Q：
Jan 13 11:26:29 mail authdaemond: failed to connect to mysql server (server=localhost , userid=postfix ): Unknown MySQL server host 'localhost ' (2)
Jan 13 11:26:29 mail postfix/smtpd[2829]: warning: SASL authentication failure: could not verify password
Jan 13 12:11:19 mail authdaemond: failed to connect to mysql server (server=localhost, userid=postfix ): Can't connect to local MySQL server through socket '/tmp/mysql.sock ' (2)
Jan 13 12:11:19 mail postfix/smtpd[2870]: warning: SASL authentication failure: could not verify password
A:
将vi /usr/local/courier-authlib/etc/authmysqlrc中参数后的空格删除即可
QUOTE:
Q：
编译pam_mysql：
[root@mail src]# tar -zxf pam_mysql-0.5.tar.gz
[root@mail src]# cd pam_mysql
修改pam_mysql.c的源代码，去掉调试消息：
[root@mail pam_mysql]# vi +54 pam_mysql.c
将如下一行：
#define DEBUG
修改为：
Q： 安装POSTFIX2.2.7出错
[root@mail postfix-2.2.7]# make
make -f Makefile.in MAKELEVEL= Makefiles
(echo "# Do not edit -- this file documents how Postfix was built for your machine."; /bin/sh makedefs) >makedefs.tmp
No <db.h> include file found.
Install the appropriate db*-devel package first.
See the RELEASE_NOTES file for more information.
make: *** [Makefiles] Error 1
make: *** [Makefiles] Error 2
A:
没装berkeleyDB的开发库，或者是指定路径没有找到，所以报这个错了。如果是linux， 注意看有没有db*-devel的rpm，或者libdb*-dev的deb（debian）如果是bsd，则看看有没有装db3/db4等包
QUOTE:
Q：
按照Postfix+Cyrus-IMAP+Cyrus-SASL+MySQL+IMP（王兴宇的）完全指南进行到了步骤8.5 ,用cyradm创建邮箱,可是却出现了如下错误:
[root@localhost bin]# cyradm --user cyrus localhost
Can't load '/usr/lib/perl5/site_perl/5.8.5/i386-linux-thread-multi/auto/Cyrus/IMAP/IMAP.so' for module Cyrus::IMAP: /usr/lib/perl5/site_perl/5.8.5/i386-linux-thread-multi/auto/Cyrus/IMAP/IMAP.so: undefined symbol: db_version at /usr/lib/perl5/5.8.5/i386-linux-thread-multi/DynaLoader.pm line 230.
at /usr/lib/perl5/site_perl/5.8.5/i386-linux-thread-multi/Cyrus/IMAP/Admin.pm line 44
Compilation failed in require at /usr/lib/perl5/site_perl/5.8.5/i386-linux-thread-multi/Cyrus/IMAP/Admin.pm line 44.
BEGIN failed--compilation aborted at /usr/lib/perl5/site_perl/5.8.5/i386-linux-thread-multi/Cyrus/IMAP/Admin.pm line 44.
Compilation failed in require at /usr/lib/perl5/site_perl/5.8.5/i386-linux-thread-multi/Cyrus/IMAP/Shell.pm line 60.
BEGIN failed--compilation aborted at /usr/lib/perl5/site_perl/5.8.5/i386-linux-thread-multi/Cyrus/IMAP/Shell.pm line 60.
Compilation failed in require.
BEGIN failed--compilation aborted.请问是什么原因?应该怎么解决?
A: 安装了perl－Cyrus包后就好了。
Q：
[root@mail postfix]# /usr/sbin/postfix start
postfix/postfix-script: warning: not owned by group postdrop: /var/spool/postfix/public
postfix/postfix-script: warning: not owned by group postdrop: /var/spool/postfix/maildrop
postfix/postfix-script: warning: not owned by root: /var/spool/postfix/etc
postfix/postfix-script: starting the Postfix mail system
A:
chgrp postdrop /var/spool/postfix/maildrop
chgrp postdrop /var/spool/postfix/public
QUOTE:
Q：
[root@mail postfix]# /usr/sbin/postfix start
postfix/postfix-script: warning: not owned by root: /var/spool/postfix/etc
postfix/postfix-script: starting the Postfix mail system
A:
chown root /var/spool/postfix/etc
Q：
[root@localhost mysql]# mysql -u root password
ERROR 2002 (HY000): Can't connect to local MySQL server through socket /var/lib/mysql/mysql.sock' (2)
A:
在/etc/rc.conf中增加mysql_enable="YES"
QUOTE:
Q：
perl Makefile.PL
make installDBI connect('database=extmail;host=localhost;mysql_socket=/var/lib/mysql/mysql.sock','extmail',...) failed: Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2) at /usr/local/httpd/htdocs/extmail/libs/Ext/Auth/MySQL.pm line 44
A:
vi webmail.cf
修改
SYS_MYSQL_SOCKET = /tmp/mysql.sock
QUOTE:
Q：
Can't call method "prepare" on an undefined value at /usr/local/httpd/htdocs/extman/libs/Ext/Mgr/MySQL.pm line 59.
A:
在mysql.pm里将RaiseError => 0 改为1 这个是打开mysql更多的出错提示。
Q：
Jan 13 13:18:27 mail postfix/virtual[3787]: warning: maildir access problem for UID/GID=502/502: create /home/mail/showdesign.com/demo/Maildir/tmp/1137129507.P3787.mail: Permission denied
A:
更改main.cf中
virtual_uid_maps = static:502
virtual_gid_maps = static:502组ID
QUOTE:
2006-01-13 15:22加入
Q：
在extmail中不能发信，提示：Internal Server Error
The server encountered an internal error or misconfiguration and was unable to complete your request.
在apache日志中显示：
[root@mail ~]# tail -f /usr/local/httpd/logs/error_log
sh: /usr/sbin/sendmail: No such file or directory
sh: /usr/sbin/sendmail: No such file or directory
sh: /usr/sbin/sendmail: No such file or directory
[Thu Jan 12 17:11:19 2006] [notice] caught SIGTERM, shutting down
[Fri Jan 13 12:34:46 2006] [warn] Init: Session Cache is not configured [hint: SSLSessionCache]
[Fri Jan 13 12:34:46 2006] [notice] suEXEC mechanism enabled (wrapper: /usr/local/httpd/bin/suexec)
[Fri Jan 13 12:34:47 2006] [notice] Apache/2.2.0 (Unix) mod_ssl/2.2.0 OpenSSL/0.9.7a PHP/4.4.1 configured -- resuming normal operations
sh: /usr/sbin/sendmail: No such file or directory
sh: /usr/sbin/sendmail: No such file or directory
sh: /usr/sbin/sendmail: No such file or directory
A:
ln -s /usr/local/postfix-2.2.8/src/sendmail/sendmail /usr/sbin/sendmail
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