extmail Q&A,欢迎大家把安装配置extmail中遇到问题的解决方法贴出来
extmail Q&A已经成功安装extmail。遇到不少问题，翻了论坛的很多帖子都解决了。现把一些典型问题整理出来，
答案都是抄前辈的，只为方便大家查找。
欢迎跟贴，要求有答案。
环境:
Linux 2.6.12.1
extmail-0.22-20051216
extman-0.12-20051216
Q:
[Sun Feb 12 18:16:54 2006] [error] [client 221.220.138.54] Premature end of script headers: index.cgi
A:
多种原因，可能是suexec配置错误
Q:
Can't call method "prepare" on an undefined value at /usr/local/www/cgi-bin/extman/libs/Ext/Mgr/MySQL.pm line 59
不知道该怎么解决。
A:
这个问题以前也有几个朋友遇到过，应该是DBD::mysql与mysql server的版本不兼容的问题。
我来测试，我也遇到这个问题，我改了之后发现提示
Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2) at /usr/local/www/cgi-bin/extman/libs/Ext/Mgr/MySQL.pm line 45
就是'/var/lib/mysql/mysql.sock' ，改成/tmp/mysql.sock 就没问题了
Q:
Apache + Suexec 模式 问题:suexec日至提示
suexec日志提示
[2005-12-17 21:56:28]: uid: (2001/extmail) gid: (2001/2001) cmd: index.cgi
[2005-12-17 21:56:28]: command not in docroot (/usr/local/www/cgi-bin-dist/extmail/cgi/index.cgi)
A:
提示很清楚的表示，楼主存放extmail/man的cgi目录不在suexec的doc_root里，
要搞清楚这个doc_root很容易，执行suexec -V 就可以看到编译时的一些参数，包括了这个
doc_root和uid/gid 的限制信息。
必须要将cgi程序放到doc_root里，这个doc_root类似一个jail，一个监狱，限制cgi程序的存放
提高安全性。
如果是用源码编译apche，默认是/usr/local/httpd/htdocs/
Q:
Can't locate Ext/CGI.pm in @INC (@INC contains: /usr/local/httpd/htdocs/message.veryi.com/htdocs/extman/libs /usr/lib/perl5/5.8.5/i386-linux-thread-multi
A:
看样子是没有将需要的一些基础库链接好。
./buildlink.sh clean之后，假设 extmail在/usr/local/www/apache22/cgi-bin/extmail里，运行：
./buildlink.sh build /usr/local/www/apache22/cgi-bin/extmail/libs [quote][b]下面是引用veryi于2006-02-13 21:44发表的extmail Q&A,欢迎大家把安装配置extmail中遇到问题的解决方法贴出来:[/b]
extmail Q&A
已经成功安装extmail。遇到不少问题，翻了论坛的很多帖子都解决了。现把一些典型问题整理出来，
答案都是抄前辈的，只为方便大家查找。
欢迎跟贴，要求有答案。
.......[/quote]
非常感谢楼主的工作！大家都来补充补充啊~ Q:
Can't locate DB_File.pm in @INC (@INC contains: /var/www/cgi-bin/extmail/libs
A:
楼主的perl没有DB_File支持。可以在[url]http://search.cpan.org[/url]上
搜索DB::File模块，然后下载，回来解开，按INSTALL或README里的介绍安装。
自动安装
perl -MCPAN -e shell
install DB_File Q:
安装postfix时报错：
bin/postconf: error while loading shared libraries: libsasl2.so.2: cannot open shared object file
A:
find /usr -name "libsasl2.so.2"
找到文件后将路径加入到/etc/ld.so.conf，然后执行ldconfig就可以了 我的装完后运行webmail出下列错误，
Forbidden
You don't have permission to access /extmail/cgi/index.cgi on this server.
