Actually Microsoft did something: after reporting any of the spamming hosts hosted by Azure belonging to the AAMC house of spamming rats they may have taken down since every spam run I got after was originated from a different IP address.
Same goes for the spamming assholes at Wowrack.com, my old date spam companions since years (not over numbering, it is years they go on sending me their crap): the last one I reported was this one
ARC-Authentication-Results: i=1; mx.google.com;
spf=pass (google.com: best guess record for domain of nvrkhlhohoras@fantomiil-1.australiacentral.cloudapp.azure.com designates 13.79.243.243 as permitted sender) smtp.mailfrom=nvRkHLhoHOraS@fantomiil-1.australiacentral.cloudapp.azure.com
Return-Path: <nvRkHLhoHOraS@fantomiil-1.australiacentral.cloudapp.azure.com>
Received: from a7vp.j9glM2hEsnKgKqRD.COM (bqsqtintn-14.northeurope.cloudapp.azure.com. [13.79.243.243])
by mx.google.com with ESMTP id z4si2987582wmi.27.2020.11.11.10.13.22
for <xxx.xxx@gmail.com>;
Wed, 11 Nov 2020 10:13:22 -0800 (PST)
Received-SPF: pass (google.com: best guess record for domain of nvrkhlhohoras@fantomiil-1.australiacentral.cloudapp.azure.com designates 13.79.243.243 as permitted sender) client-ip=13.79.243.243;
Authentication-Results: mx.google.com;
spf=pass (google.com: best guess record for domain of nvrkhlhohoras@fantomiil-1.australiacentral.cloudapp.azure.com designates 13.79.243.243 as permitted sender) smtp.mailfrom=nvRkHLhoHOraS@fantomiil-1.australiacentral.cloudapp.azure.com
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List-Unsubscribe: <zMqRVfXQsini-hPIgoLQwVVoQ@[dom]>
From: "Melania" <xxx.xxx.zNDxUaxOIVsY@RpiLylERPzCP.edu.se>
Date: [Date]
Subject: CONFIRM YOUR "UNSUBSCIBE" PLEASE xxx.xxx.
and seemed to hit since on the following spam run they came back using their german spamming rats associates, xsserver.gmbh: this is a sample of two days ago
Delivered-To: xxx.xxx@gmail.com
Received: by 2002:ac9:686:0:0:0:0:0 with SMTP id o6csp292041oco;
Tue, 10 Nov 2020 21:19:53 -0800 (PST)
X-Google-Smtp-Source: ABdhPJztzuLv5vnsJfVUnMWp3RtQyNHtoS7WajK+8o7FBtLUZRW3u29YCqyBD11SIxCZk0tk518g
X-Received: by 2002:adf:f246:: with SMTP id b6mr27298463wrp.111.1605071993246;
Tue, 10 Nov 2020 21:19:53 -0800 (PST)
ARC-Seal: i=1; a=rsa-sha256; t=1605071993; cv=none;
d=google.com; s=arc-20160816;
b=bZNM3+3jdF4rkMz9lTocNi2BVWO3/gf+prBqKbx+TqakiDF2hxVGc2GBa/Devw/mAP
ZEGwezR+ndZ9wENzeRUeRh1/EwpyoUOn9/pZi6E8FuwLHh6Pcjoen2KPj0lZOdKzJ679
c71MTrZxgJwKt/R0ZfuOVuvwijXPPCapENDVMBEjZhlDRfbiJLKFbiqaRhTMJW0YkMTn
PTCHgqaId7e6QsiJ+UGS9NpY1O+xNCzV01hUfq1AIUa2+ekTcinJXFxVTtNTaxkNnP5/
lJ7P7pSrtg7MVt3HF3pVLA8W5BCnJoPpnZWPkwOySy2prcZxOg5AkRiM6iS9fAm/eFWe
0ueg==
ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816;
h=message-id:to:subject:date:from:list-unsubscribe
:domainkey-signature:dkim-signature;
bh=FcDs18rHaqo4LJ7x5Wp9kyyTbjq22dbZ7+yVDxCfJIo=;
b=da6yXO+HBBgxvJqd22/cKrI0fjx6ge07ExSDX5EWJ13GhwroTnm3/P5sCwLmhbh1eU
A+csULMWjSPniqdDsW0dHFHvhSM25I4mkQe509x6aqyX+E3Enf0uIAsUhPsBZnwjWRta
VXj7Yb0Ofm0ZXd8nqKTjv5eMoIGklFR0Yaez1mSjyhHkvHB1CbpyFLHRESeXZDhXZ+f5
rdWQxevaxOrmV8AG/a1f9zb+YkVAgIXzSTAg+D8ft01na1C8mNNlac+usfoI/Vn1FNmQ
IYXz3IwgNXsK0m/uxpcnoPlaKK/Pxjjle2qMFqxbyvXcVqldI3mTJzJB4KBS8wf1o/Qt
a/ZQ==
ARC-Authentication-Results: i=1; mx.google.com;
dkim=pass header.i=@spotnika.com header.s=mail header.b=jrWGr7Fx;
spf=neutral (google.com: 195.62.46.23 is neither permitted nor denied by best guess record for domain of abuse@chacha.com) smtp.mailfrom=abuse@chacha.com
Return-Path: <abuse@chacha.com>
Received: from spotnika.com (spotnika.com. [195.62.46.23])
by mx.google.com with ESMTP id x184si1107042wmx.89.2020.11.10.21.19.52
for <xxx.xxx@gmail.com>;
Tue, 10 Nov 2020 21:19:53 -0800 (PST)
Received-SPF: neutral (google.com: 195.62.46.23 is neither permitted nor denied by best guess record for domain of abuse@chacha.com) client-ip=195.62.46.23;
Authentication-Results: mx.google.com;
dkim=pass header.i=@spotnika.com header.s=mail header.b=jrWGr7Fx;
spf=neutral (google.com: 195.62.46.23 is neither permitted nor denied by best guess record for domain of abuse@chacha.com) smtp.mailfrom=abuse@chacha.com
DKIM-Signature: v=1; a=rsa-sha1; c=relaxed/relaxed; s=mail; d=spotnika.com;
h=List-Unsubscribe:From:Date:Subject:To:Message-Id:Content-Type; i=replyin@spotnika.com;
bh=V07rnCA3cx7MJcl9lmTySlHt7EU=;
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fBhzb5vgGx5fMQMZMlNoPrqWnYOlBHLBqXZaOqje+y+SaLb+Tri9zRHq6NM4X7U8RQraJ0pl4xRR
KBPzlAN5XRIG/7DTi9Q=
DomainKey-Signature: a=rsa-sha1; c=nofws; q=dns; s=mail; d=spotnika.com;
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ol0wFV/akOFWQcBfrdj7d2xwidZizqIHHWPnM84EaT4nAPpj8ci16v6FaBrVsUdvPZzYWte/2w7r
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From: LawsuitWinning <replyin@spotnika.com>
Date: Tue, 10 Nov 2020 14:35:58 -0600
Subject: Boy Scouts Abuse Victims, Read This! Free Legal Review and Potential Compensation
To: xxx.xxx@gmail.com
Message-Id: <Ukvp3bFB8gLt3ZzBr-KLo7x3HcafaJ@spotnika.com>
X-EMMAIL: xxx.xxx@spotnika.com
Content-Type: text/html; charset=utf-8