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Re: testing email deliverability...

Cross-posted to 2 groups.

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Eli the Bearded, 2014-06-05 06:53:

> In comp.os.linux.misc, Tony Marston <TonyMarston@hotmail.com> wrote:
>> "The Natural Philosopher"  wrote:
>>> I want to make sure that anyone using them has a valid reply address set in 
>>> a web form BEFORE I forward the message on to the site administrators.
> 
> I'd like to verify that the lottery number is going to win before I buy the
> ticket. Unfortunely I don't think either of us is going to be happy.
> 
>>> is_valid_mail("user12345@gmail.com")
> 
> Did you think that you are the first person to want this? Think how useful
> it would be for spammers to find new email addresses before sending email!
> 
>> You can use the filter_var() function at 
>> http://uk3.php.net/manual/en/function.filter-var.php to check that an email 
>> address is syntactically valid, but you cannot check that an email exists 
>> without sending an email and getting a response back.
> 
> I have NEVER seen a "syntactically valid" check that really works. The

This one should:

<http://www.ex-parrot.com/~pdw/Mail-RFC822-Address.html>



-- 
Arno Welzel
http://arnowelzel.de
http://de-rec-fahrrad.de
http://fahrradzukunft.de

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Thread

testing email deliverability... The Natural Philosopher <tnp@invalid.invalid> - 2014-06-05 01:48 +0100
  Re: testing email deliverability... Keith Keller <kkeller-usenet@wombat.san-francisco.ca.us> - 2014-06-04 18:40 -0700
  Re: testing email deliverability... "Tony Marston" <TonyMarston@hotmail.com> - 2014-06-05 03:47 +0100
    Re: testing email deliverability... Eli the Bearded <*@eli.users.panix.com> - 2014-06-05 04:53 +0000
      Re: testing email deliverability... Richard Kettlewell <rjk@greenend.org.uk> - 2014-06-05 09:13 +0100
        Re: testing email deliverability... Keith Keller <kkeller-usenet@wombat.san-francisco.ca.us> - 2014-06-05 08:05 -0700
      Re: testing email deliverability... Arno Welzel <usenet@arnowelzel.de> - 2014-06-09 11:30 +0200
        Re: testing email deliverability... Eli the Bearded <*@eli.users.panix.com> - 2014-06-09 23:08 +0000
          Re: testing email deliverability... Arno Welzel <usenet@arnowelzel.de> - 2014-06-10 11:08 +0200
  Re: testing email deliverability... Sam <sam@email-scan.com> - 2014-06-04 22:04 -0500
    Re: testing email deliverability... Jerry Stuckle <jstucklex@attglobal.net> - 2014-06-04 23:27 -0400
    Re: testing email deliverability... The Natural Philosopher <tnp@invalid.invalid> - 2014-06-05 05:37 +0100
      Re: testing email deliverability... Keith Keller <kkeller-usenet@wombat.san-francisco.ca.us> - 2014-06-04 21:55 -0700
      Re: testing email deliverability... Chuck Anderson <cycletourist@invalid.invalid> - 2014-06-05 21:36 -0600
        Re: testing email deliverability... Jerry Stuckle <jstucklex@attglobal.net> - 2014-06-06 09:41 -0400
          Re: testing email deliverability... Denis McMahon <denismfmcmahon@gmail.com> - 2014-06-06 14:37 +0000
            Re: testing email deliverability... The Natural Philosopher <tnp@invalid.invalid> - 2014-06-06 16:46 +0100
              Re: testing email deliverability... Keith Keller <kkeller-usenet@wombat.san-francisco.ca.us> - 2014-06-06 10:39 -0700
  Re: testing email deliverability... Jerry Stuckle <jstucklex@attglobal.net> - 2014-06-04 23:05 -0400
  Re: testing email deliverability... "AvdB" <nomail@example.invalid> - 2014-06-05 12:59 +0200
    Re: testing email deliverability... The Natural Philosopher <tnp@invalid.invalid> - 2014-06-05 13:51 +0100
  Re: testing email deliverability... Adrienne Boswell <arbpen@yahoo.com> - 2014-06-05 18:39 +0000
    Re: testing email deliverability... Eli the Bearded <*@eli.users.panix.com> - 2014-06-05 20:46 +0000
      Re: testing email deliverability... Keith Keller <kkeller-usenet@wombat.san-francisco.ca.us> - 2014-06-05 14:41 -0700
      Re: testing email deliverability... Adrienne Boswell <arbpen@yahoo.com> - 2014-06-05 22:21 +0000
  Re: testing email deliverability... James Moe <jimoeDESPAM@sohnen-moe.com> - 2014-06-05 13:14 -0700
  Re: testing email deliverability... Arno Welzel <usenet@arnowelzel.de> - 2014-06-06 14:11 +0200
  Re: testing email deliverability... Chris Davies <chris-usenet@roaima.co.uk> - 2014-06-09 13:53 +0100

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