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Re: smtp defer messages on smtp-auth error

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  • Wietse Venema
    ... See: http://www.postfix.org/postconf.5.html#smtp_reply_filter A rule like this might do the job. /^535 text from ISP here/ 435 Authentication failed Wietse
    Message 1 of 2 , Sep 1, 2010
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      Ram:
      > One of our postfix servers relays outbound mails to a relay provider
      > using smtpauth.
      > There have been some issues that sporadically the relay providers
      > database returns auth-failure for valid accounts and the mail bounces.
      >
      > I know they have to fix the issue at their database end , but can I
      > configure my postfix to defer mails if authentication fails , rather
      > then bouncing them. For any other rejection , obviously, the mail has
      > to be bounced back.

      See: http://www.postfix.org/postconf.5.html#smtp_reply_filter

      A rule like this might do the job.

      /^535 text from ISP here/ 435 Authentication failed

      Wietse
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