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Sponsor

  • 1 & 1 Internet SE
  • Adobe Systems Incorporated
  • AT&T
  • Bank of America
  • Cable Television Laboratories, Inc.
  • Comcast
  • Constant Contact, Inc.
  • Facebook
  • Google, LLC.
  • LinkedIn
  • Mailchimp
  • Microsoft Corporation
  • Orange
  • Proofpoint
  • SendGrid, Inc./Twilio
  • Vade
  • Validity, Inc.
  • Valimail
  • VeriSign, Inc.
  • Yahoo

Full Member

  • Acoustic, L.P.
  • Agora, Inc.
  • Amazon Web Services
  • Apple Inc.
  • Cisco Systems, Inc.
  • dotdigital
  • IBM
  • iContact / Campaigner
  • Inky Technology Corporation
  • Internet Initiative Japan (IIJ)
  • Liberty Global
  • Listrak
  • Litmus
  • Mailkit/Omnivery
  • Marigold
  • Mimecast
  • Oracle Marketing Cloud
  • OVHcloud
  • Posteo e.K.
  • Spamhaus
  • Splio

Supporter

  • Abusix, Inc.
  • Acronis
  • ActiveCampaign
  • Aegis Mobile LLC
  • Akamai Technologies
  • Anubisnetworks
  • Aptum Technologies
  • Atmail Pty Ltd
  • Attentive Mobile
  • Automattic Inc.
  • AWeber Communications
  • Backblaze, Inc
  • Bell Canada
  • BombBomb
  • Braze
  • Bytedance Inc
  • CakeMail Inc.
  • CallFire, Inc.
  • Capital One
  • CAUCE
  • Change.org
  • Charter Communications
  • ContactLab
  • ConvertKit
  • craigslist
  • Cvent, Inc.
  • DATEV eG
  • Delivra
  • Diennea
  • DigiCert, Inc.
  • DigitalOcean
  • DMARC Advisor
  • dmarcian, inc.
  • DNS-OARC
  • DOLIST.NET
  • DomainTools, LLC
  • DuoCircle LLC
  • Eastlink
  • eco Assoc. of the Internet Industry
  • Emarsys eMarketing Systems AG
  • Enterprise Messaging at US House of Representatives
  • Episerver GmbH
  • Epsilon
  • Excello s.r.o.
  • ExpertSender S.A.
  • Fastmail Pty Ltd
  • Gandi SAS
  • GetResponse
  • GoDaddy.com, LLC.
  • Groupon
  • Halon Security AB
  • Help Scout
  • Higher Logic
  • Hostopia
  • HubSpot
  • ICANN
  • Intercom
  • Internet Infrastructure Coalition (i2Coalition)
  • Internet Society
  • Inxmail GmbH
  • ISC
  • Iterable
  • JPMorgan Chase & Co.
  • Kajabi
  • Keap
  • Kickbox
  • Klaviyo Inc
  • Koli-Lõks OÜ
  • KPN
  • LA POSTE - BRANCHE NUMERIQUE
  • LACNIC
  • Leaseweb Global B.V.
  • Lumen
  • Mail.Ru Group
  • MailChannels
  • Mailerlite
  • MailerQ
  • MailUp
  • Mapp Digital
  • Match
  • Mediacom Communications Corporation
  • Merkle Inc.
  • MessageGears
  • NCTA
  • Netcore Cloud Pvt. Ltd.
  • NETSCOUT
  • Newfold Digital
  • NP6
  • Omeda
  • Omnisend
  • one.com Group AB
  • Open Systems AG
  • Open-Xchange, Inc.
  • Outreach.io
  • Postmastery
  • Qintel
  • QUALITIA Co., Ltd.
  • Rackspace
  • Rakuten Group, Inc.
  • Red Sift
  • REN-ISAC
  • Sarbacane Software
  • SaskTel
  • Scaleway
  • SecurityZONES
  • SendForensics
  • Seznam.cz, a.s.
  • Shopify
  • Signal Spam
  • Slack Technologies
  • SmartFocus
  • Smartsheet
  • SMTP2GO
  • SocketLabs
  • Sophos Ltd
  • Swisscom
  • Synacor, Inc.
  • Synchronoss
  • sys4 AG
  • TCS SOLUTIONS LTD.
  • TD Bank
  • TDC
  • The Shadowserver Foundation
  • TravelClick
  • Tucows Inc.
  • TwoFive, Inc
  • Verizon Wireless
  • wix
  • WMC Global
  • Word to the Wise
  • YouMail, Inc
  • ZeroFOX
  • ZOHO CORPORATION

Academic Institution

  • Software Engineering Institute
  • University of Wisconsin-Madison

Nonprofit Institution

  • American Registry for Internet Numbers (ARIN)
  • CERT-EE
  • DNS Research Federation
  • Global Cyber Alliance
  • Internet Archive
  • Internet users forever IKI
  • JPCERT Coordination Center
  • Number Resource Organization (NRO)
  • Quad9
  • Somos, Inc.
  • SURBL BV
  • The World Bank
  • Trusted Domain Project