My

My domain is hosted by Freeola. My Theme is Onetone. - I am receiving the following message when anyone fills in the email box on my site can you advice in simple terms what the problem is and how I put it right please:slight_smile: thank you

This message was created automatically by mail delivery software.
A message that you sent could not be delivered to one or more of its
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upholsterycoursesuk@yahoo.co.uk
SMTP error from remote mail server after end of data:
host mx-eu.mail.am0.yahoodns.net [188.125.69.79]:
554 5.7.9 Message not accepted for policy reasons. See https://help.yahoo.com/kb/postmaster/SLN7253.html

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for upholsterycoursesuk@yahoo.co.uk; Sun, 28 Aug 2016 08:43:01 +0100
To: upholsterycoursesuk@yahoo.co.uk
Subject: From Sam test
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Date: Sun, 28 Aug 2016 07:42:35 +0000
From: Sam test <upholsterycoursesuk@yahoo.co.uk>
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Message-ID: <cfbe7a704b5cec179ad996471d22b9bc@www.upholsterycoursesonline.com>
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Name: Sam test

Email: Sam.g2@btinternet.com

Message: Test2