Facebook // Reuse of an already existing Facebook email login?

I've been deleting a Facebook account x.y@z.de and want to reuse this email for a company site (rather than a personal site).
Unfortunately, it seems as if a deleted email is not instantly free and removed from the database, but since this a group email address, I cannot just take another email. Any way out?
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minganoConnect With a Mentor Commented:
Use another email address (group-x.y@z.de for example) that forwards all emails to x.y@z.de
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