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Starting March, 1 2016 Mail.Ru begins to implement restrictive DMARC policy for public mailbox domains with my.com being the first domain to publish p=reject policy. Please make sure to update configuration if you need special handling for DMARC-restrictive domains. In future, policy will be...

What is ARC? When an email sender or Internet domain owner uses email authentication to make it easier to detect fraudsters sending messages that impersonate their domain, some services like mailing lists or account forwarding may cause legitimate messages to not pass those mechanisms, and then...