Ora-24247: Network Access denied access control list (acl)

Ora-24247: Network Access denied access control list (acl)

-- Create an ACL
BEGIN
DBMS_NETWORK_ACL_ADMIN.CREATE_ACL (
Acl => 'email _ server_permissions.xml ',
Description => 'enables network permissions for the e-mail Server ',
Principal => 'email _ user ',
Is_grant => TRUE,
Privilege => 'connect ');
END;
/

-- Associate with the mail service
BEGIN
DBMS_NETWORK_ACL_ADMIN.ASSIGN_ACL (
Acl => 'email _ server_permissions.xml ',
Host => 'smtp _ Server ',
Lower_port => port );
END;
/

-- In this way, the stored procedure created by the email_user user account can send emails to this email server.