--------------------------------------------------------------------------------
Apache/2.0.52 (Red Hat) Server at 192.168.6.5 Port 80 cd extmail
chmod -R ugo+x cgi/*
安装文档里写得比较清楚,论坛里也有这个问题的解答。 Q:
extman可以login，无论把密码修改成什么，extmail不能login，日志里也不报错
A：
清空IE的cache、cookie。这个问题困扰了我一下午，最后在SunGod的帮助下解决。
有那位高手对 cookie 熟悉，帮助解决一下extmail cookie的问题，
好象extman不存在这个问题，是否可以参照extman的代码。 Can't write to 1141454692_P9558_extmail, No such file or directory
这是什么原因?
PS:产生这个提示是在写邮件点发送时出现的（服务器用启了SELinux） Q:
Mar 12 14:02:29 mail postfix/master[16733]: warning: process /usr/libexec/postfix/smtpd pid 16775 killed by signal 11
Mar 12 14:02:29 mail postfix/master[16733]: warning: /usr/libexec/postfix/smtpd: bad command startup -- throttling
A:
可能是由于 postfix链接了的错误的db库,用源码安装的berkerly db与系统原有db产生不一致，删除系统原有Berkeley DB用源码安装，或者编译sasl和postfix不指定bdb
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Q:
Mar 12 15:49:37 mail postfix/smtpd[7171]: connect from unknown[221.220.137.74]
Mar 12 15:49:37 mail postfix/smtpd[7171]: warning: SASL authentication problem: unable to open Berkeley db no: No such file or directory
A:
postfix找不到smtpd.conf
vi /usr/local/lib/sasl2/smtpd.conf
pwcheck_method: authdaemond
log_level: 3
mech_list: PLAIN LOGIN
authdaemond_path:/var/spool/authdaemon/socket
postfix的相关配置：
smtpd_recipient_restrictions =
permit_mynetworks,
permit_sasl_authenticated
smtpd_sasl_auth_enable = yes
smtpd_sasl_local_domain =
broken_sasl_auth_clients = yes
smtpd_sasl_security_options = noanonymous
解决这两个错误花了我近一个月的时间，突然不报错了，喜悦难以表达。每个周未2天都坐在电脑前不停删除、make，水平有限啊，建议英文好的朋友直接看官方文档，少走弯路。 install_driver(mysql) failed: Can't locate DBD/mysql.pm in @INC (@INC contains: /home/httpd/extmail/libs /usr/lib/perl5/5.8.5/i586-linux-thread-multi /usr/lib/perl5/5.8.5 /usr/lib/perl5/site_perl/5.8.5/i586-linux-thread-multi /usr/lib/perl5/site_perl/5.8.5 /usr/lib/perl5/site_perl /usr/lib/perl5/vendor_perl/5.8.5/i586-linux-thread-multi /usr/lib/perl5/vendor_perl/5.8.5 /usr/lib/perl5/vendor_perl .) at (eval 6) line 3. Perhaps the DBD::mysql perl module hasn't been fully installed, or perhaps the capitalisation of 'mysql' isn't right. Available drivers: DBM, ExampleP, File, Proxy, SQLite, Sponge. at /home/httpd/extmail/libs/Ext/Auth/MySQL.pm line 44
[ Go Back ] >> Re-Login
这是什么错误? 楼上问的2个问题论坛里都已有解答，麻烦你们多翻翻好不好。我装extmail三个多月，论坛的每一个帖子几乎都看过了。
再次申明，要求有答案。
本贴不负责解答问题，只是为了 节约大家时间 方便大家查找 而做的汇总。
如果都把问题贴到这里，这里会越来越乱，只能是浪费大家时间。
如有问题请开新的帖子。
谢谢您。 Q:
通过web发送中文邮件对方收到乱码，而收到的中文邮件显示正常
A：
修改 webmail.cn
# sys_user_lang, user default language
#SYS_USER_LANG = en_US
SYS_USER_LANG = zh_CN
# sys_user_charset, user default charset
#SYS_USER_CHARSET = iso-8859-1
SYS_USER_CHARSET = gb2312 Q:
/usr/local/sbin/amavisd -u amavis debug
ERROR: MISSING REQUIRED BASIC MODULES:
Time::HiRes
IO::Wrap
...
