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Re: FORMS, validating mail was sent

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On 2013-06-25 10:11 AM, Jerry Stuckle wrote:
>>> Valid From addresses include all that meet the Address Specification in
>>> RFC 5322, instead.  This is a purely *syntactical* determination.  It is
>>> the fact that even addresses for which there are no mailboxes at the
>>> sending server can be used in the From header field value, and that
>>> afterwards checking of addresses is unreliable, that allows spammers to
>>> thrive.
>>
>>  From the point of view of sendmail, which is used by default setups
>> in PHP
>> (except for Windows), there are other requirements.  Sendmail doesn't
>> like
>> local users to forge mail in the name of other users.
>
> Nonsense.

In the electrical residential wiring world, the lates NEC code is often 
thought to be the "bible" describing all of what can and cannot be done 
when that isn't true: The Local Zoning Rul;es & Regs are the final word; 
without checking those, you may well not pass an electrical inspection.
    It's the same with PHP; it is not the final word, but it is the list 
of all that needs to be known with one important exception: Like the 
wiring codes, the server-admins where sites are parked will have their 
own rules too. Don't follow those and PHP may never run on those 
servers. Your server will tell you a lot of things you need to do to 
make PHP compatible with their servers; directory locations, how to use 
them, what their MX et al may require, and on and on.

I don't mean to sound authorative here, just relating my own experience 
based on 4 different servers I've used over the years.

Regards,

Twayne

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FORMS, validating mail was sent Twayne <nobody@spamcop.net> - 2013-06-20 13:40 -0400
  Re: FORMS, validating mail was sent Jerry Stuckle <jstucklex@attglobal.net> - 2013-06-20 13:53 -0400
  Re: FORMS, validating mail was sent "J.O. Aho" <user@example.net> - 2013-06-20 20:18 +0200
  Re: FORMS, validating mail was sent The Natural Philosopher <tnp@invalid.invalid> - 2013-06-20 19:24 +0100
    Re: FORMS, validating mail was sent Jerry Stuckle <jstucklex@attglobal.net> - 2013-06-20 14:40 -0400
    Re: FORMS, validating mail was sent gordonb.vb4vo@burditt.org (Gordon Burditt) - 2013-06-20 14:44 -0500
      Re: FORMS, validating mail was sent The Natural Philosopher <tnp@invalid.invalid> - 2013-06-20 22:03 +0100
      Re: FORMS, validating mail was sent Twayne <nobody@spamcop.net> - 2013-06-21 14:06 -0400
      Re: FORMS, validating mail was sent Twayne <nobody@spamcop.net> - 2013-06-22 11:42 -0400
      Re: FORMS, validating mail was sent Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2013-06-23 13:13 +0200
        Re: FORMS, validating mail was sent The Natural Philosopher <tnp@invalid.invalid> - 2013-06-23 12:22 +0100
          Re: FORMS, validating mail was sent Twayne <nobody@spamcop.net> - 2013-06-23 13:07 -0400
        Re: FORMS, validating mail was sent Twayne <nobody@spamcop.net> - 2013-06-23 13:00 -0400
          Re: FORMS, validating mail was sent "J.O. Aho" <user@example.net> - 2013-06-23 20:22 +0200
            Re: FORMS, validating mail was sent Twayne <nobody@spamcop.net> - 2013-06-23 14:53 -0400
        Re: FORMS, validating mail was sent gordonb.4qaft@burditt.org (Gordon Burditt) - 2013-06-24 14:43 -0500
          Re: FORMS, validating mail was sent "Peter H. Coffin" <hellsop@ninehells.com> - 2013-06-24 15:09 -0500
          Re: FORMS, validating mail was sent Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2013-06-25 15:19 +0200
            Re: FORMS, validating mail was sent Jerry Stuckle <jstucklex@attglobal.net> - 2013-06-25 10:11 -0400
              Re: FORMS, validating mail was sent Twayne <nobody@spamcop.net> - 2013-06-25 11:43 -0400
            Re: FORMS, validating mail was sent Twayne <nobody@spamcop.net> - 2013-06-25 11:32 -0400
            Re: FORMS, validating mail was sent gordonb.htsnc@burditt.org (Gordon Burditt) - 2013-06-27 10:57 -0500
              Re: FORMS, validating mail was sent Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2013-06-27 21:13 +0200
            Re: FORMS, validating mail was sent Arno Welzel <usenet@arnowelzel.de> - 2013-06-28 11:43 +0200
  Re: FORMS, validating mail was sent gordonb.k0cb7@burditt.org (Gordon Burditt) - 2013-06-20 15:46 -0500
    Re: FORMS, validating mail was sent Jerry Stuckle <jstucklex@attglobal.net> - 2013-06-20 17:03 -0400
      Re: FORMS, validating mail was sent gordonb.udxst@burditt.org (Gordon Burditt) - 2013-06-21 19:26 -0500
        Re: FORMS, validating mail was sent Jerry Stuckle <jstucklex@attglobal.net> - 2013-06-21 20:36 -0400
      Re: FORMS, validating mail was sent Twayne <nobody@spamcop.net> - 2013-06-22 12:04 -0400
    Re: FORMS, validating mail was sent Christoph Michael Becker <cmbecker69@arcor.de> - 2013-06-20 23:39 +0200
      Re: FORMS, validating mail was sent Tim Streater <timstreater@greenbee.net> - 2013-06-21 10:11 +0100
        Re: FORMS, validating mail was sent The Natural Philosopher <tnp@invalid.invalid> - 2013-06-21 11:25 +0100
          Re: FORMS, validating mail was sent Tim Streater <timstreater@greenbee.net> - 2013-06-21 12:27 +0100
            Re: FORMS, validating mail was sent The Natural Philosopher <tnp@invalid.invalid> - 2013-06-21 17:59 +0100
              Re: FORMS, validating mail was sent Tim Streater <timstreater@greenbee.net> - 2013-06-21 18:25 +0100
                Re: FORMS, validating mail was sent The Natural Philosopher <tnp@invalid.invalid> - 2013-06-21 23:43 +0100
                Re: FORMS, validating mail was sent Tim Streater <timstreater@greenbee.net> - 2013-06-22 13:45 +0100
          Re: FORMS, validating mail was sent Twayne <nobody@spamcop.net> - 2013-06-22 12:20 -0400
    Re: FORMS, validating mail was sent "Peter H. Coffin" <hellsop@ninehells.com> - 2013-06-20 17:27 -0500
      Re: FORMS, validating mail was sent The Natural Philosopher <tnp@invalid.invalid> - 2013-06-21 07:57 +0100
    Re: FORMS, validating mail was sent Twayne <nobody@spamcop.net> - 2013-06-22 12:02 -0400
  Re: FORMS, validating mail was sent GravyCode <matty023@gmail.com> - 2013-06-21 11:30 -0700

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