diff --git a/mail-filter/libmilter/Manifest b/mail-filter/libmilter/Manifest
index fec631b5172e1..493d582327b7c 100644
--- a/mail-filter/libmilter/Manifest
+++ b/mail-filter/libmilter/Manifest
@@ -1,4 +1,3 @@
-DIST sendmail.8.17.1.9.tar.gz 2345302 BLAKE2B 378f2f98ffff6457c49f934228964e792acec6f33fbabd89a8712f09f1dc7afc951b7c984a397aa7dd3773d86bdf57a946ea9ac54ae426bc0b8ea4c040e2ad4a SHA512 ad8198b12bdc0037de5b64b2504bd5e0a42bf054274a4834163a7c46953b9aec23d52d58063cc6b925d90199973608f35edeb40128671ae32889f4558e5c0d4b
 DIST sendmail.8.18.1.tar.gz 2401566 BLAKE2B 3afa36073fd611c7fdb43ef0ab9f02d5fb8ae388e9471bdc7275c6c9dcee0a654f46ddef505b70e978cb1b818b0da375250678e501676d8bace534d59ee40d90 SHA512 9ce713b44439d4de6faa9e3cdfa2226b44b4fbeb352a5f81584c062570e9472da244158287e489aabe258d28fe54ca4964565c7b0adc7e1763d212be42f98061
 DIST sendmail.8.18.1.tar.gz.sig 543 BLAKE2B f5f8ffaee2b4380babb033257aa30a3ade3686f3ae3dc4ced3beb25698c1917489e05456cf6b3cfcf3f0a8a1725ac42a6ce1db317939f944012e994672f6c22d SHA512 a1b3fc2278061c220ca36b954e333867a187b52c32ecd10793a12c1c90c0466bc3f1e6f76ca3aeaaf02e14f71f8cef418f5291557461b61509ed255c55c6ef47
 DIST sendmail.8.18.2.tar.gz 2372458 BLAKE2B a291006fd498d61b8fe19eb02cdeb92f83cef68b5c3db0c8b6479edb8e4722ed2d2ae03cf39553c0631224a1dfa00754cf4ea32bb7bc762ad8152ccaebe606dc SHA512 55515220ea84db4b56b8154efbf21aeb7161943c92bd63527cfc20169ea566e299cc289f0a6e160dc5637f656bdc451707003750d4b42a7894d40f35f51f6040
diff --git a/mail-filter/libmilter/libmilter-1.0.2_p3-r2.ebuild b/mail-filter/libmilter/libmilter-1.0.2_p3-r2.ebuild
deleted file mode 100644
index a0df2971ce8b7..0000000000000
--- a/mail-filter/libmilter/libmilter-1.0.2_p3-r2.ebuild
+++ /dev/null
@@ -1,134 +0,0 @@
-# Copyright 1999-2025 Gentoo Authors
-# Distributed under the terms of the GNU General Public License v2
-
-EAPI=8
-
-# Note: please bump this together with mail-mta/sendmail and app-shells/smrsh
-
-inherit toolchain-funcs
-
-# This library is part of sendmail, but it does not share the version number with it.
-# In order to find the right libmilter version number, check SMFI_VERSION definition
-# that can be found in ${S}/include/libmilter/mfapi.h (see also SM_LM_VRS_* defines).
-# For example, version 1.0.1 has a SMFI_VERSION of 0x01000001.
-#
-# See check in src_prepare too.
-SENDMAIL_VER=8.17.1.9
-
-DESCRIPTION="The Sendmail Filter API (Milter)"
-HOMEPAGE="https://www.proofpoint.com/us/products/email-protection/open-source-email-solution"
-if [[ -n $(ver_cut 4 ${SENDMAIL_VER}) ]] ; then
-	# Snapshots have an extra version component (e.g. 8.17.1 vs 8.17.1.9)
-	SRC_URI="https://ftp.sendmail.org/snapshots/sendmail.${SENDMAIL_VER}.tar.gz"
-fi
-SRC_URI+=" https://ftp.sendmail.org/sendmail.${SENDMAIL_VER}.tar.gz"
-SRC_URI+=" https://ftp.sendmail.org/past-releases/sendmail.${SENDMAIL_VER}.tar.gz"
-S="${WORKDIR}/sendmail-${SENDMAIL_VER}"
-
-LICENSE="Sendmail"
-# We increment _pN when a new sendmail tarball comes out and change the actual
-# "main version" (1.0.2 at time of writing) when the version
-# of libmilter included in the tarball changes.
