We're using Gmail to host our email. We're getting a delivery fail for emails sent to wp.pl. Just about the most popular email address for Polish people in Ireland.

Any clues as to why this might Fail?
Delivery failure message below.



This is an automatically generated Delivery Status Notification

Delivery to the following recipient failed permanently:

user@wp.pl

Technical details of permanent failure:
PERM_FAILURE: SMTP Error (state 12): 550 BLAD SPF - zobacz strone / SPF Error: Received-SPF: neutral (smtp.wp.pl: 209.85.198.187 is neither permitted nor denied by domain of ourco.ie) client-ip=209.85.198.187; envelope-from=info@ourco.ie; Jesli jestes uzytkownikiem Poczta - Wirtualna Polska - Darmowe, bezpieczne konta e-mail sprawdz poprawnosc autoryzacji SMTP / If you are a Poczta - Wirtualna Polska - Darmowe, bezpieczne konta e-mail user check SMTP configuration: Autoryzacja SMTP - Wirtualna Polska

----- Original message -----

Received: by 10.141.145.11 with SMTP id x11mr3206060rvn.115.1201954873008;
Sat, 02 Feb 2008 04:21:13 -0800 (PST)
Received: by 10.140.135.2 with HTTP; Sat, 2 Feb 2008 04:21:12 -0800 (PST)
Message-ID: <804834b10802020421q371eafd7nc201084150dca5ed@mail. gmail.com>
Date: Sat, 2 Feb 2008 12:21:12 +0000
From: "info@ourco.ie" <info@ourco.ie>
To: user@wp.pl
Subject: Re: [Contact Us] tax credits
In-Reply-To: <20080201230914.5943C50590@prospect.joyent.us>
MIME-Version: 1.0
Content-Type: multipart/mixed;
boundary="----=_Part_36623_10822529.1201954872999"
References: <20080201230914.5943C50590@prospect.joyent.us>

------=_Part_36623_10822529.1201954872999
Content-Type: multipart/alternative;
boundary="----=_Part_36624_19882828.1201954872999"

------=_Part_36624_19882828.1201954872999
Content-Type: text/plain; charset=ISO-8859-1
Content-Transfer-Encoding: 7bit
Content-Disposition: inline

Kasia,

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