netadmin-general-box@mydomain.net. then let the email filters do their thing. Cogent's behavior is obnoxious but, really, if you have a direct allocation from

netadmin-general-box@mydomain.net. then let the email filters do their thing. Cogent's behavior is obnoxious but, really, if you have a direct allocation from ARIN you should probably have a mailbox / phone number set up to handle lots of spam -- you're gonna get way more than just Cogent.