user always receive undelivery mail reurned to sender when send email

user always receive undelivery mail reurned to sender when send email

Hi zoho mail ,
please support me this problem :
-----Original Message-----

From: mailer-daemon@mail.zoho.com [mailto:mailer-daemon@mail.zoho.com]

Sent: Friday, September 14, 2018 1:40 PM

To: general.account@carnivalvn.com

Subject: Undelivered Mail Returned to Sender

 

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.

 

Undelivered Mail Returned to Sender[ hr@carnivalvn.com]

 

 

 Received:from PCKT1 (14.161.16.36 [14.161.16.36]) by mx.zohomail.com

                with SMTPS id 1536907196351927.001210623252; Thu, 13 Sep 2018 23:39:56 -0700 (PDT)   Message-ID:< 002901d44bf6$23d88f20$6b89ad60$@carnivalvn.com>

 Date:Fri, 14 Sep 2018 13:42:41 +0700

 From:"Ms Thuong" < general.account@carnivalvn.com>   To:"'TRAN HANG AN LUAT|'" < tuvan4@anluat.vn>   Cc:"'HR'" < hr@carnivalvn.com>,

                "'Phuong Dinh\(Phuong\)'" < kimphuong.dinh@carnivalvn.com>

 Subject:RE: complain tu van dich vu thay doi hinh thuc doanh nghiep   Content-Type:multipart/related;

                boundary="----=_NextPart_000_002A_01D44C30.D03A7460"from PCKT1 (14.161.16.36 [14.161.16.36]) by mx.zohomail.com

                with SMTPS id 1536907196351927.001210623252; Thu, 13 Sep 2018 23:39:56 -0700 (PDT)5
Please support me to fix this error .
Thank you so much ,i'm looking forward to hearing from you as soon as possible