spfmilter 설치시 에러가 나는데요.

[adaylily]

spfmilter을 설치하다가 에러가 났습니다.
1. 선수 설치 여부
운영체제 : CentOS release 5.2 (Final)
빌드버전 : 2.6.18-92.1.1.el5 x86_64 GNU/Linux


sendmail-devel 설치 완료
libspf2 설치 완료

[root@spfmilter-0.97]# make
spfmilter.c
spfmilter.c: In function 'lib_init':
spfmilter.c:2452: error: 'spf_response_t' undeclared (first use in this function)
spfmilter.c:2452: error: (Each undeclared identifier is reported only once
spfmilter.c:2452: error: for each function it appears in.)
spfmilter.c:2452: error: 'lp_response' undeclared (first use in this function)
spfmilter.c:2474: error: 'ex_response' undeclared (first use in this function)
spfmilter.c: In function 'lib_init_connection_data':
spfmilter.c:2539: error: 'spf_request_t' undeclared (first use in this function)
spfmilter.c:2539: error: expected expression before ')' token
spfmilter.c:2544: error: 'spf_response_t' undeclared (first use in this function)
spfmilter.c:2544: error: expected expression before ')' token
spfmilter.c: In function 'lib_set_ipv6':
spfmilter.c:2570: error: 'ipv4_str' undeclared (first use in this function)
spfmilter.c: In function 'lib_fini_connection_data':
spfmilter.c:2655: error: 'spf_request_t' undeclared (first use in this function)
spfmilter.c:2655: error: expected expression before ')' token
spfmilter.c:2657: error: 'spf_response_t' undeclared (first use in this function)
spfmilter.c:2657: error: expected expression before ')' token
make: *** [spfmilter.o] 오류 1

빌드시 에러가 납니다.
혹시 SPF 필터링을 위한 별도의 프로그램이 있는지 기술지원이 가능한지 문의드립니다.

[손님]