mails & notifications deliverd in Junk mail

When i send Newsletters or offers for users to them

they deliverd as junk mail…!!!

As Sample in hotmai’s junkl show this letter:

Microsoft SmartScreen has blocked this message for your safety and we’ll delete it after ten days.

Show content




Any solution??

Thanks:confused:

This is quite common if you are not using the SMTP mail method and within that, are not using any domain keys or other authentication keys for the sending domain.