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Re: Re-write Received Header to Exclude Home Dynamic IP?

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  • Duane Hill
    OT response and the only one. ... Results from a local name server here: [duane@fc58] ~ host 98.190.153.84 84.153.190.98.in-addr.arpa domain name pointer
    Message 1 of 9 , Apr 30, 2011
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      OT response and the only one.

      Saturday, April 30, 2011, 9:23:14 PM, Michael wrote:

      > Just a small follow-up. Using SquirrelMail running on the mail server
      > I have since successfully emailed the customer that previously
      > rejected a conventional ESMTP message. Note that SquirrelMail also
      > includes the remote IP in the Received header (which so happens is the
      > exact same dynamic IP used for the previously rejected message):

      > Received: from 98.190.153.84
      > (SquirrelMail authenticated user whomever)
      > by www.busicorp.com with HTTP;
      > Fri, 29 Apr 2011 23:08:43 -0400 (EDT)
      > Message-ID: <55374.98.190.153.84.1304132913.squirrel@...>
      > Date: Fri, 29 Apr 2011 23:08:43 -0400 (EDT)
      > User-Agent: SquirrelMail/1.4.8-5.el5.centos.10

      > So apparently whatever filtering they're doing isn't as simple as
      > doing an RBL lookup on any IP found in Received headers. Maybe the
      > filter is picking up on some part of the
      > "pool-98-190-153-84.nwrknj.fios.verizon.net" like the "pool-" bit.

      Results from a local name server here:

      [duane@fc58] ~> host 98.190.153.84
      84.153.190.98.in-addr.arpa domain name pointer wsip-98-190-153-84.ph.ph.cox.net.

      [duane@fc58] ~> host wsip-98-190-153-84.ph.ph.cox.net
      wsip-98-190-153-84.ph.ph.cox.net has address 98.190.153.84

      There is no mention of 'pool-' anything above. Is it Cox or Verizon?
      From this angle, it's Cox.

      This does not resolve:

      [duane@fc58] ~> host pool-98-190-153-84.nwrknj.fios.verizon.net
      Host pool-98-190-153-84.nwrknj.fios.verizon.net not found: 3(NXDOMAIN)

      --
      Duane
    • Michael B Allen
      ... I changed the IP for the purpose of posting to a public forum. -- Michael B Allen Java Active Directory Integration http://www.ioplex.com/
      Message 2 of 9 , May 1 5:03 PM
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        On Sat, Apr 30, 2011 at 11:15 PM, Duane Hill <duane@...> wrote:
        > OT response and the only one.
        >
        > Saturday, April 30, 2011, 9:23:14 PM, Michael wrote:
        >
        >> Just a small follow-up. Using SquirrelMail running on the mail server
        >> I have since successfully emailed the customer that previously
        >> rejected a conventional ESMTP message. Note that SquirrelMail also
        >> includes the remote IP in the Received header (which so happens is the
        >> exact same dynamic IP used for the previously rejected message):
        >
        >> Received: from 98.190.153.84
        >>         (SquirrelMail authenticated user whomever)
        >>         by www.busicorp.com with HTTP;
        >>         Fri, 29 Apr 2011 23:08:43 -0400 (EDT)
        >> Message-ID: <55374.98.190.153.84.1304132913.squirrel@...>
        >> Date: Fri, 29 Apr 2011 23:08:43 -0400 (EDT)
        >> User-Agent: SquirrelMail/1.4.8-5.el5.centos.10
        >
        >> So apparently whatever filtering they're doing isn't as simple as
        >> doing an RBL lookup on any IP found in Received headers. Maybe the
        >> filter is picking up on some part of the
        >> "pool-98-190-153-84.nwrknj.fios.verizon.net" like the "pool-" bit.
        >
        > Results from a local name server here:
        >
        >    [duane@fc58] ~> host 98.190.153.84
        >    84.153.190.98.in-addr.arpa domain name pointer wsip-98-190-153-84.ph.ph.cox.net.
        >
        >    [duane@fc58] ~> host wsip-98-190-153-84.ph.ph.cox.net
        >    wsip-98-190-153-84.ph.ph.cox.net has address 98.190.153.84
        >
        > There is no mention of 'pool-' anything above. Is it Cox or Verizon?
        > From this angle, it's Cox.
        >
        > This does not resolve:
        >
        >    [duane@fc58] ~> host pool-98-190-153-84.nwrknj.fios.verizon.net
        >    Host pool-98-190-153-84.nwrknj.fios.verizon.net not found: 3(NXDOMAIN)

        I changed the IP for the purpose of posting to a public forum.

        --
        Michael B Allen
        Java Active Directory Integration
        http://www.ioplex.com/
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