关于qmail的问题，帮忙看看！谢谢了！

cngvr

我最近的qmail的日志老显示警告，究竟是什么原因？应如何处理！我的系统是as2.1
Aug 25 10:46:34 web1 qmail: 1124937994.187757 status: local 0/10 remote 0/20
Aug 25 10:46:50 web1 qmail: 1124938010.186480 warning: trouble opening local/8/6062256; will try again later
Aug 25 10:47:01 web1 qmail: 1124938021.186256 warning: trouble opening local/9/6062257; will try again later
Aug 25 10:47:07 web1 qmail: 1124938027.186134 warning: trouble opening local/11/6062259; will try again later
Aug 25 10:47:10 web1 qmail: 1124938030.186067 warning: trouble opening local/6/6062254; will try again later
Aug 25 10:47:12 web1 qmail: 1124938032.186029 warning: trouble opening local/12/6062260; will try again later
Aug 25 10:47:14 web1 qmail: 1124938034.186057 starting delivery 736: msg 6062106 to local root@localhost.localdomain
Aug 25 10:47:14 web1 qmail: 1124938034.186091 status: local 1/10 remote 0/20
Aug 25 10:47:14 web1 qmail: 1124938034.186105 warning: trouble opening local/13/6062261; will try again later
Aug 25 10:47:14 web1 qmail: 1124938034.247303 delivery 736: deferral: Uh-oh:_first_line_of_.qmail_file_is_blank._(#4.2.1)/
Aug 25 10:47:14 web1 qmail: 1124938034.247337 status: local 0/10 remote 0/20
Aug 25 10:47:20 web1 qmail: 1124938040.245871 warning: trouble opening local/15/6062263; will try again later
Aug 25 10:47:24 web1 qmail: 1124938044.245790 warning: trouble opening local/5/6062253; will try again later
Aug 25 10:47:30 web1 qmail: 1124938050.245665 warning: trouble opening local/7/6062255; will try again later
Aug 25 10:47:44 web1 qmail: 1124938064.245414 warning: trouble opening local/4/6062252; will try again later
Aug 25 10:47:56 web1 qmail: 1124938076.245205 starting delivery 737: msg 6062114 to local root@localhost.localdomain
Aug 25 10:47:56 web1 qmail: 1124938076.245247 status: local 1/10 remote 0/20
Aug 25 10:47:56 web1 qmail: 1124938076.310842 delivery 737: deferral: Uh-oh:_first_line_of_.qmail_file_is_blank._(#4.2.1)/
Aug 25 10:47:56 web1 qmail: 1124938076.310873 status: local 0/10 remote 0/20
Aug 25 10:48:16 web1 qmail: 1124938096.314748 warning: trouble opening local/16/6062264; will try again later