Odd email received from my Plusnet hosted site via catchall

[#1]

Subject Suspicious part has been deleted :More scans
Details

Quote

Content-Type: multipart/alternative; boundary="----=_NextPart_000_005E_01D15F33.B88F39A0" Return-Path: <admin@mysite.co.uk> Envelope-to: OKljfoster@mysite.co.uk Delivery-date: Thu, 04 Feb 2016 09:44:28 +0000 Received: from [212.159.9.108] (helo=avasin08.plus.net)  by inmx08.plus.net with esmtp (PlusNet MXCore v2.00) id 1aRGSh-0006vB-UA  for OKljfoster@mysite.co.uk; Thu, 04 Feb 2016 09:44:27 +0000 Received: from [202.62.67.162] ([202.62.67.162]) by avasin08.plus.net with Plusnet Cloudmark Gateway id E9kP1s00b3W3Jsy019kTCF; Thu, 04 Feb 2016 09:44:27 +0000 X-CM-Score: 0.00 X-CNFS-Analysis: v=2.1 cv=Sf8KDalu c=1 sm=1 tr=0 a=nEXZsWFVG3KxrDgNcEF7uA==:117 a=nEXZsWFVG3KxrDgNcEF7uA==:17 a=L9H7d07YOLsA:10 a=9cW_t1CCXrUA:10 a=s5jvgZ67dGcA:10 a=DAwyPP_o2Byb1YXLmDAA:9 a=48wXtBILTfqvn6cnewIA:9 a=CjuIK1q_8ugA:10 a=yMhMjlubAAAA:8 a=SSmOFEACAAAA:8 a=gqxzx4B_9rocypAnXakA:9 a=gKO2Hq4RSVkA:10 a=UiCQ7L4-1S4A:10 a=hTZeC7Yk6K0A:10 a=frz4AuCg-hUA:10 a=tcQiEYtorwirKQ4N1bwA:9 From: "admin" <admin@mysite.co.uk> To: <OKljfoster@mysite.co.uk> Date: Thu, 04 Feb 2016 15:14:23 +0530 Message-ID: <000301D015D0$94bbd1f0$be3375d0$@mysite.co.uk> MIME-Version: 1.0 X-MimeOLE: Produced By Microsoft MimeOLE V6.1.7601.17609 X-Mailer: Microsoft Outlook 14.0

[#2]

I'm getting quite a few 'More Scans' emails at the moment. Spam filter seems to be letting them through too.

[#3]

Quote from: minkey

I'm getting quite a few 'More Scans' emails at the moment.

... had one of those earlier today, though curiously was to the Yahoo sign-up address (to which there have been several random e-mails in recent days).