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A: 以root用戶身份 postfix reload，postfix 並沒用restart筆者也不建議你使用restart,reboot,restart這是一個壞習慣
A: 你可以在postfix的主要配置檔案/etc/postifx/main.cf中修改下列參數:
queue_run_delay (預設值 1000秒) 設置多長時間隊列管理進程去掃瞄無法投遞的郵件
Maximal_queue_lifetime (預設值 5天) 設置郵件在隊列裡的最長時間
Minimal_backoff_time (預設值 1000秒) 在這個時間內，郵件不能夠被鎖定
Maximal_backoff_time (預設值 4000秒) 在這個時間之後，如果郵件仍然沒有被投遞，就認為是無法投遞
qmgr_message_recipient_limit (預設值 1000) |
A: 以root用戶身份登錄 postconf -e disable_client_dns_lookup = 1 postfix reload
A: James S. Seymour用perl寫了一個叫pflogsumm.pl的腳本，可以到這裡下載：http://jimsun.linxnet.com/postfix_contrib.html,然後可以在crontab中添加下面的內容： 0 2 * * * /path/to/pflogsumm.pl -d today /var/log/maillog | mail -s "Mail Report" you@youdomain.com 定時把分析報告寄給你,其它的一些使用參數可以看pflogsumm.pl裡的信息。
A: mailq | tail +2 | awk 'BEGIN { RS = "" } / chen@example\.org$/ { print $1 }' | tr -d '*!' | postsuper -d -
[root@linuxas3 root]# vi mailqueue
#!/bin/bash
# openunix@163.com
queue=$1
# echo ${queue}
DELETE="mailq | tail +2 | awk 'BEGIN { RS = \"\" } /${queue}$/ { print \$1 }' | tr -d '*!' | postsuper -d -"
echo ${DELETE} > queue
chmod 755 queue
./queue
[root@linuxas3 root]# chmod 755 mailqueue
[root@linuxas3 root]# ./mailqueue chen@example\\.org
mailq | tail +2 | awk 'BEGIN { RS = "" } /chen@example\.org$/ { print $1 }' | tr -d '*!' | postsuper -d -
postsuper: 9A427225DEE: removed
postsuper: 97CB6225D8E: removed
postsuper: 980B0225DF0: removed
postsuper: DAF67225D8B: removed
postsuper: A5303225D90: removed
postsuper: 2B285225DED: removed
postsuper: 761EB225D8A: removed
postsuper: 5EC8D225D86: removed
postsuper: C6AE2225DEC: removed
postsuper: 0C35C225DF1: removed
postsuper: E4361225DEA: removed
postsuper: 36717225D8D: removed
postsuper: 30E0D225DEF: removed
postsuper: BD2B2225DF3: removed
postsuper: Deleted: 14 messages
|
A: 複製下面命令粘貼到CLI上即可。
postfix stop rm -rf /usr/libexec/postfix/bounce rm -rf /usr/libexec/postfix/cleanup rm -rf /usr/libexec/postfix/error rm -rf /usr/libexec/postfix/flush rm -rf /usr/libexec/postfix/lmtp rm -rf /usr/libexec/postfix/local rm -rf /usr/libexec/postfix/master rm -rf /usr/libexec/postfix/nqmgr rm -rf /usr/libexec/postfix/pickup rm -rf /usr/libexec/postfix/pipe rm -rf /usr/libexec/postfix/proxymap rm -rf /usr/libexec/postfix/qmgr rm -rf /usr/libexec/postfix/qmqpd rm -rf /usr/libexec/postfix/showq rm -rf /usr/libexec/postfix/smtp rm -rf /usr/libexec/postfix/smtpd rm -rf /usr/libexec/postfix/spawn rm -rf /usr/libexec/postfix/trivial-rewrite rm -rf /usr/libexec/postfix/virtual rm -rf /usr/sbin/postalias rm -rf /usr/sbin/postcat rm -rf /usr/sbin/postconf rm -rf /usr/sbin/postfix rm -rf /usr/sbin/postkick rm -rf /usr/sbin/postlock rm -rf /usr/sbin/postlog rm -rf /usr/sbin/postmap rm -rf /usr/sbin/postsuper rm -rf /usr/sbin/postdrop