vvrpgsporcupineorg emanuil tolev hello experiencing following problem bots connect mi port 25 send spam mi 2 domains relaying mail course disabled however bots fail instead try successfully send spams internal email addresses eg domains propertyxpresscom sgradacom bots try guess mailboxes like xvrrbapropertyxpresscom sales 123456 problem setup 2 catchall mailboxes 2 domains bots identify internal users eg amwmuficurpropertyxpresscom accepted ok smtp server thus messages rejected get scanned amavisdclamdspamassassin setup eat servers limited 512mb ram fill roots mailbox virus alerts already 100mb conclusion dont set catchall mailboxes entire domains deleted question need answer suggest post separate thread wietse thu 07 aug 2008 001003 0500 controlling outgoing smtp operations access