Question Can I stop mail from being sent as me (spam)?

[XCore]

I don't know if it's even possible but I'm getting email "From" an address matching my mailserver. Any help on how to prevent this is greatly appreciated; Below is the fill header of one of the messages. Thank you!

Received: from MBX083-W1-CO-1.EXCH083.mailserver.net (10.224.171.44) by
 MBX083-W1-CO-4.EXCH083.mailserver.net (10.224.171.47) with Microsoft SMTP
 Server (TLS) id 15.0.1178.4 via Mailbox Transport; Tue, 9 May 2017 05:13:42
 -0700
Received: from CAS083-CO-5.EXCH083.mailserver.net (10.224.171.24) by
 MBX083-W1-CO-1.EXCH083.mailserver.net (10.224.171.44) with Microsoft SMTP
 Server (TLS) id 15.0.1178.4; Tue, 9 May 2017 05:13:42 -0700
Received: from exmf083-va-1.mailserver.net (10.216.238.114) by
 CAS083-CO-5.EXCH083.mailserver.net (10.224.171.25) with Microsoft SMTP Server
 (TLS) id 15.0.1178.4 via Frontend Transport; Tue, 9 May 2017 05:13:42 -0700
Received: from localhost (localhost.localdomain [127.0.0.1])
    by smtp.exch083.serverdata.net (Postfix) with ESMTP id A20D71AED
    for <[email protected]>; Tue,  9 May 2017 05:13:41 -0700 (PDT)
X-Relayed-From: 209.85.218.48
X-Relayed-From-Added: Yes
X-Virus-Scanned: by amavisd-new at exmf083-va-1.mailserver.net
X-Spam-Flag: NO
X-Spam-Score: 0
X-Spam-Level:
X-Spam-Status: No, score=x tagged_above=-999 required=1 WHITELISTED tests=[]
    autolearn=unavailable
Received: from exmf083-va-1.mailserver.net ([127.0.0.1])
    by localhost (exmf083-va-1.mailserver.net [127.0.0.1]) (amavisd-new, port 10024)
    with ESMTP id SjwkTq-K_2vg for <[email protected]>;
    Tue,  9 May 2017 05:13:41 -0700 (PDT)
Received: from mail-oi0-f48.google.com (mail-oi0-f48.google.com [209.85.218.48])
    (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits))
    (No client certificate requested)
    by smtp.exch083.serverdata.net (Postfix) with ESMTPS id 647C61A3D
    for <[email protected]>; Tue,  9 May 2017 05:13:41 -0700 (PDT)
Received: by mail-oi0-f48.google.com with SMTP id b204so84325915oii.1
        for <[email protected]>; Tue, 09 May 2017 05:13:41 -0700 (PDT)
X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
        d=1e100.net; s=20161025;
        h=x-original-authentication-results:x-gm-message-state:delivered-to
         :delivered-to:subject:from:to:message-id:content-transfer-encoding
         :date;
        bh=DHTaT4vb9pei2qciNhMJB9kDpCtE/EGKyVK72ZPRhbg=;
        b=dtqG7SodcGZ+hte7FpnMXVcXQpFk79Gh7QJCoERcJTta7vVQIhEtdcZrhOV1sT2gCY
         xwRXzgQOpZO/dtGptjACLBuBxbuN13z2n1evYyKXb91Avbdl7Nu0ssAKs8+MeiMxoQ6S
         allQov8rFNNJNqp72P/cbE+tTJ661UR0uyMqU2QxiYBw6KSkPyZeBScvxaEacJUHrDoG
         CiQZTZf+3ifPuKL8FMGssRk4CarHqecwf4lFiaKy8/hKTLfjkF2fx9j157/Kvd0TMplW
         B6Bb3evgT6ALq9WgH5AdSe0MG4NbmWzpPa/f5wp7gHNS9hdwL0XcQJCUAmU28mMRtTY9
         9eKQ==
X-Original-Authentication-Results: mx.google.com;       spf=pass (google.com: domain of [email protected] designates 198.198.88.94 as permitted sender) [email protected]
X-Gm-Message-State: AN3rC/6nddJErHv3QCI4xOJpKt2fEodNgCvjXdLHweTGc3fD/rd2jbaF
    7E0Hrsr9epX9BuvFJECg6AHu/GFyGLvUvxnhXfzoJw==
X-Received: by 10.202.72.17 with SMTP id v17mr11367735oia.78.1494332020928;
        Tue, 09 May 2017 05:13:40 -0700 (PDT)
X-Forwarded-To: [email protected]
X-Forwarded-For: [email protected] [email protected]
Delivered-To: [email protected]
Received: by 10.182.153.202 with SMTP id vi10csp1855724obb;
        Tue, 9 May 2017 05:13:40 -0700 (PDT)