-# We used to use $(ver_cut 1-3) here (assuming ABI stability between sendmail
-# versions) but that doesn't seem to apply for sendmail snapshots.
-SLOT="0/${PV}"
-KEYWORDS="~alpha amd64 arm arm64 ~hppa ~mips ppc ppc64 ~riscv ~s390 ~sparc x86"
-IUSE="ipv6 poll"
-
-RDEPEND="!<mail-mta/sendmail-8.16.1"
-BDEPEND="sys-devel/m4"
-
-# build system patch copied from sendmail ebuild
-PATCHES=(
-	"${FILESDIR}"/sendmail-8.16.1-build-system.patch
-	"${FILESDIR}"/${PN}-sharedlib.patch
-)
-
-src_prepare() {
-	default
-
-	extract_version_from_source() {
-		# Extract "#  define SMFI_VERSION  0x01000002" from include/libmilter/mfapi.h
-		local actual_libmilter_ver=$(grep -o -E -m 1 "0[xX][0-9a-fA-F]+" include/libmilter/mfapi.h)
-
-		# SM_LM_VRS_MAJOR(v)      (((v) & 0x7f000000) >> 24)
-		local actual_libmilter_ver_major=$(((actual_libmilter_ver & 0x7f000000) >> 24))
-
-		# SM_LM_VRS_MINOR(v)      (((v) & 0x007fff00) >> 8)
-		local actual_libmilter_ver_minor=$(((actual_libmilter_ver & 0x007fff00) >> 8))
-
-		# SM_LM_VRS_PLVL(v)       ((v) & 0x0000007f)
-		local actual_libmilter_ver_plvl=$((actual_libmilter_ver & 0x0000007f))
-
-		einfo "Extracted version (hex): ${actual_libmilter_ver}"
-		einfo "Extracted version (major): ${actual_libmilter_ver_major}"
-		einfo "Extracted version (minor): ${actual_libmilter_ver_minor}"
-		einfo "Extracted version (plvl): ${actual_libmilter_ver_plvl}"
-		einfo "Extracted version (final): ${actual_libmilter_ver_major}.${actual_libmilter_ver_minor}.${actual_libmilter_ver_plvl}"
-
-		echo ${actual_libmilter_ver_major}.${actual_libmilter_ver_minor}.${actual_libmilter_ver_plvl}
-	}
-
-	local actual_libmilter_ver_final=$(extract_version_from_source)
-	if [[ $(ver_cut 1-3) != ${actual_libmilter_ver_final} ]] ; then
-		eerror "Ebuild version ${PV} does not match detected version ${actual_libmilter_ver_final}!"
-		eerror "Expected version: $(ver_cut 1-3)"
-		eerror "Detected version: ${actual_libmilter_ver_final}"
-		die "Package version ${PV} appears to be incorrect. Please check the source or rename the ebuild."
-	fi
-
-	local ENVDEF="-DNETUNIX -DNETINET -DHAS_GETHOSTBYNAME2=1"
-
-	use ipv6 && ENVDEF+=" -DNETINET6"
-	use poll && ENVDEF+=" -DSM_CONF_POLL=1"
-
-	if use elibc_musl; then
-		use ipv6 && ENVDEF+=" -DNEEDSGETIPNODE"
-
-		eapply "${FILESDIR}"/${PN}-musl-stack-size.patch
-		eapply "${FILESDIR}"/${PN}-musl-disable-cdefs.patch
-	fi
-
-	sed -e "s|@@CC@@|$(tc-getCC)|" \
-		-e "s|@@CFLAGS@@|${CFLAGS}|" \
-		-e "s|@@ENVDEF@@|${ENVDEF}|" \
-		-e "s|@@LDFLAGS@@|${LDFLAGS}|" \
-		"${FILESDIR}"/gentoo.config.m4 > devtools/Site/site.config.m4 \
-		|| die "failed to generate site.config.m4"
-}
-
-src_compile() {
-	emake -j1 -C libmilter AR="$(tc-getAR)" MILTER_SOVER=${PV}
-}
-
-src_install() {
-	dodir /usr/$(get_libdir)
-
-	local emakeargs=(
-		DESTDIR="${D}" LIBDIR="/usr/$(get_libdir)"
-		MANROOT=/usr/share/man/man
-		SBINOWN=root SBINGRP=0 UBINOWN=root UBINGRP=0
-		LIBOWN=root LIBGRP=0 GBINOWN=root GBINGRP=0
-		MANOWN=root MANGRP=0 INCOWN=root INCGRP=0
-		MSPQOWN=root CFOWN=root CFGRP=0
-		MILTER_SOVER="$(ver_cut 1-3)"
-	)
-	emake -C obj.*/libmilter "${emakeargs[@]}" install
-
-	dodoc libmilter/README
-
-	docinto html
-	dodoc -r libmilter/docs/.
