Archived and Closed
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I'm sorry to have to inform you that your message could not
be delivered to one or more recipients.
<email@example.com>: host mail.cheswine.com[18.104.22.168] said: 550 No Such
User Here (in reply to RCPT TO command)
Reporting-MTA: dns; st43p00im-ztbu10073601.me.com
X-Postfix-Sender: rfc822; firstname.lastname@example.org
Arrival-Date: Mon, 7 Jan 2019 16:32:30 +0000 (UTC)
Final-Recipient: rfc822; email@example.com
Remote-MTA: dns; mail.cheswine.com
Diagnostic-Code: smtp; 550 No Such User Here