* "Jan-Kaspar Münnich" <li...@jan-muennich.de>: > In general RBLs work fine against these dictionary attacks. But in this > special case where not one address exists at the targeted domain, I > doubt that RBLs would decrease server load, since that would add one > more DNS lookup. I wouldn't see a big problem there, even thousands of > 554s normally don't stress Postfix too much.
* One could also turn off postfix. * Or disable smtpd * Or (if there's a spare IP) point the mx to the spare IP and run smtp-sink there! -- 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
