ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@gmail.com header.s=20210112 header.b=UpITNcvK; spf=pass (google.com: domain of bob@gmail.com designates 209.85.220.41 as permitted sender) smtp.mailfrom=bob@gmail.com; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20210112 header.b=UpITNcvK; spf=pass (google.com: domain of bob@gmail.com designates 209.85.220.41 as permitted sender) smtp.mailfrom=bob@gmail.com; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com From: Bob To: "alice@gmail.com"