MainSleaze

Seolocation Oy (biz reg, responsible people) are really persistent B2B spammers.

They’re also listed by Suomispam.

$ host -t txt afton.fi.dbl.suomispam.net
afton.fi.dbl.suomispam.net descriptive text "20170411 "
$ host -t txt aftonvideopalvelu.fi.dbl.suomispam.net
aftonvideopalvelu.fi.dbl.suomispam.net descriptive text "20170320 "

Received: from o1678964x219.outbound-mail.sendgrid.net
        (o1678964x219.outbound-mail.sendgrid.net [167.89.64.219])
        for x; Wed,  8 Feb 2017 06:04:29 +0100 (CET)

Terminated by SendGrid.

Received: from o165.p9.mailjet.com (o165.p9.mailjet.com [87.253.234.165])
        for x; Thu, 16 Mar 2017 14:29:52 +0200 (EET)

Terminated by Mailjet.

Received: from az.d.mailin.fr (az.d.mailin.fr [185.41.28.26])
        for x; Wed, 29 Mar 2017 06:11:19 +0200 (CEST)

Terminated by SendinBlue.

Received: from mta-7.delta.getresponse.com (mta-7.delta.getresponse.com
        [104.160.67.134])
        for x; Tue,  4 Apr 2017 06:41:10 +0100 (BST)

Terminated by GetResponse.

Received: from smtp88.linksvr95.com (smtp88.linksvr95.com [104.245.5.216])
        for x; Tue, 11 Apr 2017 08:48:50 +0100 (BST)

Suppose they were terminated by ClickBack, because

Received: from a8-90.smtp-out.amazonses.com (a8-90.smtp-out.amazonses.com
        [54.240.8.90])
        for x; Mon, 22 May 2017 06:24:00 +0300 (EEST)

Soon to be terminated by Amazon SES.