RTBLReal Time Black List
RTBLRate To Bottom Line (insurance renewal factor)
References in periodicals archive ?
Last week the RTBL 'blackholed' a relay mailer that effectively disrupted 16,000 Internet businesses for four days.
0 gives Systems Administrators a powerful weapon in their on-going struggle to reduce the burden on users' overloaded mailboxes by layering sophisticated natural language processing with RTBL services.