we have a customer who uses a mail-server with postfix (very old, last century or so).
His accounts are of the form mailXYZ0005 and so on and are translated to aliases ([EMAIL PROTECTED]) via postfix virtual-table.
Now when we install a new server with vpopmail, the accounts go [EMAIL PROTECTED]
But he says, this is impossible because customers would have to change their config, which some even can't do themselves.
He has virtual domains, too, so I can't just use default-domain.
Is there a way to have a username without @ and map it to a virtual account of domain ?