One of my customers is experiencing a problem when sending emails. The email shows up in the Sent folder, but the recipients never receive them. If a message is sent to herself, it appears in the Spam folder. She is using mail from the Xfinity web site (http://www.xfinity.com). I have tried using Windows Edge, Firefox, and Chrome, all with the same result.
In troubleshooting this problem, I set up MS Outlook and all works fine. However, my customer prefers to use xfinity mail rather than Outlook. I have thoroughly checked the pc for virus, malware, etc., ran chkdsk and SFC - all with no issues found.
Using this email account on another pc at a different location with a different network works fine. Could you please advise the next steps?
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