diff --git a/playbooks/roles/jenkins_data_engineering/defaults/main.yml b/playbooks/roles/jenkins_data_engineering/defaults/main.yml
index 7edb6adf351..80510583a7f 100644
--- a/playbooks/roles/jenkins_data_engineering/defaults/main.yml
+++ b/playbooks/roles/jenkins_data_engineering/defaults/main.yml
@@ -24,7 +24,7 @@ de_jenkins_seed_job_source: '{{ role_path }}/../jenkins_data_engineering/files/x
 de_jenkins_user_uid: 900
 de_jenkins_group_gid: 900
 DE_JENKINS_VERSION: jenkins_2.89.4
-de_jenkins_jvm_args: '-Djava.awt.headless=true -Xmx16g -Djenkins.install.runSetupWizard=false'
+de_jenkins_jvm_args: '-Djava.awt.headless=true -Xmx16g -Djenkins.install.runSetupWizard=false -Dmail.smtp.starttls.enable=true -Dmail.smtp.ssl.protocols=TLSv1.2'
 
 jenkins_base_environment_variables:
   - NAME: 'AUTOMATION_USER'
diff --git a/playbooks/roles/jenkins_data_engineering_new/defaults/main.yml b/playbooks/roles/jenkins_data_engineering_new/defaults/main.yml
index c9ac444901b..974164e8cbf 100644
--- a/playbooks/roles/jenkins_data_engineering_new/defaults/main.yml
+++ b/playbooks/roles/jenkins_data_engineering_new/defaults/main.yml
@@ -29,7 +29,7 @@ de_jenkins_seed_job_source: '{{ role_path }}/../jenkins_data_engineering_new/fil
 de_jenkins_user_uid: 900
 de_jenkins_group_gid: 900
 DE_JENKINS_VERSION: jenkins_2.222.3
-de_jenkins_jvm_args: '-Djava.awt.headless=true -Xmx16g -Djenkins.install.runSetupWizard=false'
+de_jenkins_jvm_args: '-Djava.awt.headless=true -Xmx16g -Djenkins.install.runSetupWizard=false -Dmail.smtp.starttls.enable=true -Dmail.smtp.ssl.protocols=TLSv1.2'
 
 de_jenkins_snap_pkgs:
   - hub