rm -rf /usr/sbin/postqueue rm -rf /usr/sbin/sendmail rm -rf /usr/bin/newaliases rm -rf /usr/bin/mailq rm -rf /etc/postfix/LICENSE rm -rf /etc/postfix/access rm -rf /etc/postfix/aliases rm -rf /etc/postfix/canonical rm -rf /etc/postfix/main.cf rm -rf /etc/postfix/main.cf.default rm -rf /etc/postfix/master.cf rm -rf /etc/postfix/pcre_table rm -rf /etc/postfix/postfix-files rm -rf /etc/postfix/regexp_table rm -rf /etc/postfix/relocated rm -rf /etc/postfix/transport rm -rf /etc/postfix/virtual rm -rf /etc/postfix/postfix-script rm -rf /etc/postfix/post-install rm -rf /usr/local/man/man1/mailq.1 rm -rf /usr/local/man/man1/newaliases.1 rm -rf /usr/local/man/man1/postalias.1 rm -rf /usr/local/man/man1/postcat.1 rm -rf /usr/local/man/man1/postconf.1 rm -rf /usr/local/man/man1/postdrop.1 rm -rf /usr/local/man/man1/postfix.1 rm -rf /usr/local/man/man1/postkick.1 rm -rf /usr/local/man/man1/postlock.1 rm -rf /usr/local/man/man1/postlog.1 rm -rf /usr/local/man/man1/postmap.1 rm -rf /usr/local/man/man1/postqueue.1 rm -rf /usr/local/man/man1/postsuper.1 rm -rf /usr/local/man/man1/sendmail.1 rm -rf /usr/local/man/man5/access.5 rm -rf /usr/local/man/man5/aliases.5 rm -rf /usr/local/man/man5/canonical.5 rm -rf /usr/local/man/man5/pcre_table.5 rm -rf /usr/local/man/man5/regexp_table.5 rm -rf /usr/local/man/man5/relocated.5 rm -rf /usr/local/man/man5/transport.5 rm -rf /usr/local/man/man5/virtual.5 rm -rf /usr/local/man/man8/bounce.8 rm -rf /usr/local/man/man8/cleanup.8 rm -rf /usr/local/man/man8/defer.8 rm -rf /usr/local/man/man8/error.8 rm -rf /usr/local/man/man8/flush.8 rm -rf /usr/local/man/man8/lmtp.8 rm -rf /usr/local/man/man8/local.8 rm -rf /usr/local/man/man8/master.8 rm -rf /usr/local/man/man8/nqmgr.8 rm -rf /usr/local/man/man8/pickup.8 rm -rf /usr/local/man/man8/pipe.8 rm -rf /usr/local/man/man8/proxymap.8 rm -rf /usr/local/man/man8/qmgr.8 rm -rf /usr/local/man/man8/qmqpd.8 rm -rf /usr/local/man/man8/showq.8 rm -rf /usr/local/man/man8/smtp.8 rm -rf /usr/local/man/man8/smtpd.8 rm -rf /usr/local/man/man8/spawn.8 rm -rf /usr/local/man/man8/trivial-rewrite.8 rm -rf /usr/local/man/man8/virtual.8 rm -rf /etc/postfix/sample-aliases.cf rm -rf /etc/postfix/sample-auth.cf rm -rf /etc/postfix/sample-canonical.cf rm -rf /etc/postfix/sample-compatibility.cf rm -rf /etc/postfix/sample-debug.cf rm -rf /etc/postfix/sample-filter.cf rm -rf /etc/postfix/sample-flush.cf rm -rf /etc/postfix/sample-ldap.cf rm -rf /etc/postfix/sample-lmtp.cf rm -rf /etc/postfix/sample-local.cf rm -rf /etc/postfix/sample-mime.cf rm -rf /etc/postfix/sample-misc.cf rm -rf /etc/postfix/sample-pcre-access.cf rm -rf /etc/postfix/sample-pcre-body.cf rm -rf /etc/postfix/sample-pcre-header.cf rm -rf /etc/postfix/sample-qmqpd.cf rm -rf /etc/postfix/sample-rate.cf rm -rf /etc/postfix/sample-regexp-access.cf rm -rf /etc/postfix/sample-regexp-body.cf rm -rf /etc/postfix/sample-regexp-header.cf rm -rf /etc/postfix/sample-relocated.cf rm -rf /etc/postfix/sample-resource.cf rm -rf /etc/postfix/sample-rewrite.cf rm -rf /etc/postfix/sample-smtp.cf rm -rf /etc/postfix/sample-smtpd.cf rm -rf /etc/postfix/sample-transport.cf rm -rf /etc/postfix/sample-virtual.cf rm -rf /etc/postfix rm -rf /usr/libexec/postfix rm -rf /var/spool/postfix |
Sep 17 23:18:44 localhost postfix/smtpd[12087]: connect from unknown[192.168.0.254] Sep 17 23:18:44 localhost postfix/smtpd[12087]: NOQUEUE: reject: RCPT from unknown[192.168.0.254]: 550 <test@example.net>: Recipient address rejected: User unknown in local recipient table; from=<test@example.net> to=<test@example.net> proto=ESMTP helo=<netkiller> Sep 17 23:18:54 localhost postfix/smtpd[12087]: lost connection after RCPT from unknown[192.168.0.254] Sep 17 23:18:54 localhost postfix/smtpd[12087]: disconnect from unknown[192.168.0.254] |
A: main.cf中沒有設置local_recipient_maps =
A: mount --bind /var/mail/ /home/mail/
[root@linux home]# mkdir -m755 mail [root@linux home]# mount --bind /var/mail/ /home/mail/ [root@linux home]# ls mail/ axia chen crm cvs cvsroot example.net guest ming postfix root sales svnroot test [root@linux home]# mount /dev/hda8 on / type ext3 (rw) none on /proc type proc (rw) usbdevfs on /proc/bus/usb type usbdevfs (rw) /dev/hda1 on /boot type ext3 (rw) none on /dev/pts type devpts (rw,gid=5,mode=620) /dev/hda2 on /home type ext3 (rw) none on /dev/shm type tmpfs (rw) /dev/hda7 on /tmp type ext3 (rw) /dev/hda9 on /u01 type ext3 (rw) /dev/hda5 on /usr type ext3 (rw) /dev/hda3 on /var type ext3 (rw) /var/mail on /home/mail type none (rw,bind) [root@linux home]# umount /var/mail [root@linux home]# mount /dev/hda8 on / type ext3 (rw) none on /proc type proc (rw) usbdevfs on /proc/bus/usb type usbdevfs (rw) /dev/hda1 on /boot type ext3 (rw) none on /dev/pts type devpts (rw,gid=5,mode=620) /dev/hda2 on /home type ext3 (rw) none on /dev/shm type tmpfs (rw) /dev/hda7 on /tmp type ext3 (rw) /dev/hda9 on /u01 type ext3 (rw) /dev/hda5 on /usr type ext3 (rw) /dev/hda3 on /var type ext3 (rw) [root@linux home]# |
A: 如果你安裝了amavis它可以完成拒收.預設是彈回.如果你不想安裝它,可以使用postfix的mime_header_checks
debian:~# postconf -e 'mime_header_checks=pcre:/etc/postfix/body_checks' |
創建body_checks檔案內容如下：
debian:~# vi /etc/postfix/body_checks /^((Content-(Disposition: attachment;|Type:).*|\ +)| *)(file)?name\ *=\ *"?.*\.(lnk|asd|hlp|ocx|reg|bat|c[ho]m|cmd|exe|dll|vxd|pif|scr|hta|jse?|sh[mbs]|vb[esx]|ws[fh]|wmf)"?\ *$/ REJECT attachment type not allowed |
reload
debian:~# /etc/init.d/postfix reload Reloading Postfix configuration...done. debian:~# |
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