diff --git a/sendmail.service b/sendmail.service
index 9a7c9c324bcea74f10bb5df374ddbffc33258ab2..597c2c3d0e7cfe6163b6f2df95e40d03f6ea0db6 100644
--- a/sendmail.service
+++ b/sendmail.service
@@ -13,6 +13,7 @@ EnvironmentFile=-/etc/sysconfig/sendmail
 ExecStartPre=-/etc/mail/make
 ExecStartPre=-/etc/mail/make aliases
 ExecStart=/usr/sbin/sendmail -bd $SENDMAIL_OPTS $SENDMAIL_OPTARG
+ExecStartPost=/usr/bin/sleep 0.1
 ExecReload=/usr/bin/kill -HUP $MAINPID
 # hack to allow async reload to complete, otherwise systemd may signal error
 ExecReload=/usr/bin/sleep 2
diff --git a/sendmail.spec b/sendmail.spec
index d41d53c581d2c23fe5c67159d179cf4cc92aca75..00d767948c8d1ff248a3c43388a9e979b237774e 100644
--- a/sendmail.spec
+++ b/sendmail.spec
@@ -1,6 +1,6 @@
 Name:          sendmail
 Version:       8.16.1
-Release:       5
+Release:       6
 Summary:       A classic mail transfer agent from the Unix world
 License:       Sendmail
 URL:           http://www.sendmail.org/
@@ -468,6 +468,12 @@ exit 0
 
 
 %changelog
+* Tue Feb 15 2022 gaihuiying <eaglegai@163.com> - 8.16.1-6
+- Type:bugfix
+- ID:NA
+- SUG:NA
+- DESC:add ExecStartPost in sendmail.service
+
 * Wed May 12 liulong <liulong20@huawei.com> - 8.16.1-5
 - Type:bugfix
 - ID:NA