Phone Call from Copeac Compliance

I got a phone call at 1am my time from a "Compliance Coordinator" at Copeac saying they want to verify my email because mail is bouncing.

It's pretty strange because my email is an @mydomain.com running on my own server, Copeac is white listed and that domain is configured to blackhole mail and not bounce it. The server has had 100% uptime since Nov 08, and Mx will retry for 4 days anyhow if mail can't be delivered.

So what she said just isn't possible.

Just wondering, if anyone has had something similar because it seems rather odd.

Ok thanks, that's a relief i'm not the only one that has had this then. My tin foil hat has been on for a few weeks after numerous strange things on and offline.