* John Hardin <jhar...@impsec.org>: > In that case, depending on the MTA logging, perhaps he could still > disable catchall and then troll the logs to see which invalid > addresses were attempted.
Or block tke mail to any recipient starting with "|" In postfix that could be done with check_recipient_access regexp:/etc/postfix/blocked_recipients with /etc/postfix/blocked_recipients: /^\|/ REJECT I would weed that absolutely unwanted stuff out at the MTA level to keep resource usage low (bandwidth, mostly) > ...or does _no_ modern MTA log the recipient addresses it rejects? I > haven't actually looked... :) I'v seen sendmail & postfix log the non-existing addresses. -- Ralf Hildebrandt Geschäftsbereich IT | Abteilung Netzwerk Charité - Universitätsmedizin Berlin Campus Benjamin Franklin Hindenburgdamm 30 | D-12203 Berlin Tel. +49 30 450 570 155 | Fax: +49 30 450 570 962 ralf.hildebra...@charite.de | http://www.charite.de