Mail rejected by destination domain

Mail rejected by destination domain

Hello everyone,

I' trying to send email drom t akis@nevma.gr to c ontact@wpgreece.org and I get the following error:

       host mx.zoho.com [204.141.32.121]
      SMTP error from remote mail server after RCPT TO:<contact@wpgreece.org>:
      541 5.4.1 Mail rejected by destination domain


Could you please  modified the spam filters to accept my email?

Best regard

Zoe