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#rfc8617 — Public Fediverse posts

Live and recent posts from across the Fediverse tagged #rfc8617, aggregated by home.social.

  1. ARC chain analyzer: trace authentication through forwarders.

    email forwarding breaks DMARC.

    when a message is forwarded through a mailing list or university relay, the original SPF alignment is lost.

    ARC (Authenticated Received Chain, RFC 8617) preserves the authentication results across hops.

    I built it because forwarding is the #1 source of false-positive DMARC failures.

    dmarcguard.io/tools/arc-chain-

    #DMARC #EmailSecurity #ARC #RFC8617 #EmailForwarding

  2. ARC chain analyzer: trace authentication through forwarders.

    email forwarding breaks DMARC.

    when a message is forwarded through a mailing list or university relay, the original SPF alignment is lost.

    ARC (Authenticated Received Chain, RFC 8617) preserves the authentication results across hops.

    I built it because forwarding is the #1 source of false-positive DMARC failures.

    dmarcguard.io/tools/arc-chain-

    #DMARC #EmailSecurity #ARC #RFC8617 #EmailForwarding

  3. ARC chain analyzer: trace authentication through forwarders.

    email forwarding breaks DMARC.

    when a message is forwarded through a mailing list or university relay, the original SPF alignment is lost.

    ARC (Authenticated Received Chain, RFC 8617) preserves the authentication results across hops.

    I built it because forwarding is the #1 source of false-positive DMARC failures.

    dmarcguard.io/tools/arc-chain-

    #DMARC #EmailSecurity #ARC #RFC8617 #EmailForwarding