text_combined: noel jones ubdarhmeganvbhcsorg damian rivas wrote hi people long time im back another problem else could lol situation following ill first tell postfix server works postfix servers outside acts mail relayfilter server ms exchange 2003 inside lan incoming mails checked postfix sent exchange manage several domains build relay_recipients listswhich ive extracted ad exchange server transport map permit relay domains everything works fine except one domain name longest theres way make domain get relay access permission domains pass without problem ive even checked things right using transport mistaken commenting domain names worked tried send mail simply dont get access transport working ok important config error details error log tail f command feb 22 113928 ns4 postfixsmtpd32478 noqueue reject rcpt testservercom ip xywz 554 571 relay access denied protoesmtp helo transport map tells following domain1com smtpip_address domain2com smtpip_address domain3com smtpip_address longnamedomaincom smtpip_address domains longnamedomaincom get permission relay dont know happening figure know im quite new open source world yet perhaps problem long domain name dont know need anything else please let ill send details idea longnamedomain around 16 characters others never suprass 8 characters thanks advance help regards damián longestdomaincom must listed relay_domains noel jones thu 07 aug 2008 135044 0600 relay access denied error