Net::Server
Net::Server::PreForkSimple
BEGIN failed--compilation aborted at /usr/local/sbin/amavisd line 147.
但是这些包我都装过了啊，只是在装Net::Server时make test有点问题。
这会是什么毛病呢？
A:
这个问题已经解决,
系统默认安装了perl 5.6.1，由于我要用 gcc 编译很多perl模块所以我又装了 perl 5.8.7，所以 /usr/bin/perl 是 perl 5.6.1，修改如下：
#mv /usr/bin/perl /usr/bin/perl.ori
#ln -s /usr/local/bin/perl /usr/bin/perl
就好了 Q:
Can't locate DBI.pm in @INC (@INC contains: /usr/local/www/cgi-bin/extman/libs /usr/local/lib/perl5/site_perl/5.8.7/mach /usr/local/lib/perl5/site_perl/5.8.7 /usr/local/lib/perl5/site_perl /usr/local/lib/perl5/5.8.7/BSDPAN /usr/local/lib/perl5/5.8.7/mach /usr/local/lib/perl5/5.8.7 .) at /usr/local/www/cgi-bin/extman/libs/Ext/Mgr/MySQL.pm line 13. BEGIN failed--compilation aborted at /usr/local/www/cgi-bin/extman/libs/Ext/Mgr/MySQL.pm line 13. Compilation failed in require at /usr/local/www/cgi-bin/extman/libs/Ext/Mgr.pm line 36.
在IE里打上[url]http://192.168.1.22/extman/cgi/index.cgi[/url]出现.不知道怎么解决.请大虾帮看看 偶也把遇到的问题和解决的方法贴出来（当然，这都是extmail的成果）呵呵！！
Can't locate /en_US in @INC (@INC contains: /usr/local/www/apache22/cgi-bin/extmail/libs /usr/local/lib/perl5/site_perl/5.8.7/mach /usr/local/lib/perl5/site_perl/5.8.7 /usr/local/lib/perl5/site_perl /usr/local/lib/perl5/5.8.7/BSDPAN /usr/local/lib/perl5/5.8.7/mach /usr/local/lib/perl5/5.8.7 .) at /usr/local/www/apache22/cgi-bin/extmail/libs/Ext/Lang.pm line 54.
原因：webmail.cf 的配置文件中的：
语言包路径设置不对
错误2：用extmail用户登陆后报了以下错误
install_driver(mysql) failed: Can't load '/usr/local/lib/perl5/site_perl/5.8.7/mach/auto/DBD/mysql/mysql.so' for module DBD::mysql: Shared object "libmysqlclient.so.12" not found, required by "mysql.so" at /usr/local/lib/perl5/5.8.7/mach/DynaLoader.pm line 230. at (eval 8) line 3 Compilation failed in require at (eval 8) line 3. Perhaps a required shared library or dll isn't installed where expected at /usr/local/www/apache22/cgi-bin/extmail/libs/Ext/Auth/MySQL.pm line 44
原因：没有安装 p5-DBD-mysql4x
解决： #cd /usr/ports/databases/p5-DBD-mysql4x
#make install clean 希望帮忙解决这个问题：
[Mon Apr 24 01:21:24 2006] [warn] FastCGI: (dynamic) server "/usr/local/www/data/extmail/cgi/index.cgi" (pid 7513) terminated by calling exit with status '0'
[Mon Apr 24 01:21:28 2006] [warn] FastCGI: (dynamic) server "/usr/local/www/data/extmail/cgi/index.cgi" restarted (pid 7514)
Use of uninitialized value in pattern match (m//) at /usr/local/www/data/extmail/cgi/index.cgi line 6.
