geert hendrickx etmftelenetbe wed feb 13 2008 061420am 0500 victor duchovni wrote wed feb 13 2008 114217am 0100 geert hendrickx wrote tried disable_dns_lookupsyes causes bunch problems postfix doesnt look dns maybe smtp processes run chrooted etchosts file chroot area op better informed default postfix explicitly uses dns explained previous response solution sites nsswitch files dns want postfix use smtp_host_lookup native copy etchosts chroot area services run chrooted geert wed 06 aug 2008 050328 0100 force postfix look hosts file first