May  6 22:02:03 mail postfix/qmgr[4556]: warning: mail for [127.0.0.1]:10024 is using up 16966 of 16967 active queue entries
May  6 22:02:03 mail postfix/qmgr[4556]: warning: you may need to reduce smtp-amavis connect and helo timeouts
May  6 22:02:03 mail postfix/qmgr[4556]: warning: so that Postfix quickly skips unavailable hosts
May  6 22:02:03 mail postfix/qmgr[4556]: warning: you may need to increase the main.cf minimal_backoff_time and maximal_backoff_time
May  6 22:02:03 mail postfix/qmgr[4556]: warning: so that Postfix wastes less time on undeliverable mail
May  6 22:02:03 mail postfix/qmgr[4556]: warning: you may need to increase the master.cf smtp-amavis process limit
May  6 22:02:03 mail postfix/qmgr[4556]: warning: please avoid flushing the whole queue when you have
May  6 22:02:03 mail postfix/qmgr[4556]: warning: lots of deferred mail, that is bad for performance
May  6 22:02:03 mail postfix/qmgr[4556]: warning: to turn off these warnings specify: qmgr_clog_warn_time = 0

日志里说要增大两个值，请问从哪里去修改这两个值

最近两天发现，收邮件很慢，第一天发的，要第二天才能收到或者收就到，是否跟逞宽有关系？