Facebook hosted a DMARC interoperability event earlier this week. In terms of protocol development, interoperability events are a sign that the protocol is ready for more widespread use.
DMARC is a layer built on email authentication (SPF and DKIM) that provides brands with the ability to control use of their domains in email.
Hotmail has released a new version of their software with some changes. Return Path discusses the changes in depth, but there are a couple that senders may find helpful.
Read MoreToday Return Path announced a partnership with Symantec to improve their anti-phishing product. Return Path is incorporating the Symantec Trusted Domain List into their authentication and filtering product to help customers protect their brands. Press Release
Phishing scams affect everyone, and having a brand that is used in phishing can reduce consumer trust in that brand. Protecting brands in email has been one of the more difficult challenges facing the email community. With the adoption of DKIM and DMARC by major brands and ISPs it has become easier to track and address phishing.
Cloudmark has an interesting blog post pointing out some of the challenges of signing mail with DKIM in a large company with a diverse mail system.
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