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That only establishes that an e-mail sent from john@example.com was authorized for sending by example.com.
by cbg0 8y ago
That only establishes that an e-mail sent from john@example.com was authorized for sending by example.com.
- jhasse 8y agoAnd if example.com is a decent email provider, this also proves that it was sent by john, because otherwise the SMTP server wouldn't sign the outgoing email with a wrong login.