_nomem();
    if (!stralloc_0(&addr)) die_nomem();
  }
  else
    if (!addrallowed()) { err_nogateway(); return; }
  if (!stralloc_cats(&rcptto,"T")) die_nomem();
  if (!stralloc_cats(&rcptto,addr.s)) die_nomem();
  if (!stralloc_0(&rcptto)) die_nomem();
  cik_ir_rcpt = cik_ir_rcpt + 1;
  out("250 ok\r\n");
}
...
void acceptmessage(qp) unsigned long qp;
{
  datetime_sec when;
  when = now();
  out("250 ok ");
  accept_buf[fmt_ulong(accept_buf,(unsigned long) when)] = 0;
  out(accept_buf);
  out(" qp ");
  accept_buf[fmt_ulong(accept_buf,qp)] = 0;
  syslog(LOG_LOCAL1 | LOG_WARNING, "%s | %d | %s", remoteip, cik_ir_rcpt, kas_ir_from);
  out(accept_buf);
  out("\r\n");
}