Send email from sendmail php to zoho mail: Recipient address rejected: User unknown in virtual mailbox table

Send email from sendmail php to zoho mail: Recipient address rejected: User unknown in virtual mailbox table

Hi,

My website wants to send an email to an address hosted in Zoho. in this case: fathur.rachman@antaresworks.com

But the email don't receive any email from it. The generated error log:

220 server1.siriuslabs.net ESMTP Postfix 
hello: 250-server1.siriuslabs.net
250-PIPELINING
250-SIZE 10240000
250-ETRN
250-STARTTLS
250-AUTH DIGEST-MD5 CRAM-MD5 PLAIN LOGIN
250-ENHANCEDSTATUSCODES
250-8BITMIME
250 DSN
starttls: 220 2.0.0 Ready to start TLS
hello: 250-server1.siriuslabs.net
250-PIPELINING
250-SIZE 10240000
250-ETRN
250-AUTH DIGEST-MD5 CRAM-MD5 PLAIN LOGIN
250-ENHANCEDSTATUSCODES
250-8BITMIME
250 DSN
from: 250 2.1.0 Ok
to: 550 5.1.1 : Recipient address rejected: User unknown in virtual mailbox table
The following SMTP error was encountered: 550 5.1.1 : Recipient address rejected: User unknown in virtual mailbox table 
data: 554 5.5.1 Error: no valid recipients
The following SMTP error was encountered: 554 5.5.1 Error: no valid recipients 
221 2.7.0 Error: I can break rules, too. Goodbye. 
The following SMTP error was encountered: 221 2.7.0 Error: I can break rules, too. Goodbye. 
Unable to send email using PHP SMTP. Your server might not be configured to send mail using this method.
User-Agent: PHP/5.4.16
Date: Mon, 23 May 2016 19:22:17 +0700
From: "Gotravindo" <test@gotravindo.com>
Return-Path: <test@gotravindo.com>
Reply-To: "Fathur" <fathuraw95@gmail.com>
To: fathur.rachman@siriuslabs.net
Subject: =?utf-8?Q?Forgot_Password_|_Gotravindo?=
X-Sender: test@gotravindo.com
X-Mailer: PHP/5.4.16
X-Priority: 1 (Highest)
Message-ID: <5742f5f9d5fd1@gotravindo.com>
Mime-Version: 1.0


Content-Type: multipart/alternative; boundary="B_ALT_5742f5f9d602a"

This is a multi-part message in MIME format.
Your email application may not support this format.

--B_ALT_5742f5f9d602a
Content-Type: text/plain; charset=utf-8
Content-Transfer-Encoding: 8bit

This is the alternative message


--B_ALT_5742f5f9d602a
Content-Type: text/html; charset=utf-8
Content-Transfer-Encoding: quoted-printable

This is an email from gotravindo.

--B_ALT_5742f5f9d602a--

What happened? I can't send any email if they hosted in zoho. Google, yahoo, outlook is fine.