dovecot sieve 遇下转发的邮件自动回复无效的解决
dovecot sieve 遇上转发的邮件自动回复无效的解决现象： 当邮件是经过转发收到的则sieve的vacation自动回复
dovecot sieve 遇上转发的邮件自动回复无效的解决
现象： 当邮件是经过转发收到的则sieve的vacation自动回复功能失效，比如在mark@d1.com上做了转发，凡是发往这个地址的邮件都转发到mark@domain.tld上。
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dovecot lda日志：
The envelope sender
begins with "MAILER-DAEMON" (case-insensitive)
begins with "LISTSERV" (case-insensitive)
begins with "majordomo" (case-insensitive)
begins with "owner-" (case-sensitive)
contains the string "-request" anywhere within it (case-sensitive)
The envelope sender and envelope recipient are the same
The envelope recipient is not found in the message To:, Cc: or Bcc: fields.
http://wiki.dovecot.org/LDA/Sieve??
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根据上面链接中信息以及参考 man 8 pipe ,修改 postfix的master.cf配置如下：
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flags=DRhuXO user=vmail:vmail argv=/usr/local/dovecot/libexec/dovecot/dovecot-lda -f ${sender} -d ${user}@${nexthop} -m ${extension}
-a ${original_recipient}?
给dovecot LDA传递 -a参数变量，问题解决。
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