diff --git a/doc/CHANGES-2023 b/doc/CHANGES-2023
index 9a1efea08985..8f64a6bf07a2 100644
--- a/doc/CHANGES-2023
+++ b/doc/CHANGES-2023
@@ -1,4 +1,4 @@
-$NetBSD: CHANGES-2023,v 1.2344 2023/04/21 00:49:56 manu Exp $
+$NetBSD: CHANGES-2023,v 1.2345 2023/04/21 00:59:41 manu Exp $
 
 Changes to the packages collection and infrastructure in 2023:
 
@@ -3380,3 +3380,4 @@ Changes to the packages collection and infrastructure in 2023:
 	Added misc/chatgpt-shell-cli version 0.0.20230420 [schmonz 2023-04-20]
 	Added databases/openldap-autogroup 2.6.4 [manu 2023-04-21]
 	Added mail/openarc 20180921 [manu 2023-04-21]
+	Added net/nagios-plugin-mqueue [manu 2023-04-21]
diff --git a/net/Makefile b/net/Makefile
index 4379bb55d466..a23138617d2f 100644
--- a/net/Makefile
+++ b/net/Makefile
@@ -1,4 +1,4 @@
-# $NetBSD: Makefile,v 1.1509 2023/04/09 10:03:18 nros Exp $
+# $NetBSD: Makefile,v 1.1510 2023/04/21 00:59:41 manu Exp $
 #
 
 COMMENT=	Networking tools
@@ -418,6 +418,7 @@ SUBDIR+=	nagios-plugin-ipf
 SUBDIR+=	nagios-plugin-ldap
 SUBDIR+=	nagios-plugin-lpd
 SUBDIR+=	nagios-plugin-milter
+SUBDIR+=	nagios-plugin-mqueue
 SUBDIR+=	nagios-plugin-mysql
 SUBDIR+=	nagios-plugin-mysqlslave
 SUBDIR+=	nagios-plugin-pgsql
diff --git a/net/nagios-plugin-mqueue/DESCR b/net/nagios-plugin-mqueue/DESCR
new file mode 100644
index 000000000000..a6a81c0ae1e4
--- /dev/null
+++ b/net/nagios-plugin-mqueue/DESCR
@@ -0,0 +1,3 @@
+$NetBSD: DESCR,v 1.1 2023/04/21 00:59:41 manu Exp $
+
+This Nagios plugin checks Sendmail queues status
diff --git a/net/nagios-plugin-mqueue/Makefile b/net/nagios-plugin-mqueue/Makefile
new file mode 100644
index 000000000000..0f2f6fae2b86
--- /dev/null
+++ b/net/nagios-plugin-mqueue/Makefile
@@ -0,0 +1,31 @@
+# $NetBSD: Makefile,v 1.1 2023/04/21 00:59:41 manu Exp $
+#
+
+DISTNAME=	check_mqueue-0.1
+PKGNAME=	nagios-plugin-mqueue-${DISTNAME:C/.*-//}
+CATEGORIES=	net
+MASTER_SITES=	http://ftp.espci.fr/pub/nagios-local/
+EXTRACT_SUFX=	.tgz
+
+MAINTAINER=	pkgsrc-users@NetBSD.org
+HOMEPAGE=	https://ftp.espci.fr/pub/nagios-local/
+COMMENT=	Sendmail queue monitoring plugin for Nagios
+LICENSE=	modified-bsd
+
+PKG_DESTDIR_SUPPORT=	user-destdir
+
+INSTALLATION_DIRS+=	libexec/nagios
+
+
+BUILD_DEFS+=		NAGIOS_GROUP
+PKG_GROUPS_VARS+=	NAGIOS_GROUP
+PKG_GROUPS=		${NAGIOS_GROUP}
+
+SPECIAL_PERMS+=	${PREFIX}/libexec/nagios/check_mqueue \
+		${REAL_ROOT_USER} ${NAGIOS_GROUP} 4554
+
+do-install:
+	${INSTALL_PROGRAM} ${WRKSRC}/check_mqueue \
+	    ${DESTDIR}${PREFIX}/libexec/nagios/
+
+.include "../../mk/bsd.pkg.mk"
diff --git a/net/nagios-plugin-mqueue/PLIST b/net/nagios-plugin-mqueue/PLIST
new file mode 100644
index 000000000000..9f3154c39adf
--- /dev/null
+++ b/net/nagios-plugin-mqueue/PLIST
@@ -0,0 +1,2 @@
+@comment $NetBSD: PLIST,v 1.1 2023/04/21 00:59:41 manu Exp $
+libexec/nagios/check_mqueue
diff --git a/net/nagios-plugin-mqueue/distinfo b/net/nagios-plugin-mqueue/distinfo
new file mode 100644
index 000000000000..037214fad293
--- /dev/null
+++ b/net/nagios-plugin-mqueue/distinfo
@@ -0,0 +1,5 @@
+$NetBSD: distinfo,v 1.1 2023/04/21 00:59:41 manu Exp $
+
+BLAKE2s (check_mqueue-0.1.tgz) = 6c87c6b19e1fa9c6ab49b81ded3ad3607b1bb2eaec8432c6c23c49a78b675282
+SHA512 (check_mqueue-0.1.tgz) = 984a0a7c10510ac2e70e5873b081317eb57e01254624042089a2347033bdeb3513ba13850456ecc7dc9d24b5b56c9fae386563062d142b88648b93525f491065
+Size (check_mqueue-0.1.tgz) = 1889 bytes