-
-	if [[ ${PV} != $(ver_cut 1-3) ]] ; then
-		# Move the .so file to the more specific name so it becomes a chain like
-		# .so -> .so.1.0.2 -> .so.1.0.2_p2, otherwise ldconfig can get confused
-		# (bug #864563).
-		#
-		# See comment above ${SLOT} definition above.
-		mv "${ED}"/usr/$(get_libdir)/"${PN}.so.$(ver_cut 1-3)" "${ED}"/usr/$(get_libdir)/${PN}.so.${PV}
-		dosym ${PN}.so.${PV} /usr/$(get_libdir)/${PN}.so.$(ver_cut 1-3)
-	fi
-
-	find "${ED}" -name '*.a' -delete || die
-}
diff --git a/mail-filter/libmilter/libmilter-1.0.2_p3-r3.ebuild b/mail-filter/libmilter/libmilter-1.0.2_p3-r3.ebuild
deleted file mode 100644
index 404f31071dcaa..0000000000000
--- a/mail-filter/libmilter/libmilter-1.0.2_p3-r3.ebuild
+++ /dev/null
@@ -1,135 +0,0 @@
-# Copyright 1999-2025 Gentoo Authors
-# Distributed under the terms of the GNU General Public License v2
-
-EAPI=8
-
-# Note: please bump this together with mail-mta/sendmail and app-shells/smrsh
-
-inherit toolchain-funcs
-
-# This library is part of sendmail, but it does not share the version number with it.
-# In order to find the right libmilter version number, check SMFI_VERSION definition
-# that can be found in ${S}/include/libmilter/mfapi.h (see also SM_LM_VRS_* defines).
-# For example, version 1.0.1 has a SMFI_VERSION of 0x01000001.
-#
-# See check in src_prepare too.
-SENDMAIL_VER=8.17.1.9
-
-DESCRIPTION="The Sendmail Filter API (Milter)"
-HOMEPAGE="https://www.proofpoint.com/us/products/email-protection/open-source-email-solution"
-if [[ -n $(ver_cut 4 ${SENDMAIL_VER}) ]] ; then
-	# Snapshots have an extra version component (e.g. 8.17.1 vs 8.17.1.9)
-	SRC_URI="https://ftp.sendmail.org/snapshots/sendmail.${SENDMAIL_VER}.tar.gz"
-fi
-SRC_URI+=" https://ftp.sendmail.org/sendmail.${SENDMAIL_VER}.tar.gz"
-SRC_URI+=" https://ftp.sendmail.org/past-releases/sendmail.${SENDMAIL_VER}.tar.gz"
-S="${WORKDIR}/sendmail-${SENDMAIL_VER}"
-
-LICENSE="Sendmail"
-# We increment _pN when a new sendmail tarball comes out and change the actual
-# "main version" (1.0.2 at time of writing) when the version
-# of libmilter included in the tarball changes.
-# We used to use $(ver_cut 1-3) here (assuming ABI stability between sendmail
-# versions) but that doesn't seem to apply for sendmail snapshots.
