This is the Postfix program at host mx.neotechus.com.

I'm sorry to have to inform you that your message could not be be delivered to one or more recipients. It's attached below.

For further assistance, please send mail to <postmaster>

If you do so, please include this problem report. You can delete your own text from the attached returned message.

The Postfix program

brazos1@neosmart.com: host 63.144.217.10[63.144.217.10] said: 550 unknown user brazos1@neosmart.com (in reply to RCPT TO command)

dolphin@neosmart.com: host 63.144.217.10[63.144.217.10] said: 550 unknown user dolphin@neosmart.com (in reply to RCPT TO command)

ejohnson@neosmart.com: host 63.144.217.10[63.144.217.10] said: 550 unknown user ejohnson@neosmart.com (in reply to RCPT TO command)

guzman@neosmart.com: host 63.144.217.10[63.144.217.10] said: 550 unknown user guzman@neosmart.com (in reply to RCPT TO command)