I signed up for simplx 3 days ago. Today, after reading all the problems that place had, I went to cancel my account before they charge my card. The website is down, their phone number is disconnected, all their emails bounce back. So call your credit card company.
Delivery to the following recipient failed permanently:
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Technical details of permanent failure:
Google tried to deliver your message, but it was rejected by the server for the recipient domain simplx.com by smtp.simplicitygroup.com. .
The error that the other server returned was:
550 Rejected by SpamCop.