diff --git a/.ci/dev/regression/Jenkinsfile b/.ci/dev/regression/Jenkinsfile
index db4afdadbe..e0a3dbf62c 100644
--- a/.ci/dev/regression/Jenkinsfile
+++ b/.ci/dev/regression/Jenkinsfile
@@ -3,6 +3,7 @@
  * Jenkins pipeline to build Corda OS release branches and tags.
  * PLEASE NOTE: we DO want to run a build for each commit!!!
  */
+@Library('corda-shared-build-pipeline-steps')
 
 /**
  * Sense environment
@@ -41,17 +42,6 @@ def nexusIqStageChoices = [nexusDefaultIqStage].plus(
                         'operate'
                 ].minus([nexusDefaultIqStage]))
 
-/**
- * define an empty teamsWebHookURL and if it is a Release Branch
- * then set it for the Corda 4 Jenkins Connector
- */
-def teamsWebHookURL = ""
-if (isReleaseBranch || isReleaseTag){
-    withCredentials([string(credentialsId: 'ms-teams-webhook', variable: 'webhook_url')]) {
-        teamsWebHookURL = "$webhook_url"
-    }
-}
-
 /**
  * Common Gradle arguments for all Gradle executions
  */
@@ -75,18 +65,6 @@ pipeline {
         parallelsAlwaysFailFast()
         timeout(time: 6, unit: 'HOURS')
         timestamps()
-        office365ConnectorWebhooks([[
-                                            name                 : "Corda 4 Jenkins Connector",
-                                            notifyBackToNormal   : true,
-                                            startNotification    : false,
-                                            notifyFailure        : true,
-                                            notifySuccess        : true,
-                                            notifyNotBuilt       : false,
-                                            notifyAborted        : false,
-                                            notifyRepeatedFailure: true,
-                                            notifyUnstable       : true,
-                                            url                  : "${teamsWebHookURL}"
-                                    ]])
     }
 
     parameters {
@@ -104,6 +82,7 @@ pipeline {
         CORDA_ARTIFACTORY_USERNAME = "${env.ARTIFACTORY_CREDENTIALS_USR}"
         CORDA_BUILD_EDITION = "${buildEdition}"
         DOCKER_URL = "https://index.docker.io/v1/"
+        EMAIL_RECIPIENTS = credentials('corda4-email-recipient')
     }
 
     stages {
@@ -409,19 +388,21 @@ pipeline {
                 }
             }
         }
+        success {
+            script {
+                sendSlackNotifications("good", "BUILD PASSED", false, "#corda-corda4-open-source-build-notifications")
+            }
+        }
+        unstable {
+            script {                 
+                sendSlackNotifications("warning", "BUILD UNSTABLE - Unstable Builds are likely a result of Nexus Sonar Scanner violations", false, "#corda-corda4-open-source-build-notifications")                      
+            }
+        }
         failure {
             script {
-                def statusSymbol = '\u274c'
+                sendSlackNotifications("danger", "BUILD FAILURE", true, "#corda-corda4-open-source-build-notifications")
                 if (isReleaseTag || isReleaseBranch || isReleaseCandidate) {
-                    emailext subject: "$statusSymbol " + '$PROJECT_NAME - Build # $BUILD_NUMBER - $BUILD_STATUS!',
-                            body: '${SCRIPT, template="groovy-html.template"}',
-                            recipientProviders: [
-                                    [$class: 'CulpritsRecipientProvider'],
-                                    [$class: 'RequesterRecipientProvider']
-                            ],
-                            mimeType: 'text/html',
-                            replyTo: '$DEFAULT_REPLYTO',
-                            to: "adel.el-beik@r3.com"
+                    sendEmailNotifications("${env.EMAIL_RECIPIENTS}")
                 }
             }
         }