jeanmichel dault sgvcjctrevolutionlinuxcom hello im trying convert large organization 80000 email entries 72 domainssubdomains sendmail postfix ive hit brick wall theyre using following schema httpwwwsendmailorgm4lasertxt basically sendmail ldap search objectclassinetlocalmailrecipientmaillocaladdress0 returns mailroutingaddress mailhost rewrites envelope mailroutingaddress sends via smtp mailhost ive read postfix documentation could find googled extensively cant duplicate exactly behavior closest way found first rewrite ldap virtual_alias_maps using mailroutingaddress result_attribute use transport_maps search mailroutingaddress use mailhost result_format smtps however assumes mailroutingaddress unique id case large organization many departments different types mail servers unixlinuxwindows multiple migrations different servers covering domains problem youve rewritten address cant use original mail address make new search like sendmail way postfix either 1 use orig_to ldap request instead address 2 rewrite transport time maybe using trivialrewrite resolve request would need map like yqzisythtfidomain ervvrealdomain smtpserverotherdomain thanks advance jeanmichel dault révolution linux inc thu 07 aug 2008 070056 0500 migrating sendmail ldap routing