Ich habe im Maillog immer „komische“ Meldungen vom Policyd-weight gehabt:

tail -f /var/log/maillog | grep refused

Apr 8 14:37:47 server1 postfix/policyd-weight[2743]: warning: cache_query: $csock couln't be created: connect: Connection refused, calling spawn_cache()
Apr 8 14:37:48 server1 postfix/policyd-weight[19769]: warning: cache_query: $csock couln't be created: connect: Connection refused, calling spawn_cache()
Apr 8 14:37:48 server1 postfix/policyd-weight[19770]: warning: cache_query: $csock couln't be created: connect: Connection refused, calling spawn_cache()
Apr 8 14:37:49 server1 postfix/policyd-weight[2743]: warning: cache_query: $csock couln't be created: connect: Connection refused, calling spawn_cache()
Apr 8 14:37:50 server1 postfix/policyd-weight[1714]: warning: cache_query: $csock couln't be created: connect: Connection refused, calling spawn_cache()
Apr 8 14:37:50 server1 postfix/policyd-weight[1714]: warning: cache_query: $csock couln't be created: connect: Connection refused, calling spawn_cache()
Apr 8 14:37:50 server1 postfix/policyd-weight[1714]: warning: cache_query: $csock couln't be created: connect: Connection refused, calling spawn_cache()
Apr 8 14:37:50 server1 postfix/policyd-weight[1741]: warning: cache_query: $csock couln't be created: connect: Connection refused, calling spawn_cache()
Apr 8 14:37:50 server1 postfix/policyd-weight[1714]: warning: cache_query: $csock couln't be created: connect: Connection refused, calling spawn_cache()
Apr 8 14:37:50 server1 postfix/policyd-weight[1741]: warning: cache_query: $csock couln't be created: connect: Connection refused, calling spawn_cache()
Apr 8 14:37:50 server1 postfix/policyd-weight[2037]: warning: cache_query: $csock couln't be created: connect: Connection refused, calling spawn_cache()
Apr 8 14:37:50 server1 postfix/policyd-weight[19769]: warning: cache_query: $csock couln't be created: connect: Connection refused, calling spawn_cache()
Apr 8 14:37:50 server1 postfix/policyd-weight[1719]: warning: cache_query: $csock couln't be created: connect: Connection refused, calling spawn_cache()
Apr 8 14:37:50 server1 postfix/policyd-weight[1719]: warning: cache_query: $csock couln't be created: connect: Connection refused, calling spawn_cache()

Der Fehler lässt sich ganz einfach beheben:

/etc/init.d/policyd-weight stop && rm -rf /tmp/.policyd-weight/* && /etc/init.d/policyd-weight start