diff --git a/deployment/puppet/fuel/manifests/keystone.pp b/deployment/puppet/fuel/manifests/keystone.pp
index fd255920bc..5a8183a8d5 100644
--- a/deployment/puppet/fuel/manifests/keystone.pp
+++ b/deployment/puppet/fuel/manifests/keystone.pp
@@ -193,7 +193,7 @@ class fuel::keystone (
   cron { 'keystone-flush-token':
     ensure      => present,
     command     => 'keystone-manage token_flush',
-    environment => 'PATH=/bin:/usr/bin:/usr/sbin',
+    environment => [ 'MAILTO=""', 'PATH=/bin:/usr/bin:/usr/sbin' ],
     user        => 'keystone',
     hour        => '1',
     require     => [ Package['crontabs'], Package['openstack-keystone'] ],
diff --git a/deployment/puppet/fuel/manifests/nailgun/server.pp b/deployment/puppet/fuel/manifests/nailgun/server.pp
index 1c9c8315de..ed33f8d2e7 100644
--- a/deployment/puppet/fuel/manifests/nailgun/server.pp
+++ b/deployment/puppet/fuel/manifests/nailgun/server.pp
@@ -139,7 +139,7 @@ class fuel::nailgun::server (
   cron { 'oswl_cleaner':
     ensure      => present,
     command     => 'oswl_cleaner',
-    environment => 'PATH=/bin:/usr/bin:/usr/sbin',
+    environment => [ 'MAILTO=""', 'PATH=/bin:/usr/bin:/usr/sbin' ],
     user        => 'nailgun',
     hour        => '1',
     require     => Package['crontabs'],
diff --git a/deployment/puppet/openstack/manifests/logrotate.pp b/deployment/puppet/openstack/manifests/logrotate.pp
index 17d05a70c1..757e91d91a 100644
--- a/deployment/puppet/openstack/manifests/logrotate.pp
+++ b/deployment/puppet/openstack/manifests/logrotate.pp
@@ -72,8 +72,9 @@ class openstack::logrotate (
   }
 
   cron { 'fuel-logrotate':
-    command => '/usr/bin/fuel-logrotate',
-    user    => 'root',
-    minute  => "*/${interval}",
+    command     => '/usr/bin/fuel-logrotate',
+    environment => [ 'MAILTO=""', 'PATH=/bin:/usr/bin:/usr/sbin' ],
+    user        => 'root',
+    minute      => "*/${interval}",
   }
 }
diff --git a/deployment/puppet/openstack_tasks/manifests/swift/parts/rebalance_cronjob.pp b/deployment/puppet/openstack_tasks/manifests/swift/parts/rebalance_cronjob.pp
index 1ee22c0168..aee0573272 100644
--- a/deployment/puppet/openstack_tasks/manifests/swift/parts/rebalance_cronjob.pp
+++ b/deployment/puppet/openstack_tasks/manifests/swift/parts/rebalance_cronjob.pp
@@ -18,14 +18,15 @@ class openstack_tasks::swift::parts::rebalance_cronjob(
   }
 
   cron { 'swift-rings-rebalance':
-    ensure  => $primary_proxy ? {
+    ensure      => $primary_proxy ? {
       true    => present,
       default => absent,
     },
-    command => '/usr/local/bin/swift-rings-rebalance.sh &>/dev/null',
-    user    => 'swift',
-    hour    => "*/$ring_rebalance_period",
-    minute  => '15',
+    command     => '/usr/local/bin/swift-rings-rebalance.sh &>/dev/null',
+    environment => [ 'MAILTO=""', 'PATH=/bin:/usr/bin:/usr/sbin' ],
+    user        => 'swift',
+    hour        => "*/$ring_rebalance_period",
+    minute      => '15',
   }
 
   # setup a cronjob to download rings periodically on secondaries
@@ -41,14 +42,15 @@ class openstack_tasks::swift::parts::rebalance_cronjob(
   }
 
   cron { 'swift-rings-sync':
-    ensure  => $primary_proxy ? {
+    ensure      => $primary_proxy ? {
       true    => absent,
       default => present,
     },
-    command => '/usr/local/bin/swift-rings-sync.sh &>/dev/null',
-    user    => 'swift',
-    hour    => "*/$ring_rebalance_period",
-    minute  => '25',
+    command     => '/usr/local/bin/swift-rings-sync.sh &>/dev/null',
+    environment => [ 'MAILTO=""', 'PATH=/bin:/usr/bin:/usr/sbin' ],
+    user        => 'swift',
+    hour        => "*/$ring_rebalance_period",
+    minute      => '25',
   }
 
 }
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