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Re: postfix gateway with empty relay_recipient_maps plus VRFY

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  • Udo Rader
    ... That was extremely easy, thank you :-) -- Udo Rader, CTO http://www.bestsolution.at http://riaschissl.blogspot.com
    Message 1 of 3 , Nov 30, 2009
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      Eero Volotinen wrote:
      > Udo Rader wrote:
      >> Hi,
      >>
      >> I know, this issue has been discussed quite often, but nevertheless I
      >> am just wondering if something was possible to circumvent the missing
      >> list of recipients.
      >>
      >> Imagine a situation where there is a main postfix gateway used for
      >> spam defence, transporting successfully passed emails to their end
      >> points defined in transport_maps.
      >>
      >> Without knowledge about the valid email addresses that each transport
      >> endpoint supports, the main gateway will just have to accept any email
      >> address for any defined transport endpoint domain.
      >>
      >> Now what I am wondering if it was possible that the main gateway used
      >> the SMTP "VRFY" command with the transport endpoints before actually
      >> sending a email to them.
      >
      > I am using address verification callout on our mailproxy with cache. It
      > works fine. See documentation at:
      >
      > http://www.postfix.org/ADDRESS_VERIFICATION_README.html

      That was extremely easy, thank you :-)

      --
      Udo Rader, CTO
      http://www.bestsolution.at
      http://riaschissl.blogspot.com
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