diff --git a/data/common/common.yaml b/data/common/common.yaml
--- a/data/common/common.yaml
+++ b/data/common/common.yaml
@@ -2259,6 +2259,7 @@
 swh::deploy::webapp::history_counters_url: "%{lookup('swh::remote_service::counters::url')}counters_history/history.json"
 swh::deploy::webapp::counters_backend: swh-counters
 swh::deploy::webapp::instance_name: archive.softwareheritage.org
+swh::deploy::webapp::add_forge_now_email_address: "add-forge-now@%{lookup('swh::deploy::webapp::inbound_email::domain')}"
 
 # in private data:
 # deposit_basic_auth_swhworker_username
@@ -2293,6 +2294,8 @@
   give:
     public_key: "%{hiera('webapp_give_public_key')}"
     token: "%{hiera('webapp_give_token')}"
+  add_forge_now:
+    email_address: "%{hiera('swh::deploy::webapp::add_forge_now_email_address')}"
   features: "%{alias('swh::deploy::webapp::config::features')}"
 
 swh::deploy::webapp::config::features: