block specific domain types - spam

[Imran Sheriff]

Hi Guys,

i was wondering is i can blcok specific domain types, since of late i kee getting lots of spam from the below domain extentions, is it possible to block these domains types

.science
.top
.place

we currently only use .com / .net / .biz. co and so on, so fance domains!

cheers
imran

[Imran Sheriff]

Return-Path: blake.shelton@ikduezod6.freebooksnow.science
Received: from mxcloud.mydomain.com (LHLO mxcloud.mydomain.com) (127.0.0.1)
by mxcloud.mydomain.com with LMTP; Fri, 15 Apr 2016 14:09:45 +0000 (UTC)
Received: from localhost (mxcloud.mydomain.com [127.0.0.1])
by mxcloud.mydomain.com (Postfix) with ESMTP id 80A501127D0;
Fri, 15 Apr 2016 14:09:45 +0000 (UTC)
Received: from mxcloud.mydomain.com ([127.0.0.1])
by localhost (mxcloud.mydomain.com [127.0.0.1]) (amavisd-new, port 10032)
with ESMTP id ozn1N2cs0k7W; Fri, 15 Apr 2016 14:09:45 +0000 (UTC)
Received: from mxcloud.mydomain.com (mxcloud.mydomain.com [127.0.0.1])
by mxcloud.mydomain.com (Postfix) with ESMTPS id 50C1F1127D1;
Fri, 15 Apr 2016 14:09:45 +0000 (UTC)
Received: from ScrolloutF1.mydomain.com (mx1.mydomain.com [20.20.20.20])
by mxcloud.mydomain.com (Postfix) with ESMTPS id 3351F1127D0
for imran@mydomain.com; Fri, 15 Apr 2016 14:09:44 +0000 (UTC)
Received: by ScrolloutF1.mydomain.com (Postfix, from userid 65534)
id 3qmfYg2SNcz4wxC; Fri, 15 Apr 2016 19:39:43 +0530 (IST)
Received: from localhost (localhost [127.0.0.1])
by ScrolloutF1.mydomain.com (Postfix) with ESMTP id 3qmfYf56Yrz4wwZ
for imran@mydomain.com; Fri, 15 Apr 2016 19:39:42 +0530 (IST)
X-Virus-Scanned: Scrollout F1 at mydomain.com
Received: from ScrolloutF1.mydomain.com ([127.0.0.1])
by localhost (ScrolloutF1.mydomain.com [127.0.0.1]) (amavisd-new, port 10024)
with LMTP id W_PQEmETzYAv for imran@mydomain.com;
Fri, 15 Apr 2016 19:39:40 +0530 (IST)
Received: from ikduezod6.freebooksnow.science (unknown [85.206.175.100])
by ScrolloutF1.mydomain.com (Postfix) with ESMTP id 3qmfYc3K96z4wvq
for imran@mydomain.com; Fri, 15 Apr 2016 19:39:39 +0530 (IST)
Date: Fri, 15 Apr 2016 07:10:26 -0700
Subject: Gwen Stefani tells Ellen Blake Shelton's dramatic weight loss secrets
From: Blake Shelton Blake.Shelton@ikduezod6.freebooksnow.science
To: imran@mydomain.com
Mime-Version: 1.0
Message-ID: 14194213-Deictic24659841-1d11c16c3d5d589f7405b6d23e8684ecimran@mydomain.com
Content-Type: multipart/alternative; boundary="14194213_24659841_14194213"
Content-Transfer-Encoding: 7bit

--14194213_24659841_14194213
Content-Type: text/plain

[Imran Sheriff]

as you can see i keep getting tons of these emails, and its not only me my entire domain, its so damn annoying and clutters, some gets marked as spam but still it comes in!

[Imran Sheriff]

another one, it keeps going on and on!

Return-Path: localvoipdeals@ashngyu9o.homesforsale.science
Received: from mxcloud.mydomain.com (LHLO mxcloud.mydomain.com) (127.0.0.1)
by mxcloud.mydomain.com with LMTP; Fri, 15 Apr 2016 14:13:38 +0000 (UTC)
Received: from localhost (mxcloud.mydomain.com [127.0.0.1])
by mxcloud.mydomain.com (Postfix) with ESMTP id 44CF31127D0;
Fri, 15 Apr 2016 14:13:38 +0000 (UTC)
Received: from mxcloud.mydomain.com ([127.0.0.1])
by localhost (mxcloud.mydomain.com [127.0.0.1]) (amavisd-new, port 10032)
with ESMTP id Afhs0mQIdRKY; Fri, 15 Apr 2016 14:13:38 +0000 (UTC)
Received: from mxcloud.mydomain.com (mxcloud.mydomain.com [127.0.0.1])
by mxcloud.mydomain.com (Postfix) with ESMTPS id 166841127D4;
Fri, 15 Apr 2016 14:13:38 +0000 (UTC)
Received: from ScrolloutF1.mydomain.com (mx1.mydomain.com [10.10.10.10])
by mxcloud.mydomain.com (Postfix) with ESMTPS id E24451127D0
for imran@mydomain.com; Fri, 15 Apr 2016 14:13:37 +0000 (UTC)
Received: by ScrolloutF1.mydomain.com (Postfix, from userid 65534)
id 3qmff933DMz4wxK; Fri, 15 Apr 2016 19:43:37 +0530 (IST)
Received: from localhost (localhost [127.0.0.1])
by ScrolloutF1.mydomain.com (Postfix) with ESMTP id 3qmff91J4Pz4wx0
for imran@mydomain.com; Fri, 15 Apr 2016 19:43:37 +0530 (IST)
X-Virus-Scanned: Scrollout F1 at mydomain.com
Received: from ScrolloutF1.mydomain.com ([127.0.0.1])
by localhost (ScrolloutF1.mydomain.com [127.0.0.1]) (amavisd-new, port 10024)
with LMTP id 2ochGssXJPJe for imran@mydomain.com;
Fri, 15 Apr 2016 19:43:35 +0530 (IST)
Received: from ashngyu9o.homesforsale.science (unknown [85.206.175.101])
by ScrolloutF1.mydomain.com (Postfix) with ESMTP id 3qmff74ZvWz4wvq
for imran@mydomain.com; Fri, 15 Apr 2016 19:43:35 +0530 (IST)
Date: Fri, 15 Apr 2016 07:14:25 -0700
Pointy-toed: 7674144_1d11c16c3d5d589f7405b6d23e8684ec-20196059
To: imran@mydomain.com
From: Local VoIP Deals LocalVoIPDeals@ashngyu9o.homesforsale.science
Message-ID: 1d11c16c3d5d589f7405b6d23e8684ec.Affixed.Physical.imran@mydomain.com
Subject: Local Options for VoIP services
Content-Type: multipart/alternative; boundary="7674144_20196059_7674144"
Mime-Version: 1.0
Content-Transfer-Encoding: 7bit