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拦截消息并将其传送至任意命令

tag-icon • tag-icon exim
拦截消息并将其传送至任意命令

我想在 PostgreSQL 数据库中保留通过我的 exim SMTP 传输的每封电子邮件的副本。我需要基本信息：

From, To, CC, BCC and email body

因为如果有可疑活动发生，我可能需要公司经理检查。（在我居住的地方，隐私不是问题！）

我已经设置了一个shadow_transport来实现这一点：

Exim 配置：

maildir_home:
  debug_print = "T: maildir_home for $local_part@$domain"
  driver = appendfile
  .ifdef MAILDIR_HOME_MAILDIR_LOCATION
  directory = MAILDIR_HOME_MAILDIR_LOCATION
  .else
  directory = $home/Maildir
  .endif
  .ifdef MAILDIR_HOME_CREATE_DIRECTORY
  create_directory
  .endif
  .ifdef MAILDIR_HOME_CREATE_FILE
  create_file = MAILDIR_HOME_CREATE_FILE
  .endif
  delivery_date_add
  envelope_to_add
  return_path_add
  maildir_format
  .ifdef MAILDIR_HOME_DIRECTORY_MODE
  directory_mode = MAILDIR_HOME_DIRECTORY_MODE
  .else
  directory_mode = 0700 
  .endif
  .ifdef MAILDIR_HOME_MODE
  mode = MAILDIR_HOME_MODE
  .else
  mode = 0600 
  .endif
  mode_fail_narrower = false
  shadow_transport = save_to_db

save_to_db:
  debug_print = "PG: $sender_address"
  driver = pipe 
  command = /usr/sbin/exim_save_to_db "test" "test2"
  user = Debian-exim
  group = mail

这只是一个简单的脚本，将测试和测试2附加到/tmp/eximtest文件，当我让它正常工作时我会扩展它。

剧本：

#!/bin/sh
# Get data from exim server and save to postgres database for future reference
# Args: 1->recipients (from to bcc etc ) 2->emailbody
echo "$1" >> /tmp/eximtest
echo "$2" >> /tmp/eximtest

# return 0 as success for Exim
echo 0

使用任意 2 个参数从命令行运行exim_save_to_db即可完成此任务。从 exim 运行则不会，尽管我在日志中发现影子传输已执行：

R=local_user T=maildir_home ST=save_to_db

我还添加了debug_print = "PG: $sender_address"查看日志中是否发生了某些事情但未打印消息。

答案1

拦截消息并将其传送至任意命令

进出控制配置文件：

system_filter = /etc/exim/system_filter.conf

系统过滤器配置文件：

if $h_subject contains "PIPETEST"
then
  unseen pipe "/usr/local/bin/pipetest_filter.php $message_size"
endif

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