C. V. a écrit : > Hi, > > i've setup my mailsystem a while ago and query MySQL and LDAP vor address and > domain mappings. > > Since both of them (database and directory) are more likely to be down of > many reasons (network, connection overload etc.) i want to add a "backup" > with hash files (hash:/some/file). > To reduce the queries i need to know the order in which postfix uses the > lists. After a lot of searching without success, i now ask you: >
there's no backup. you have the choice between: - accepting temp failures if the backend is down - using a backedn that doesn't get down (hash, cdb, ...) > Here my first try: > > virtual_mailbox_domains = hash:/etc/postfix/generated-ldap-domains > mysql:/etc/postfix/mysql-virtual-mailbox-domains.cf > ldap:/etc/postfix/ldap-zimbra-domains.cf > > Alternatively: > > virtual_mailbox_domains = mysql:/etc/postfix/mysql-virtual-mailbox-domains.cf > ldap:/etc/postfix/ldap-zimbra-domains.cf > hash:/etc/postfix/generated-ldap-domains > Multiple maps support is not meant for fail-over of one map. it's like if they were concatenanted: if no match is found, move to the next map.