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装好qmail+vpopmail,有时出现发信链接25端口很久没有反应,然后发现如下:
[root@mail /]# lsof -i :25
COMMAND PID USER FD TYPE DEVICE SIZE NODE NAME
tcpserver 7432 qmaild 3u IPv4 30659 TCP *:smtp (LISTEN)
qmail-smt 14200 qmaild 0u IPv4 52256 TCP mail.abc.cn:smtp->;218.104.110.114:2902 (ESTABLISHED)
qmail-smt 14200 qmaild 1u IPv4 52256 TCP mail.abc.cn:smtp->;218.104.110.114:2902 (ESTABLISHED)
qmail-smt 14383 qmaild 0u IPv4 52389 TCP mail.abc.cn:smtp->;219.133.6.104:26174 (ESTABLISHED)
qmail-smt 14383 qmaild 1u IPv4 52389 TCP mail.abc.cn:smtp->;219.133.6.104:26174 (ESTABLISHED)
是不是有人通过我的服务器发送垃圾邮件?我已经打过了qmail-smtpd.c和qmail-smtpd.patch补丁,也验证过了没有问题啊 |
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