Content-type: text/html
。。。。。。
[Mon Apr 24 01:21:28 2006] [warn] FastCGI: (dynamic) server "/usr/local/www/data/extmail/cgi/index.cgi" (pid 7514) terminated by calling exit with status '0'
[Mon Apr 24 01:21:28 2006] [warn] FastCGI: (dynamic) server "/usr/local/www/data/extmail/cgi/index.cgi" has failed to remain running for 30 seconds given 3 attempts, its restart interval has been backed off to 600 seconds
[Mon Apr 24 01:21:29 2006] [warn] FastCGI: (dynamic) server "/usr/local/www/data/extmail/cgi/index.cgi" has failed to remain running for 30 seconds given 3 attempts, its restart interval has been backed off to 600 seconds
[Mon Apr 24 01:21:30 2006] [warn] FastCGI: (dynamic) server "/usr/local/www/data/extmail/cgi/index.cgi" has failed to remain running for 30 seconds given 3 attempts, its restart interval has been backed off to 600 seconds [quote][b]下面是引用softbt于2006-04-24 01:40发表的:[/b]
希望帮忙解决这个问题：
[Mon Apr 24 01:21:24 2006] [warn] FastCGI: (dynamic) server "/usr/local/www/data/extmail/cgi/index.cgi" (pid 7513) terminated by calling exit with status '0'
[Mon Apr 24 01:21:28 2006] [warn] FastCGI: (dynamic) server "/usr/local/www/data/extmail/cgi/index.cgi" restarted (pid 7514)
Use of uninitialized value in pattern match (m//) at /usr/local/www/data/extmail/cgi/index.cgi line 6.
Content-type: text/html
.......[/quote]
楼上的请参考README.fcgi的方法配置fcgi，不要直接对extmail/cgi/进行直接的fcgi配置，
这样是徒劳无功，没任何意义的。 extman可以login，extmail登陆时提示“Can't chdir to /home/mail/extmail.org/abc/Maildir/, Permission denied ”，请教高手怎么解决。 [quote][b]下面是引用lxfeig于2006-06-08 14:19发表的:[/b]
extman可以login，extmail登陆时提示“Can't chdir to /home/mail/extmail.org/abc/Maildir/, Permission denied ”，请教高手怎么解决。[/quote]
典型的权限问题，检查一下apache及/home/mail的uid/gid（拥有者及组id等。。）是否匹配。
更具体的，楼上请搜索本论坛，这类问题很多人问过，解决方法都在论坛里有了。 用extmail用户登陆后报了以下错误
Can't locate DBI.pm in @INC (@INC contains: /usr/local/www/apache22/cgi-bin/extmail/libs /usr/local/lib/perl5/5.8.8/BSDPAN /usr/local/lib/perl5/site_perl/5.8.8/mach /usr/local/lib/perl5/site_perl/5.8.8 /usr/local/lib/perl5/site_perl /usr/local/lib/perl5/5.8.8/mach /usr/local/lib/perl5/5.8.8 .) at /usr/local/www/apache22/cgi-bin/extmail/libs/Ext/Auth/MySQL.pm line 13. BEGIN failed--compilation aborted at /usr/local/www/apache22/cgi-bin/extmail/libs/Ext/Auth/MySQL.pm line 13. Compilation failed in require at /usr/local/www/apache22/cgi-bin/extmail/libs/Ext/Auth.pm line 36. [quote][b]下面是引用zcwhy于2006-06-26 15:31发表的:[/b]
用extmail用户登陆后报了以下错误
Can't locate DBI.pm in @INC (@INC contains: /usr/local/www/apache22/cgi-bin/extmail/libs /usr/local/lib/perl5/5.8.8/BSDPAN /usr/local/lib/perl5/site_perl/5.8.8/mach /usr/local/lib/perl5/site_perl/5.8.8 /usr/local/lib/perl5/site_perl /usr/local/lib/perl5/5.8.8/mach /usr/local/lib/perl5/5.8.8 .) at /usr/local/www/apache22/cgi-bin/extmail/libs/Ext/Auth/MySQL.pm line 13. BEGIN failed--compilation aborted at /usr/local/www/apache22/cgi-bin/extmail/libs/Ext/Auth/MySQL.pm line 13. Compilation failed in require at /usr/local/www/apache22/cgi-bin/extmail/libs/Ext/Auth.pm line 36.[/quote]
