Hi There,

I am trying to send email to cdac.in domain from ezedox.com domain email account. Getting following message. 

This message was created automatically by mail delivery software.

A message that you sent could not be delivered to one or more of its recipients. This is a permanent error. 

someone @cdac.in  INVALID_ADDRESS, ERROR_CODE :550, ERROR_CODE :5.7.1 <someone @cdac.in >... Your site blacklisted by  sorbs.net

Received:from [192.168.1.133] (45.112.137.246 [45.112.137.246]) by  mx.zohomail.com

with SMTPS id 1532586134274641.9405814685063; Wed, 25 Jul 2018 23:22:14 -0700 (PDT)

Message-ID:< CA5C5CED-5785-4F1F-BB07-C0D9BA3B7FAE@ezedox.com >

Date:Thu, 26 Jul 2018 11:52:08 +0530

From:Person Name<someemail @ezedox.com >

To:someone<someone @cdac.in >

Subject:Re: subject

Content-Type:multipart/alternative;

boundary="Apple-Mail=_8B3F19BA-02D9-450E-A88E-5DAE4CA129A5"