Everyday NetLog

几乎研究到了崩溃的程度了。。
tail -f /var/log/maillog
Oct  7 11:50:22 server-87 qmail: 1223347822.067531 new msg 12616420
Oct  7 11:50:22 server-87 qmail: 1223347822.067633 info msg 12616420: bytes 1199 from <zhoz@zhoz.com> qp 29461 uid 507
Oct  7 11:50:22 server-87 qmail: 1223347822.085567 starting delivery 721: msg 12616420 to local zhoz.com-reg@zhoz.com
Oct  7 11:50:22 server-87 qmail: 1223347822.085642 status: local 1/10 remote 0/1
Oct  7 11:50:22 server-87 qmail: 1223347822.086996 delivery 721: deferral: Uh-oh:_.qmail_file_is_writable._(#4.7.0)/
Oct  7 11:50:22 server-87 qmail: 1223347822.087063 status: local 0/10 remote 0/1
Oct  7 11:51:04 server-87 qmail: 1223347864.104137 starting delivery 722: msg 12616414 to local zhoz.com-reg@zhoz.com

delivery 761: deferral: Unable_to_open_.qmail-default:_access_denied._(#4.3.0)/
发送邮件时，出现了两外致命的错误，红色显示部分。