Emails sent to Hotmail users using my domain are getting into their Junk folder

Original title: New registered domain email wrongly identified as junk

Dear Sir,

This is an urgent issue. I'm not sure if this is the right place for me to escalate the issue but I hope to get help here.

My company has just newly registered for a domain www.niagaborong.com, and the problem is when we use the email address from this domain (For example, *** Email address is removed for privacy ***) to our customer who is using hotmail, the email will automatically go into Junk folder.

Can you please assist and help me to solve this problem and add us into the whitelist so that our company domain email will not go into Junk folder?

Thank you and urgently, sincerely I'm hoping to receive your reply.

Warmest Regards,
Soon Hooi