Hi

I have a web page where users log in and creates invitations and guestlists. The invitation is sent to the guest email address and its here the problem starts. When I from code(c#) send email from my page to @hotmail and @outlook addresses they eighter don't get delivered or ends up in the receivers junk folder. I have checked with my web host and the mail gets sent correct from their mail server so the problem must be when it reaches microsofts mail server.

Can someone advice on what the fault is?

Regards
David