Undelivered Mail Returned to Sender

Dear Support,

I have a major issue since I cannot deliver any email to the domain @cysec.gov.cy.

I have sent various emails to support asking their help.

Please advice.

Kind regards,

George Pitros

chairman@cysec.gov.cy INVALID_ADDRESS, ERROR_CODE :550, ERROR_CODE :5.7.1 <chairman@cysec.gov.cy>: Recipient address rejected: Please see http://www.openspf.net/Why?s=mfrom;id=gpitros%40dsavvideslaw.com;ip=136.143.188.52;r=promitheas4.pri.cytanet.com.cy

Reporting-MTA: dns; mx.zoho.com
Arrival-Date: Wed, 09 Oct 2019 11:34:59 +0300
Original-Recipient: rfc822; "CySEC_Chairman" <chairman@cysec.gov.cy>
Final-Recipient: rfc822; chairman@cysec.gov.cy
Status: 550
Action: failed
Last-Attempt-Date: 9 Oct 2019 08:35:10 GMT
Diagnostic-Code: chairman@cysec.gov.cy INVALID_ADDRESS, ERROR_CODE :550, ERROR_CODE :5.7.1 <chairman@cysec.gov.cy>: Recipient address rejected: Please see http://www.openspf.net/Why?s=mfrom;id=gpitros%40dsavvideslaw.com;ip=136.143.188.52;r=promitheas4.pri.cytanet.com.cy

Received:from mail.zoho.com by mx.zohomail.com
with SMTP id 1570610099381642.0565502384449; Wed, 9 Oct 2019 01:34:59 -0700 (PDT)
Message-ID:<16dafa834b3.12935be76434182.6185477584119492553@dsavvideslaw.com>
Date:Wed, 09 Oct 2019 11:34:59 +0300
From:George Pitros <gpitros@dsavvideslaw.com>
User-Agent:Zoho Mail
To:"CySEC_Chairman" <chairman@cysec.gov.cy>
Subject:ΣΥΝΕΔΡΙΕΣ 8/11 KAI 9/11
Content-Type:multipart/alternative;
boundary="----=_Part_1371979_277132261.1570610099379"