这种问题楼上的应该解决好了吧？没有DBI.pm的提示实际就是告诉你系统没装perl-DBI模块，
到ports里找一下，装好，记得再装DBD-mysql（如果打开了mysql支持的话） install_driver(mysql) failed: Can't load '/usr/local/lib/perl5/site_perl/5.8.7/mach/auto/DBD/mysql/mysql.so' for module DBD::mysql: Shared object "libmysqlclient.so.12" not found, required by "mysql.so" at /usr/local/lib/perl5/5.8.7/mach/DynaLoader.pm line 230. at (eval 6) line 3 Compilation failed in require at (eval 6) line 3. Perhaps a required shared library or dll isn't installed where expected at /usr/local/www/cgi-bin/extman/libs/Ext/Mgr/MySQL.pm line 45 无法看到extman界面，extman提示语法错误！
yntax error at /usr/local/www/cgi-bin/extman/libs/Ext/CGI.pm line 1, near "/usr/local" Compilation failed in require at /usr/local/www/cgi-bin/extman/libs/Ext/MgrApp.pm line 21. BEGIN failed--compilation aborted at /usr/local/www/cgi-bin/extman/libs/Ext/MgrApp.pm line 21. Compilation failed in require at /usr/local/www/cgi-bin/extman/libs/Ext/MgrApp/Login.pm line 19. BEGIN failed--compilation aborted at /usr/local/www/cgi-bin/extman/libs/Ext/MgrApp/Login.pm line 19. Compilation failed in require at /usr/local/www/cgi-bin/extman/cgi/index.cgi line 20.
extman用的是fongyong置顶帖子里面自动安装包的extman我也没看到版本。 [quote][b]下面是引用chier于2006-07-19 01:28发表的:[/b]
install_driver(mysql) failed: Can't load '/usr/local/lib/perl5/site_perl/5.8.7/mach/auto/DBD/mysql/mysql.so' for module DBD::mysql: Shared object "libmysqlclient.so.12" not found, required by "mysql.so" at /usr/local/lib/perl5/5.8.7/mach/DynaLoader.pm line 230. at (eval 6) line 3 Compilation failed in require at (eval 6) line 3. Perhaps a required shared library or dll isn't installed where expected at /usr/local/www/cgi-bin/extman/libs/Ext/Mgr/MySQL.pm line 45[/quote]
没有装mysql的客户端动态库（libmysqlclient.so.*）。 mysql分server和client的，要用mysql
至少还得有client的库才行啊。 [size=4]老大，你的extman中的buildlink.sh脚本中，extmail的路径总是读取成'/var/'，我的extmail在'/usr/local/www'下面。
请问下你的这个“for i in CGI Config Lang Session Utils RFC822;do”循环赋值，参照哪个文件呀？？
谢谢。
我想改成/usr/local/www目录下。[/size] 请问老大，这是会事儿呀？？
我已经捣鼓3天了，都看不到extman的界面
[quote]Global symbol "$CFG" requires explicit package name at /usr/local/www/cgi-bin/extman/libs/Ext/MgrApp.pm line 103. BEGIN not safe after errors--compilation aborted at /usr/local/www/cgi-bin/extman/libs/Ext/MgrApp.pm line 125. Compilation failed in require at /usr/local/www/cgi-bin/extman/libs/Ext/MgrApp/Login.pm line 19. BEGIN failed--compilation aborted at /usr/local/www/cgi-bin/extman/libs/Ext/MgrApp/Login.pm line 19. Compilation failed in require at /usr/local/www/cgi-bin/extman/cgi/index.cgi line 20.[/quote] yum –y install rrdtool 登录extmail 出现这样是怎么回事啊
DBD::mysql::st execute failed: Unknown column 'extmail' in 'where clause' at /usr/local/apache/cgi-bin/extmail/libs/Ext/Auth/MySQL.pm line 82.
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