diff --git a/postfix.spec b/postfix.spec
index cc71931..b7b7c3b 100644
--- a/postfix.spec
+++ b/postfix.spec
@@ -23,7 +23,7 @@
 Name:           postfix
 Summary:        Postfix Mail Transport Agent
 Version:        3.3.1
-Release:        16
+Release:        17
 Epoch:          2
 URL:            http://www.postfix.org
 License:        (IPL-1.0 and GPLv2+) or (EPL-2.0 and GPLv2+)
@@ -47,7 +47,7 @@ Patch8:         fix-build-error-with_glibc2.30-ftbfs.patch
 Patch9:         fix-multiple-definition-error-with-gcc-10.patch
 Patch10:        postfix-3.6.2-glibc-234-build-fix.patch 
 
-BuildRequires:  perl-generators pkgconfig zlib-devel systemd-units libicu-devel libnsl2-devel gcc m4 openldap-devel
+BuildRequires:  lmdb-devel perl-generators pkgconfig zlib-devel systemd-units libicu-devel libnsl2-devel gcc m4 openldap-devel
 BuildRequires:  cyrus-sasl-devel pcre-devel mariadb-connector-c-devel postgresql-devel sqlite-devel openssl-devel procps-ng
 BuildRequires:  chrpath
 Requires(post): systemd-sysv %{_sbindir}/alternatives %{_bindir}/openssl
@@ -129,11 +129,13 @@ for f in README_FILES/TLS_{LEGACY_,}README TLS_ACKNOWLEDGEMENTS; do
 done
 
 %build
-unset AUXLIBS AUXLIBS_LDAP AUXLIBS_PCRE AUXLIBS_MYSQL AUXLIBS_PGSQL AUXLIBS_SQLITE AUXLIBS_CDB
+unset AUXLIBS AUXLIBS_LDAP AUXLIBS_LMDB AUXLIBS_PCRE AUXLIBS_MYSQL AUXLIBS_PGSQL AUXLIBS_SQLITE AUXLIBS_CDB
 CCARGS="-fPIC"
 AUXLIBS="-lnsl"
 CCARGS="${CCARGS} -DHAS_LDAP -DLDAP_DEPRECATED=1 %{?with_sasl:-DUSE_LDAP_SASL}"
 AUXLIBS_LDAP="-lldap -llber"
+CCARGS="${CCARGS} -DHAS_LMDB"
+AUXLIBS_LMDB="-llmdb"
 CCARGS="${CCARGS} -DHAS_PCRE -I%{_includedir}/pcre"
 AUXLIBS_PCRE="-lpcre"
 CCARGS="${CCARGS} -DHAS_MYSQL -I%{_includedir}/mysql"
@@ -161,7 +163,7 @@ LDFLAGS="%{?__global_ldflags} %{?_hardened_build:-Wl,-z,relro,-z,now}"
 
 make -f Makefile.init makefiles shared=yes dynamicmaps=yes \
   %{?_hardened_build:pie=yes} CCARGS="${CCARGS}" AUXLIBS="${AUXLIBS}" \
-  AUXLIBS_LDAP="${AUXLIBS_LDAP}" AUXLIBS_PCRE="${AUXLIBS_PCRE}" \
+  AUXLIBS_LDAP="${AUXLIBS_LDAP}" AUXLIBS_LMDB="${AUXLIBS_LMDB}" AUXLIBS_PCRE="${AUXLIBS_PCRE}" \
   AUXLIBS_MYSQL="${AUXLIBS_MYSQL}" AUXLIBS_PGSQL="${AUXLIBS_PGSQL}" \
   AUXLIBS_SQLITE="${AUXLIBS_SQLITE}" AUXLIBS_CDB="${AUXLIBS_CDB}"\
   DEBUG="" SHLIB_RPATH="-Wl,-rpath,%{postfix_shlib_dir} $LDFLAGS" \
@@ -320,7 +322,7 @@ function split_file
 }
 
 pushd %{buildroot}%{postfix_config_dir}
-for map in mysql pgsql sqlite ldap pcre; do
+for map in mysql pgsql sqlite ldap lmdb pcre; do
   rm -f dynamicmaps.cf.d/"$map" "postfix-files.d/$map"
   split_file "^\s*$map\b" "$map" dynamicmaps.cf
   sed -i "s|postfix-$map\\.so|%{postfix_shlib_dir}/\\0|" "dynamicmaps.cf.d/$map"
@@ -498,6 +500,9 @@ fi
 %{_bindir}/rmail.postfix
 %{_sbindir}/sendmail.postfix
 /usr/lib/sendmail.postfix
+%attr(0644, root, root) %{postfix_config_dir}/dynamicmaps.cf.d/lmdb
+%attr(0644, root, root) %{postfix_config_dir}/postfix-files.d/lmdb
+%attr(0755, root, root) %{postfix_shlib_dir}/postfix-lmdb.so
 %ghost %{_sysconfdir}/pam.d/smtp
 %ghost %attr(0755, root, root) %{_bindir}/mailq
 %ghost %attr(0755, root, root) %{_bindir}/newaliases
@@ -547,6 +552,12 @@ fi
 %{postfix_doc_dir}/README_FILES/*
 
 %changelog
+* Tue Mar 01 2022 zhouyihang<zhouyihang3@h-partners.com> - 2:3.3.1-17
+- Type:bugfix
+- ID:NA
+- SUG:NA
+- DESC:add build require of lmdb
+
 * Wed Feb 23 2022 xihaochen<xihaochen@h-partner.com> - 2:3.3.1-16
 - Type:bugfix
 - ID:NA