diff --git a/mail/libmilter/Makefile b/mail/libmilter/Makefile
index 25b8317d2207..543c292bec2c 100644
--- a/mail/libmilter/Makefile
+++ b/mail/libmilter/Makefile
@@ -1,80 +1,80 @@
 PORTNAME=	libmilter
-PORTVERSION=	8.17.2
+PORTVERSION=	8.18.1
 PORTREVISION=	0
 CATEGORIES=	mail
 MASTER_SITES=	ftp://ftp.sendmail.org/pub/sendmail/
 DISTNAME=	sendmail.${PORTVERSION}
 
 MAINTAINER=	dinoex@FreeBSD.org
 COMMENT=	Library providing Sendmail Mail Filter API
 WWW=		https://www.sendmail.com/sm/open_source/milter/
 
 LICENSE=	Sendmail
 LICENSE_NAME=	Sendmail License
 LICENSE_FILE=	${WRKSRC}/LICENSE
 LICENSE_PERMS=	dist-mirror dist-sell pkg-mirror pkg-sell auto-accept
 
 MILTER_SOVER?=	7
 
 OPTIONS_DEFINE?=	IPV6 MILTER_SHARED MILTER_POOL DOCS
 OPTIONS_DEFAULT?=	MILTER_SHARED MILTER_POOL
 NO_OPTIONS_SORT=yes
 OPTIONS_SUB=	yes
 MILTER_SHARED_DESC=	Build shared libmilter
 MILTER_POOL_DESC=	Enable milter thread pools
 
 WRKSRC=		${WRKDIR}/sendmail-${PORTVERSION}
 WCONF=		${WRKSRC}/devtools/Site
 SITE=		${FILESDIR}/site.config.m4
 
 IPV6_VARS=		SITE+=${FILESDIR}/site.config.m4.ipv6
 MILTER_POOL_VARS=	SITE+=${FILESDIR}/site.config.m4.pool
 MILTER_SHARED_MAKE_ENV=	MILTER_SOVER=${MILTER_SOVER}
 MILTER_SHARED_PLIST_SUB=MILTER_SOVER=${MILTER_SOVER}
 MILTER_SHARED_USE=	LDCONFIG=yes
 
 post-patch-MILTER_SHARED-on:
 	@${CP} -pR ${WRKSRC}/libmilter ${WRKSRC}/libsharedmilter
 	${CP} ${FILESDIR}/sharedlibrary.m4 \
 		${WRKSRC}/devtools/M4/UNIX/sharedlibrary.m4
 	${REINPLACE_CMD} -e 's=`library=`sharedlibrary=' \
 		${WRKSRC}/libsharedmilter/Makefile.m4
 
 do-configure:
 	${REINPLACE_CMD} -e "s|\`-O'|\`${CFLAGS}'|" \
 		-e 's|%%CC%%|${CC}|' -e 's|%%LD%%|${LD}|' \
 		${WRKSRC}/devtools/OS/FreeBSD
 	${SED} -e "s=%%PREFIX%%=${PREFIX}=g" \
 		-e "s=%%LOCALBASE%%=${LOCALBASE}=g" \
 		${SITE} > ${WCONF}/site.config.m4
 
 do-build:
 	(cd ${BUILD_WRKSRC}/libmilter; ${SETENV} ${MAKE_ENV} ${MAKE} \
 		${MAKE_FLAGS} ${MAKEFILE} ${MAKE_ARGS} ${ALL_TARGET})
 
 do-build-MILTER_SHARED-on:
 	(cd ${BUILD_WRKSRC}/libsharedmilter; ${SETENV} ${MAKE_ENV} \
 		${MAKE} ${MAKE_FLAGS} ${MAKEFILE} ${MAKE_ARGS} ${ALL_TARGET})
 
 do-install:
 	${MKDIR} ${STAGEDIR}${PREFIX}/include/libmilter
 	${INSTALL_DATA} ${WRKSRC}/include/libmilter/mfapi.h \
 		${WRKSRC}/include/libmilter/mfdef.h \
 		${STAGEDIR}${PREFIX}/include/libmilter/
 	${INSTALL_DATA} \
 		${WRKSRC}/obj.`${WRKSRC}/devtools/bin/Build -A`/libmilter/libmilter.a \
 		${STAGEDIR}${PREFIX}/lib/
 
 post-install-MILTER_SHARED-on:
 	${INSTALL_LIB} \
 		${WRKSRC}/obj.`${WRKSRC}/devtools/bin/Build -A`/libsharedmilter/libmilter.so \
 		${STAGEDIR}${PREFIX}/lib/libmilter.so.${MILTER_SOVER}
 	${LN} -sf libmilter.so.${MILTER_SOVER} \
 		${STAGEDIR}${PREFIX}/lib/libmilter.so
 
 post-install-DOCS-on:
 	${MKDIR} ${STAGEDIR}${DOCSDIR}
 	${INSTALL_DATA} ${WRKSRC}/libmilter/README ${STAGEDIR}${DOCSDIR}/
 	cd ${WRKSRC}/libmilter/docs && ${COPYTREE_SHARE} . ${STAGEDIR}${DOCSDIR}/
 
 .include <bsd.port.mk>
diff --git a/mail/libmilter/distinfo b/mail/libmilter/distinfo
index 9f484ae1d932..2d854b95ee07 100644
--- a/mail/libmilter/distinfo
+++ b/mail/libmilter/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1686244515
-SHA256 (sendmail.8.17.2.tar.gz) = 90f5ae74c35a84808861933ba094201b901b70c6b2903684dcf39bdae8a5a1a2
-SIZE (sendmail.8.17.2.tar.gz) = 2313458
+TIMESTAMP = 1708966401
+SHA256 (sendmail.8.18.1.tar.gz) = cbf1f309c38e4806f7cf3ead24260f17d1fe8fb63256d13edb3cdd1a098f0770
+SIZE (sendmail.8.18.1.tar.gz) = 2401566