-SLOT="0/${PV}"
-KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86"
-IUSE="ipv6 poll"
-
-RDEPEND="!<mail-mta/sendmail-8.16.1"
-BDEPEND="sys-devel/m4"
-
-# build system patch copied from sendmail ebuild
-PATCHES=(
-	"${FILESDIR}"/sendmail-8.16.1-build-system.patch
-	"${FILESDIR}"/${PN}-sharedlib.patch
-	"${FILESDIR}"/${PN}-1.0.2_p3-c23-bool.patch
-)
-
-src_prepare() {
-	default
-
-	extract_version_from_source() {
-		# Extract "#  define SMFI_VERSION  0x01000002" from include/libmilter/mfapi.h
-		local actual_libmilter_ver=$(grep -o -E -m 1 "0[xX][0-9a-fA-F]+" include/libmilter/mfapi.h)
-
-		# SM_LM_VRS_MAJOR(v)      (((v) & 0x7f000000) >> 24)
-		local actual_libmilter_ver_major=$(((actual_libmilter_ver & 0x7f000000) >> 24))
-
-		# SM_LM_VRS_MINOR(v)      (((v) & 0x007fff00) >> 8)
-		local actual_libmilter_ver_minor=$(((actual_libmilter_ver & 0x007fff00) >> 8))
-
-		# SM_LM_VRS_PLVL(v)       ((v) & 0x0000007f)
-		local actual_libmilter_ver_plvl=$((actual_libmilter_ver & 0x0000007f))
-
-		einfo "Extracted version (hex): ${actual_libmilter_ver}"
-		einfo "Extracted version (major): ${actual_libmilter_ver_major}"
-		einfo "Extracted version (minor): ${actual_libmilter_ver_minor}"
-		einfo "Extracted version (plvl): ${actual_libmilter_ver_plvl}"
-		einfo "Extracted version (final): ${actual_libmilter_ver_major}.${actual_libmilter_ver_minor}.${actual_libmilter_ver_plvl}"
-
-		echo ${actual_libmilter_ver_major}.${actual_libmilter_ver_minor}.${actual_libmilter_ver_plvl}
-	}
-
-	local actual_libmilter_ver_final=$(extract_version_from_source)
-	if [[ $(ver_cut 1-3) != ${actual_libmilter_ver_final} ]] ; then
-		eerror "Ebuild version ${PV} does not match detected version ${actual_libmilter_ver_final}!"
-		eerror "Expected version: $(ver_cut 1-3)"
-		eerror "Detected version: ${actual_libmilter_ver_final}"
-		die "Package version ${PV} appears to be incorrect. Please check the source or rename the ebuild."
-	fi
-
-	local ENVDEF="-DNETUNIX -DNETINET -DHAS_GETHOSTBYNAME2=1"
-
-	use ipv6 && ENVDEF+=" -DNETINET6"
-	use poll && ENVDEF+=" -DSM_CONF_POLL=1"
-
-	if use elibc_musl; then
-		use ipv6 && ENVDEF+=" -DNEEDSGETIPNODE"
-
-		eapply "${FILESDIR}"/${PN}-musl-stack-size.patch
-		eapply "${FILESDIR}"/${PN}-musl-disable-cdefs.patch
-	fi
-
-	sed -e "s|@@CC@@|$(tc-getCC)|" \
-		-e "s|@@CFLAGS@@|${CFLAGS}|" \
-		-e "s|@@ENVDEF@@|${ENVDEF}|" \
-		-e "s|@@LDFLAGS@@|${LDFLAGS}|" \
-		"${FILESDIR}"/gentoo.config.m4 > devtools/Site/site.config.m4 \
-		|| die "failed to generate site.config.m4"
-}
-
-src_compile() {
-	emake -j1 -C libmilter AR="$(tc-getAR)" MILTER_SOVER=${PV}
-}
-
-src_install() {
-	dodir /usr/$(get_libdir)
-
-	local emakeargs=(
-		DESTDIR="${D}" LIBDIR="/usr/$(get_libdir)"
-		MANROOT=/usr/share/man/man
-		SBINOWN=root SBINGRP=0 UBINOWN=root UBINGRP=0
-		LIBOWN=root LIBGRP=0 GBINOWN=root GBINGRP=0
-		MANOWN=root MANGRP=0 INCOWN=root INCGRP=0
-		MSPQOWN=root CFOWN=root CFGRP=0
-		MILTER_SOVER="$(ver_cut 1-3)"
-	)
-	emake -C obj.*/libmilter "${emakeargs[@]}" install
-
-	dodoc libmilter/README
-
-	docinto html
-	dodoc -r libmilter/docs/.
-
-	if [[ ${PV} != $(ver_cut 1-3) ]] ; then
-		# Move the .so file to the more specific name so it becomes a chain like
-		# .so -> .so.1.0.2 -> .so.1.0.2_p2, otherwise ldconfig can get confused
-		# (bug #864563).
-		#
-		# See comment above ${SLOT} definition above.
-		mv "${ED}"/usr/$(get_libdir)/"${PN}.so.$(ver_cut 1-3)" "${ED}"/usr/$(get_libdir)/${PN}.so.${PV}
-		dosym ${PN}.so.${PV} /usr/$(get_libdir)/${PN}.so.$(ver_cut 1-3)
-	fi
-
-	find "${ED}" -name '*.a' -delete || die
-}