Emails sent from comcast.net are being received from comcast.com
My mother has been having trouble sending emails lately.
Her Comcast email is
When her emails are read by the recipient they apprear to be from
I believe this is why some emails are not being received.
Is this a problem?
Email header from an email sent by her to me.
X-Atlas-Received: from 10.218.249.13 by atlas202.free.mail.ne1.yahoo.com with http; Sat, 16 May 2020 20:32:18 +0000 X-Apparently-To:
@yahoo.com; Sat, 16 May 2020 20:32:18 +0000 Return-Path: < @comcast.com> Authentication-Results: mta4041.mail.ne1.yahoo.com; dkim=pass (ok) firstname.lastname@example.org header.s=20180828_2048; spf=softfail email@example.com; dmarc=fail(p=none sp=none dis=none) header.from=comcast.com; Received-SPF: softfail (transitioning domain of comcast.com does not designate 184.108.40.206 as permitted sender)