Sponsor
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1 & 1 Internet SE
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Adobe Systems Incorporated
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AT&T
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Bank of America
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Cable Television Laboratories, Inc.
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Comcast
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Constant Contact, Inc.
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Facebook
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Google, Inc.
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LinkedIn
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Mailchimp
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Microsoft Corporation
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Orange
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Pathwire
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Proofpoint
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SendGrid, Inc./Twilio
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Vade Secure
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Validity, Inc.
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Valimail
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VeriSign, Inc.
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Yahoo
Full Member
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Acoustic, L.P.
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Agora, Inc.
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Apple Inc.
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Cisco Systems, Inc.
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CM Group
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dotdigital
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IBM
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iContact / Campaigner
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Inky Technology Corporation
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Internet Initiative Japan (IIJ)
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Liberty Global
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Listrak
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Litmus
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Mimecast
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Oracle Marketing Cloud
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OVHcloud
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Posteo e.K.
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Rackspace
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Spamhaus
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Splio
Supporter
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Abusix, Inc.
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Acronis
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ActiveCampaign
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AdaptiveMobile Security
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Akamai Technologies
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Alibaba Cloud Computing
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Amazon Web Services
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Anubisnetworks
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Aptum Technologies
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Atmail Pty Ltd
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Automattic Inc.
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AWeber Communications
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Bandwidth
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Bell Canada
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Bolster
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BombBomb
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Braze
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Bytedance Inc
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CakeMail Inc.
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CallFire, Inc.
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Capital One
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CAUCE
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Change.org
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Charter Communications
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ContactLab
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ConvertKit
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craigslist
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Cvent, Inc.
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Cyren
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DATEV eG
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Diennea
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DigiCert, Inc.
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DigitalOcean
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DMARC Advisor
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dmarcian, inc.
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DNS-OARC
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DOLIST.NET
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DuoCircle LLC
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Eastlink
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eco Assoc. of the Internet Industry
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Emarsys eMarketing Systems AG
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Enterprise Messaging at US House of Representatives
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Episerver GmbH
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Epsilon
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Excello s.r.o.
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ExpertSender S.A.
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Farsight Security, Inc.
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FastMail Pty Ltd
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First Orion - PrivacyStar
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Fraudmarc
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Gandi SAS
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General Communication, Inc
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GetResponse
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GitHub
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GoDaddy.com, LLC.
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Groupon
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Halon Security AB
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Higher Logic
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Hostopia
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HubSpot
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ICANN
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Inbox Marketer Corporation
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Intercom
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International Computer Science Institute
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Internet Infrastructure Coalition (i2Coalition)
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Internet Society
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invaluement
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Inxmail GmbH
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ISC
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Iterable
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Jack Henry & Associates
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JPMorgan Chase & Co.
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Keap
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Kickbox
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Klaviyo Inc
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Koli-Lõks OÜ
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KPMG, LLP
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KPN
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LA POSTE - BRANCHE NUMERIQUE
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LACNIC
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Leaseweb Global B.V.
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Lumen
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Mail.Ru Group
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MailChannels
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Mailerlite
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MailerQ
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Mailkit
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MailUp
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Maropost
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Match
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Mediacom Communications Corporation
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Merkle Inc.
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MessageGears
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NCTA
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NETSCOUT
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NeuStar, Inc.
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Newfold Digital
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NP6
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Omeda
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Omnisend
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one.com
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Open Systems AG
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Open-Xchange, Inc.
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Postmastery
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Qintel
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QUALITIA Co., Ltd.
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Rakuten, Inc.
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REN-ISAC
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Sarbacane Software
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Scaleway
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SecurityZONES
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Selligent
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SendForensics
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Seznam.cz, a.s.
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Shopify
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Signal Spam
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Slack Technologies
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SmartFocus
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Smartsheet
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SMTP2GO
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SocketLabs
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Sophos Ltd
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Swisscom
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Synacor, Inc.
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Synchronoss
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sys4 AG
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T-Mobile
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TCS SOLUTIONS LTD.
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TD Bank
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TDC
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The Shadowserver Foundation
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TravelClick
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Tucows Inc.
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TwoFive, Inc
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Verizon Wireless
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wix
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YouMail, Inc
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ZeroFOX
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Zetalytics LLC
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ZipDX LLC
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ZOHO CORPORATION
Academic Institution
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Software Engineering Institute
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University of Wisconsin-Madison
Nonprofit Institution
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American Registry for Internet Numbers (ARIN)
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CERT-EE
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Global Cyber Alliance
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internet archive
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Internet users forever IKI
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JPCERT Coordination Center
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Number Resource Organization (NRO)
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Somos, Inc.
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SURBL BV
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Trusted Domain Project