diff --git a/Workbench/comanage/Dockerfile b/Workbench/comanage/Dockerfile
index 7d0b552..f55d257 100644
--- a/Workbench/comanage/Dockerfile
+++ b/Workbench/comanage/Dockerfile
@@ -9,7 +9,7 @@ ENV COMANAGE_REGISTRY_DATABASE_USER=registry_user
 ENV COMANAGE_REGISTRY_DATABASE_USER_PASSWORD=123321
 ENV COMANAGE_REGISTRY_EMAIL_FROM=noreply@workbench.incommon.org
 ENV COMANAGE_REGISTRY_EMAIL_TRANSPORT=Smtp
-ENV COMANAGE_REGISTRY_EMAIL_PORT=25
+ENV COMANAGE_REGISTRY_EMAIL_PORT=465
 ENV COMANAGE_REGISTRY_EMAIL_HOST=tls://email-smtp.us-west-2.amazonaws.com
 ENV COMANAGE_REGISTRY_EMAIL_ACCOUNT=AKIAZDWJANQRZKPFVK6J
 ENV COMANAGE_REGISTRY_EMAIL_ACCOUNT_PASSWORD=BNAp6WlvsI4iXK3ush8pwPD2QKHDYQ09ti+Z3r/mb2Nx