Closing an account when a customer hasn't paid?

Hi, Is there an easy way to close a domain temporarily, allowing me to shut off all incoming and outgoing mail when a customer hasn't paid? - It would be cool if you could send a message to people when they log on via pop3 saying "Pay up or ship out" :-) /Jesper

block off all SMTP connections from a given domain?

Date: Thu, 16 Aug 2001 09:32:57 +0200 To: [EMAIL PROTECTED] From: Jesper Hess Nielsen <[EMAIL PROTECTED]> Subject: block off all SMTP connections from a given domain? Hi all How can I block all incoming SMTP connections from a given domain (for example aol.com)? The problem with aol i