--- ../../sqmail-4.1.18d/src/spfdnsip.c	2022-12-24 11:30:43.714404000 +0100
+++ ./spfdnsip.c	2023-09-24 11:09:22.698969000 +0200
@@ -387,12 +387,12 @@
 int spf_exists(char *spfspec,char *prefix)
 {
   stralloc sa = {0};
-  ipalloc ia = {0};
+  stralloc ip = {0};
 
   if (!stralloc_copys(&sa,spfspec)) return SPF_NOMEM;
   if (!spf_info("MExists=",spfspec)) return SPF_NOMEM;
 
-  switch (dns_ip(&ia,&sa)) {
+  switch (dns_ip4(&ip,&sa)) {
     case DNS_MEM: return SPF_NOMEM;
     case DNS_ERR: return SPF_DNSSOFT; 
     case 0: return SPF_OK;