After getting this call, I sent an opt-out request to
[email protected] (an Email address that I got off of their "Email Us" link at federalsuppliers.com). What bounced back was:
"
Hi. This is the qmail-send program at server1.matemediainc.com.
I'm afraid I wasn't able to deliver your message to the following addresses.
This is a permanent error; I've given up. Sorry it didn't work out.
<
[email protected]>:
This address no longer accepts mail.
"