does this mean the pequiven.com server rejecting email?
This is the mail system at host smtp02.pequiven.com.
I'm sorry to have to inform you that your message could not
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 mail system
<email@example.com>: host 18.104.22.168[22.214.171.124] said: 554 Mail
from firstname.lastname@example.org rejected for policy reasons. (in reply to
MAIL FROM command)
Final-Recipient: rfc822; email@example.com
Remote-MTA: dns; 126.96.36.199
Diagnostic-Code: smtp; 554 Mail from firstname.lastname@example.org rejected for