In 2008, I wasn't considering DKIM ADSP (since it didn't exist yet). The state of the art in email authentication has advanced since then. Sender ID is not really a concern anymore and ADSP keys of of the body from exclusively, so the presence of Sender isn't relevant.
In 2008, I wasn't considering DKIM ADSP (since it didn't exist yet). The state of the art in email authentication has advanced since then. Sender ID is not really a concern anymore and ADSP keys of of the body from exclusively, so the presence of Sender isn't relevant.