diff --git a/postfix-3.5.9-glibc-234-build-fix.patch b/postfix-3.5.9-glibc-234-build-fix.patch
new file mode 100644
index 0000000000000000000000000000000000000000..32413620728cf6b3fb3d3195ac57ef9f06afb1b5
--- /dev/null
+++ b/postfix-3.5.9-glibc-234-build-fix.patch
@@ -0,0 +1,62 @@
+From e5e37549ef6244201c2fec69ae3e27ac4457403c Mon Sep 17 00:00:00 2001
+From: Weisson <Weisson@linux.alibaba.com>
+Date: Tue, 30 Jan 2024 17:24:05 +0800
+Subject: [PATCH] postfix-3.5.9 glibc-234 build fix.
+
+Signed-off-by: Weisson <Weisson@linux.alibaba.com>
+---
+ src/util/sys_compat.c | 6 +++---
+ src/util/sys_defs.h   | 5 ++++-
+ 2 files changed, 7 insertions(+), 4 deletions(-)
+
+diff --git a/src/util/sys_compat.c b/src/util/sys_compat.c
+index 8bf8e58..c87f043 100644
+--- a/src/util/sys_compat.c
++++ b/src/util/sys_compat.c
+@@ -286,7 +286,7 @@ int     dup2_pass_on_exec(int oldd, int newd)
+
+ /* closefrom() - closes all file descriptors from the given one up */
+
+-int     closefrom(int lowfd)
++void     closefrom(int lowfd)
+ {
+     int     fd_limit = open_limit(0);
+     int     fd;
+@@ -298,14 +298,14 @@ int     closefrom(int lowfd)
+      */
+     if (lowfd < 0) {
+ 	errno = EBADF;
+-	return (-1);
++	return;
+     }
+     if (fd_limit > 500)
+ 	fd_limit = 500;
+     for (fd = lowfd; fd < fd_limit; fd++)
+ 	(void) close(fd);
+
+-    return (0);
++    return;
+ }
+
+ #endif
+diff --git a/src/util/sys_defs.h b/src/util/sys_defs.h
+index 670929f..bbb9e20 100644
+--- a/src/util/sys_defs.h
++++ b/src/util/sys_defs.h
+@@ -1509,10 +1509,13 @@ extern int setsid(void);
+ #endif
+
+ #ifndef HAS_CLOSEFROM
+-extern int closefrom(int);
++extern void closefrom(int);
+
+ #endif
+
++#if HAVE_GLIBC_API_VERSION_SUPPORT(2, 34)
++#define HAS_CLOSEFROM
++#endif
+ #ifdef MISSING_STD_FILENOS
+ #define STDIN_FILENO	0
+ #define STDOUT_FILENO	1
+--
+2.31.1
diff --git a/postfix.spec b/postfix.spec
index 805c1bf9bb4b37b07a1c7dafe42aa1b5f6c8a6df..365aed35b70557ae7b558d48f24b40fa58d0619d 100644
--- a/postfix.spec
+++ b/postfix.spec
@@ -1,3 +1,4 @@
+%define anolis_release .0.1
 # plugins have unresolvable symbols in compile time
 %undefine _strict_symbol_defs_build
 
@@ -49,7 +50,7 @@
 Name: postfix
 Summary: Postfix Mail Transport Agent
 Version: 3.5.8
-Release: 7%{?dist}
+Release: 7%{anolis_release}%{?dist}
 Epoch: 2
 Group: System Environment/Daemons
 URL: http://www.postfix.org
@@ -110,6 +111,7 @@ Patch16: postfix-3.5.8-makedefs.patch
 
 # Optional patches - set the appropriate environment variables to include
 #                    them when building the package/spec file
+Patch1000: postfix-3.5.9-glibc-234-build-fix.patch
 
 
 # Determine the different packages required for building postfix
@@ -229,6 +231,10 @@ maps with Postfix, you need this.
 %patch3 -p1 -b .alternatives
 %patch4 -p1 -b .large-fs
 
+%ifarch sw_64
+%patch1000 -p1 -b .closefrom
+%endif
+
 # Change DEF_SHLIB_DIR according to build host
 sed -i \
 's|^\(\s*#define\s\+DEF_SHLIB_DIR\s\+\)"/usr/lib/postfix"|\1"%{_libdir}/postfix"|' \
@@ -763,6 +769,9 @@ exit 0
 %endif
 
 %changelog
+* Tue Jan 30 2024 Weisson <Weisson@linux.alibaba.com> - 2:3.5.8-7.0.1
+- add glibc-2.34 support.
+
 * Mon Aug 14 2023 Jaroslav Škarvada <jskarvad@redhat.com> - 2:3.5.8-7
 - Fixed possible warning when postfix is restarted
   Resolves: rhbz#2162659