diff --git a/build/Jenkinsfile.pr b/build/Jenkinsfile.pr
index 3a27197c8e..0d4d82bf13 100644
--- a/build/Jenkinsfile.pr
+++ b/build/Jenkinsfile.pr
@@ -98,6 +98,7 @@ pipeline {
                 CI_MINIO_HOST = "minio"
                 CI_INBUCKET_PORT = "10080"
                 CI_MINIO_PORT = "9000"
+                CI_INBUCKET_SMTP_PORT = "10025"
                 CI_LDAP_HOST = "openldap"
                 IS_CI = true
             }
diff --git a/build/local-test-env.sh b/build/local-test-env.sh
index be5b10b262..c414ee9ca4 100755
--- a/build/local-test-env.sh
+++ b/build/local-test-env.sh
@@ -44,6 +44,7 @@ up()
    -e CI_MINIO_HOST="minio" \
    -e CI_INBUCKET_PORT="10080" \
    -e CI_MINIO_PORT="9000" \
+   -e CI_INBUCKET_SMTP_PORT="10025" \
    -e CI_LDAP_HOST="openldap" \
    -e IS_CI=true \
    mattermost/mattermost-build-server:dec-7-2018 /bin/bash