This one is doing the rounds, received by me last week, we operate far outside CFMU controlled airspace. It was also received by 2 former colleagues at 2 other carriers who do operate in CFMU airspace.

It was received from a fake email address that looks similar to the familiar eurocontrol ones.
eurocontrol-crco-r4@<hidden>
OFFICE OF THE FINANCE & REVENUE CONTROLLER
ACCOUNTS RECEIVABLE
Collection of Charges
EUROCONTROL-CRCO-R4

Dear Sirs,

We hereby inform you that the April and May invoices have been sent to you.please confirm that you have received them.we also advise you to forward to us for verifications and updates, a copy of the last invoice received from us and the swift confirmation for the most recent payments made to us between march and june 2011 fiscal year for invoice you received.Please also note that the these bills are over due now.

We will forward to your attention prior to the due date for payment the current payment instructions as we have made changes in the account details and the new payment instructions and details will be forwarded to you as soon as you acknowledge that you received this email to avoid delays and possible mix ups.

Note that we are currently reconciling our accounts as we are updating all our records for the first and second quarter for 2011. We are sorry for any inconveniences and would advise you to get back to us urgently for more information and updates.

Thanks for your understanding and cooperation.

Best Regards

Adrian Herbart
FINANCE & REVENUE OFFICE CONTROLLER
ACCOUNTS RECEIVABLE
Collection of Charges
EUROCONTROL-CRCO-R4
Rue de la Fusee 96
1130
BRUSSELLS,