An anti-spam software application being developed by Yahoo and using a combination of public and private “keys” to authenticate the sender’s domain and reduce the chance that a spammer or hacker will fake the domain sending address.
Building an Opt-In List, Building Relationships
If you aim for success, you must do everything within your means to achieve that. You just donÃt go on sitting there in your house complaining about not getting as much profit as you expect.
