Postfix配置Q&A

顯示信件清單：postqueue -p

顯示信件內容：postcat -q Queue_ID

刪除各別信件：postsuper -d Queue_ID

全部刪除：postsuper -d ALL

扣住信件：postsuper -h Queue_ID

回複：postsuper -H Queue_ID

重新排程：

postsuper -r Queue_ID

postsuper -r ALL

清除信件：

postqueue -f (全部)

postqueue -s 主機名稱(個别對象)

要檢視Postfix的目前主要配置檔案的存放路徑：

postconf -n

郵件日志：tail -f /var/log/maillog

clamd相關：tail -f /var/log/clamav/clamd.log　　tail -f /var/log/clamav/freshclam.log

maildrop相關：tail -f /var/log/maildrop.log

apache相關：tail -f /usr/local/httpd/logs/error_log　　tail -f /usr/local/httpd/logs/suexec_log

mysql相關：tail -f /usr/local/mysql/data/linux.linux.com.err

測試amavisd：amavisd -d config debug-sa

測試spam：spamassassin -D --lint

問題一：

Q

Aug 7 22:26:22 mail postfix/smtpd[16829]: warning: xsasl_cyrus_server_get_mechanism_list:

no applicable SASL mechanisms

Aug 7 22:26:22 mail postfix/smtpd[16829]: fatal: no SASL authentication mechanisms

Aug 7 22:26:23 mail postfix/master[16825]: warning: process /usr/libexec/postfix/smtpd

pid 16829 exit status 1

Aug 7 22:26:23 mail postfix/master[16825]: warning: /usr/libexec/postfix/smtpd:

bad command startup -- throttling

Aug 7 22:28:06 mail postfix/smtpd[16830]: warning: xsasl_cyrus_server_get_mechanism_list:

Aug 7 22:28:06 mail postfix/smtpd[16830]: fatal: no SASL authentication mechanisms

Aug 7 22:28:07 mail postfix/master[16825]: warning: process /usr/libexec/postfix/smtpd

pid 16830 exit status 1

A

ln -s /usr/local/lib/sasl2 /usr/lib/sasl2

問題二：

Jan 15 20:24:43 localhost postfix/smtpd[3048]: warning: SASL authentication problem:

unable to open Berkeley db /etc/sasldb2: No such file or directory

系統已經安裝sasl-cyrus 删除掉，然後編譯重裝

問題三：

install_driver(mysql) failed: Can't locate DBD/mysql.pm in @INC (@INC contains:

[root@redhat tmp]#tar zxvf DBD-mysql-3.0008.tar.gz 重新安裝

問題四：

Can't chdir to /home/mailbox//Maildir, No such file or directory

不能進入郵件目錄，請先在extman背景建立postmaster使用者

問題五：

SELECT username, password, "", '1001', '1001', concat('/var/mailbox/',maildir), "", "",

maildrop: Timeout quota exceeded.

請檢查/usr/local/authlib/etc/authlib/mysqlauthrc的quota配置項

問題六：

sh: /usr/sbin/sendmail: No such file or directory

ln -s /usr/local/postfix-2.2.8/src/sendmail/sendmail /usr/sbin/sendmail

問題八：

error while loading shared libraries: libstdc++.so.5: cannot open shared object file: No such file or directory

[root@linux tmp]#rpm -ivh compat-libstdc++-33-3.2.3-47.3.i386.rpm

問題九：

Starting mail statistics grapher: mailgraph_ext

Can't locate RRDs.pm in @INC (@INC contains:

/usr/lib/perl5/5.8.5/i386-linux-thread-multi

ln -sv /usr/local/rrdtool/lib/perl/5.8.5/i386-linux-thread-multi/RRDs.pm \

/usr/lib/perl5/5.8.5/i386-linux-thread-multi/

問題十：

Can't locate loadable object for module RRDs in @INC (@INC contains:

ln -sv /usr/local/rrdtool/lib/perl/5.8.5/i386-linux-thread-multi/auto/RRDs/RRDs.so \

問題十一：

Can't load '/usr/lib/perl5/site_perl/5.8.5/i386-linux-thread-multi/auto/GD/GD.so'

for module GD: libgd.so.2:

cannot open shared object file: No such file or directory at

/usr/lib/perl5/5.8.5/i386-linux-thread-multi/DynaLoader.pm

[root@linux tmp]#vi /etc/ld.so.conf

[root@linux tmp]#less /etc/ld.so.conf

include ld.so.conf.d/*.conf

/usr/X11R6/lib

/usr/local/mysql/lib

/usr/local/BerkeleyDB/lib

/usr/local/authlib/lib/courier-authlib

/usr/local/sasl2/lib

/usr/local/sasl2/lib/sasl2

/usr/local/clamav/lib

/usr/local/lib

/usr/local/gd/lib

/usr/local/jpeg/lib

/usr/local/fontconfig/lib

/usr/local/freetype2/lib

/usr/local/png/lib

[root@linux tmp]#ldconfig -v

問題七：

Jan 28 05:04:56 linux postfix/cleanup[14026]: DEBD68075: hold: header Received:

by linux.test.com (Postfix, from userid 0)??id DEBD68075; Mon, 28 Jan 2008 05:04

Jan 28 05:04:56 linux postfix/cleanup[14026]: DEBD68075: message-id=<20080127210

不要将amavisd和MailScanner裝在一起##可能有其它解決辦法吧

問題十二：

httpd: Syntax error on line 99 of /etc/httpd/httpd.conf:

cannot restore segment prot after reloc: Permission denied

1：禁用selinux

2：chcon -t texrel_shlib_t /usr/local/apache2/modules/*.so

問題十三：

Jun 20 15:29:08 mail authdaemond: authldaplib: sysusername=<null>, sysuserid=1001, sysgroupid=1001,

maildir=test.com/test01/Maildir/, quota=5242880S, ptions=<null>

Jun 20 15:29:08 mail authdaemond: authldaplib: clearpasswd=<null>,

passwd=$1$8pBM6cXc$Va6UkybwOdSyExU82pQ1A0

Jun 20 15:29:08 mail authdaemond: rebinding with DN

<a href="mailto:%[email protected],virtualDomain=test.com,o=extmailAccount,dc=test.com%27">'[email protected],virtualDomain=test.com,o=extmailAccount,dc=test.com'</a>

to validate password

Jun 20 15:29:08 mail authdaemond: authentication bind failed, invalid credentials

vi /etc/authlib/authldaprc

72 #LDAP_AUTHBIND 1

問題十四：

pop3d: chdir test.com/test01: No such file or directory

#LDAP_MAILDIR mailMessageStore

問題十五：

configure: error: Please fix the library issues listed above and try again.

cp /usr/local/png/lib/pkgconfig/libpng.pc /usr/lib/pkgconfig/

問題十六：

Can't locate GD.pm in @INC (@INC contains:

安裝GD-2.35.tar.gz

問題十七：

怎樣檢視postfix日志成功接收到郵件：(交貨到郵件目錄)

cat /var/log/maillog |grep "delivered to maildir"

cat /var/log/maillog |grep "delivered to maildir" | egrep -o "(\w+)([@]{1}\w+[.]{1,})(\w+)"

問題十八：

怎樣取當天日志：

cat /var/log/maillog | egrep "`data | awk "`'{print ""$2" "$3""}'`"

問題十九：

怎樣取指定日期日志：

cat /var/log/maill | grep "^Sep\ 25" | egrep "reject|warning|error|fatal|panic" | more

　　慢慢再增加吧．