X-Received: by 10.37.122.199 with SMTP id v190mr15265659ybc.40.1494332020329;
        Tue, 09 May 2017 05:13:40 -0700 (PDT)
ARC-Seal: i=1; a=rsa-sha256; t=1494332020; cv=none;
        d=google.com; s=arc-20160816;
        b=jn2wbooUe/Y0zI/utdFepZy3KWR/M61NrUPuUygE7adUV34mmKT+s11qaoA4rtIijq
         tdE8rkHhXVENF6spUJRD/EnXUonmoy7y+JcN8R8IVJE2eLGfDSMJ8ltBrOrx9z3bt/j5
         qt8I0OhYiTEOL/cjIFAKPfkX4yS4LE1UwXFUo0sAIIcnnKCvQBa/a3TQ6PN8A3HFAiuS
         b/HO4oltDgv7o+F+SV6GZxu3Tm6Ok+yGPUK+38De/QLk8vYESZnWdcmV9MLjQNxFUmwa
         AfhbyxZghWu8m7Pfzc6fxs97mjieTbet7lxAWYuzt2fh5tYs1VLVEE1gFpF+kMNYk6iA
         vqxQ==
ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816;
        h=date:content-transfer-encoding:message-id:to:from:subject
         :delivered-to:arc-authentication-results;
        bh=DHTaT4vb9pei2qciNhMJB9kDpCtE/EGKyVK72ZPRhbg=;
        b=ptUqaQEkAC1IVFPQOe8eY6Apqp8lVDfKY93eA+8YTwqKKOoHCVOB9ymONpkNbX8qkk
         QgELI6mtQki0KZKxFh+be1VUDuAhyfrbAhoDh4BZbyfgyWdq6YZliS8I/+F38yA9kSxH
         /re9ksnLLvT03U2KvtiHb5soX+fMfDORC4gZaNjC3bLPF92Qxxg/fgcqRvRKVJzo8Kao
         tBCnvmvzkgbeJBqXzwhoB4IgpQa6vErLBwnYIxNMP+KtHkPtyW4VUAufRbBqBz2KBcZ+
         UAkMTVkePZda9V1r4B6nLr3QSKkFdonU4Bhtxl8n67BDaCo0Ga2UIEau+uEVsdOyhb2z
         yI+w==
ARC-Authentication-Results: i=1; mx.google.com;
       spf=pass (google.com: domain of [email protected] designates 198.198.88.94 as permitted sender) [email protected]
Received: from mail.mymailservers.com (mail.mymailservers.com. [198.198.88.94])
        by mx.google.com with ESMTPS id p72si3595188ybg.168.2017.05.09.05.13.40
        for <[email protected]>
        (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128);
        Tue, 09 May 2017 05:13:40 -0700 (PDT)
Received-SPF: pass (google.com: domain of [email protected] designates 198.198.88.94 as permitted sender) client-ip=198.198.88.94;
Authentication-Results: mx.google.com;
       spf=pass (google.com: domain of [email protected] designates 198.198.88.94 as permitted sender) [email protected]
Received: by mail.mymailservers.com (Postfix, from userid 30)
    id C7E5422614FF; Tue,  9 May 2017 08:13:09 -0400 (EDT)
X-Original-To: [email protected]
Delivered-To: [email protected]
Received: from hmx.de (unknown [49.140.219.236])
    by mail.mymailservers.com (Postfix) with ESMTP id 8DE7122614E5
    for <[email protected]>; Tue,  9 May 2017 08:13:08 -0400 (EDT)
X-Message-Info: 3uHJeF11Wxsbhm4cMhQ0BG3uDjumwT03
Received: from dns0.hmx.de ([58.40.234.226]) by xi5-o4.hmx.de with Microsoft SMTPSVC(5.0.2195.6824);
     Tue, 09 May 2017 12:13:20 -00
Received: from anr.hmx.de [127.0.0.1] by dns3.hmx.de
  (SMTPD32-7.12     ) id FU870662A1; Tue, 09 May 2017 12:13:20 -00
Subject: Re: Best DrugsStore with Top tablets
From: <[email protected]>
To: <[email protected]>
Message-ID: <[email protected]>
Content-Type: text/html
Content-Transfer-Encoding: quoted-printable
Date: Tue, 9 May 2017 08:13:09 -0400
X-CMAE-Verdict: spam
X-CMAE-Score: 100
X-CMAE-Analysis: v=2.2 cv=UbgTc+aN c=1 sm=1 tr=0 p=1M4O9pFZAAAA:8
    p=9SHGOAtxAAAA:20 p=pIhlgFDTtsecrt-IFoAA:9 p=8FZHKBW6sd8A:10
    a=uB6qr+KF+w99YtxYp3i8Zg==:117 a=zDP0CCCUJDqsxfrvTBfjUA==:17
    a=tJ8p9aeEuA8A:10 a=-FEs8UIgK8oA:10 a=NWVoK91CQyQA:10
    a=BlocZrspfrwicNwu_iT3:22
Return-Path: [email protected]
MIME-Version: 1.0
X-MS-Exchange-Organization-Network-Message-Id: 6700ba70-f787-4d08-429f-08d496d4d542
X-MS-Exchange-Organization-AuthSource: CAS083-CO-5.EXCH083.mailserver.net
X-MS-Exchange-Organization-AuthAs: Anonymous
X-EsetId: 37303A2963E83B6A667761