diff --git a/infra/functions/onboarding-functions/env/prod-pnpg/terraform.tfvars b/infra/functions/onboarding-functions/env/prod-pnpg/terraform.tfvars
index 0f5142dd5..e9381e496 100644
--- a/infra/functions/onboarding-functions/env/prod-pnpg/terraform.tfvars
+++ b/infra/functions/onboarding-functions/env/prod-pnpg/terraform.tfvars
@@ -104,7 +104,7 @@ app_settings = {
   "MAIL_USER_CONFIRMATION_LINK"                        = "https://imprese.notifichedigitali.it/onboarding/confirm?jwt=%s#add-user=true",
   "MAIL_ONBOARDING_REJECTION_LINK"                     = "https://imprese.notifichedigitali.it/onboarding/cancel?jwt=",
   "MAIL_ONBOARDING_URL"                                = "https://imprese.notifichedigitali.it/onboarding/",
-  "USER_MS_SEND_MAIL"                                  = "false",
+  "USER_MS_SEND_MAIL"                                  = "true",
   "FORCE_INSTITUTION_PERSIST"                          = "true",
   "EMAIL_SERVICE_AVAILABLE"                            = "true"
   "JWT_TOKEN_ISSUER"                                   = "SPID"
diff --git a/infra/functions/onboarding-functions/env/prod/terraform.tfvars b/infra/functions/onboarding-functions/env/prod/terraform.tfvars
index 9e0bd82ac..ec2668201 100644
--- a/infra/functions/onboarding-functions/env/prod/terraform.tfvars
+++ b/infra/functions/onboarding-functions/env/prod/terraform.tfvars
@@ -79,7 +79,7 @@ app_settings = {
   "JWT_BEARER_TOKEN"                                   = "@Microsoft.KeyVault(SecretUri=https://selc-p-kv.vault.azure.net/secrets/jwt-bearer-token-functions/)",
   "MS_USER_URL"                                        = "https://selc-p-user-ms-ca.lemonpond-bb0b750e.westeurope.azurecontainerapps.io",
   "MS_PARTY_REGISTRY_URL"                              = "https://selc-p-party-reg-proxy-ca.lemonpond-bb0b750e.westeurope.azurecontainerapps.io",
-  "USER_MS_SEND_MAIL"                                  = "false",
+  "USER_MS_SEND_MAIL"                                  = "true",
   "EVENT_HUB_BASE_PATH"                                = "https://selc-p-eventhub-ns.servicebus.windows.net",
   "STANDARD_SHARED_ACCESS_KEY_NAME"                    = "selfcare-wo"
   "EVENTHUB_SC_CONTRACTS_SELFCARE_WO_KEY_LC"           = "@Microsoft.KeyVault(SecretUri=https://selc-p-kv.vault.azure.net/secrets/eventhub-sc-contracts-selfcare-wo-key-lc/)"