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282658Re: Aliases on local submissions only

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  • Philip Prindeville
    Jan 3, 2012
      On 1/3/12 12:36 AM, Lorens Kockum wrote:
      > On Sun, Jan 01, 2012 at 06:00:46PM -0700, Philip Prindeville wrote:
      >> I have a 'border' postfix MTA that doesn't host any mailboxes, indeed it doesn't even know what the valid usernames are for the domain.
      >>
      >> It merely serves to check messages for viruses, and block DoS attacks.
      >>
      >> As such, I need it to perform aliasing *only* on messages generated locally by system services, such as 'cron'.
      > Wouldn't the easiest way be to configure the box with a specific
      > local domain? If its local domain is "antivirus.example.com",
      > then it won't do alias expansion for anything else. Should the
      > box have your main domain as a local domain it it doesn't even
      > know the valid usernames for the domain?
      >
      > HTH

      Creating extra domains would involve a lot of paperwork and retooling.

      Plus it seems like it would be fixing the symptoms but not the cause.
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