This is the mail system at host box.stevens.edu.
I'm sorry to have to inform you that your message could not
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If you do so, please include this problem report. You can
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The mail system
<email@example.com>: host nexus.stevens.edu[184.108.40.206] said: 550 5.1.1
unknown or illegal alias: firstname.lastname@example.org (in reply to RCPT TO command)
Final-Recipient: rfc822; email@example.com
Remote-MTA: dns; nexus.stevens.edu
Diagnostic-Code: smtp; 550 5.1.1 unknown or illegal alias: firstname.lastname@example.org