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Re: FORMS, validating mail was sent [message #181896 is a reply to message #181893]

Fri, 21 June 2013 10:25

The Natural Philosoph
Messages: 993
Registered: September 2010

Karma:

Senior Member

On 21/06/13 10:11, Tim Streater wrote:
> In article <51c37641$0$6623$9b4e6d93(at)newsspool2(dot)arcor-online(dot)net>,
> Christoph Michael Becker <cmbecker69(at)arcor(dot)de> wrote:
>
>> Am 20.06.2013 22:46, schrieb Gordon Burditt:
>>>> I'm a PHP near-newbie working fairly successfully on creating a
>> secure >> PHP e-mail (mail()) function. It occurs to me that the only
>> way a user >> knows (thinks) a form has been sent, is that I tell him
>> so either in a >> line of code or with a Thank You page.
>>>> Since you're a near-newbie, please save the world from having to
>>> block email from your server, and DO NOT put any variables in email
>>> headers, DO NOT put any variables from the user in email headers,
>>> and DO NOT put any variables set in your form in email headers.
>>> Put them in the body of the mail.
>>
>> Or use at least a good email library which caters for security issues
>> and other "details" regarding correct headers.
>>
>> And one should not forget that not everything could be put in the
>> message body--at least not without proper setting of some headers.
>>
>>> Wrong: From: $email
>>> Right: From: www-data(at)myserver(dot)hostingco(dot)com
>>>> Some servers are going to require that (a) the From: address is
>>> local, (b) the From: address is a valid local user, and perhaps (c)
>>> the user name must match the user id of the code that called the
>>> MTA. In other words, there might be only one correct From: line
>>> you're allowed to use.
>>
>> Indeed, but the OP may *try* if custom From headers are allowed on his
>> webspace.
>>
>>> (For a mailing list to customers, you're stuck with a variable
>>> in the To:, Cc:, or Bcc: headers. )
>>
>> In my limited experience Cc and Bcc headers *might* be blocked by the
>> ISP.
>
> Well you shouldn't be sending a Bcc: header, now, should you? :-)

well there is no there way other than sending EACH message INDIVIDULLY
that you can hide other members of the mailing list from the intended
recipient.

The only difference betwen a list mailer and spam, is that the people
recieving spam didnt ask to be on the list...

>
> And why should it block a cc: header anyway? It's just part of the data.
>
Anti-spam. If there are more than e.g. 10 people on a CC: or Bcc field
many ISPs - or mail subsystems - will bounce it as spam.

--
Ineptocracy

(in-ep-toc’-ra-cy) – a system of government where the least capable to lead are elected by the least capable of producing, and where the members of society least likely to sustain themselves or succeed, are rewarded with goods and services paid for by the confiscated wealth of a diminishing number of producers.

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[Message index]

		FORMS, validating mail was sent By: bill on Thu, 20 June 2013 17:40
		Re: FORMS, validating mail was sent By: Jerry Stuckle on Thu, 20 June 2013 17:53
		Re: FORMS, validating mail was sent By: J.O. Aho on Thu, 20 June 2013 18:18
		Re: FORMS, validating mail was sent By: The Natural Philosoph on Thu, 20 June 2013 18:24
		Re: FORMS, validating mail was sent By: Jerry Stuckle on Thu, 20 June 2013 18:40
		Re: FORMS, validating mail was sent By: gordonb.vb4vo on Thu, 20 June 2013 19:44
		Re: FORMS, validating mail was sent By: The Natural Philosoph on Thu, 20 June 2013 21:03
		Re: FORMS, validating mail was sent By: bill on Fri, 21 June 2013 18:06
		Re: FORMS, validating mail was sent By: bill on Sat, 22 June 2013 15:42
		Re: FORMS, validating mail was sent By: Thomas 'PointedEars' on Sun, 23 June 2013 11:13
		Re: FORMS, validating mail was sent By: The Natural Philosoph on Sun, 23 June 2013 11:22
		Re: FORMS, validating mail was sent By: bill on Sun, 23 June 2013 17:07
		Re: FORMS, validating mail was sent By: bill on Sun, 23 June 2013 17:00
		Re: FORMS, validating mail was sent By: J.O. Aho on Sun, 23 June 2013 18:22
		Re: FORMS, validating mail was sent By: bill on Sun, 23 June 2013 18:53
		Re: FORMS, validating mail was sent By: gordonb.4qaft on Mon, 24 June 2013 19:43
		Re: FORMS, validating mail was sent By: Peter H. Coffin on Mon, 24 June 2013 20:09
		Re: FORMS, validating mail was sent By: Thomas 'PointedEars' on Tue, 25 June 2013 13:19
		Re: FORMS, validating mail was sent By: Jerry Stuckle on Tue, 25 June 2013 14:11
		Re: FORMS, validating mail was sent By: bill on Tue, 25 June 2013 15:43
		Re: FORMS, validating mail was sent By: bill on Tue, 25 June 2013 15:32
		Re: FORMS, validating mail was sent By: gordonb.htsnc on Thu, 27 June 2013 15:57
		Re: FORMS, validating mail was sent By: Thomas 'PointedEars' on Thu, 27 June 2013 19:13
		Re: FORMS, validating mail was sent By: Arno Welzel on Fri, 28 June 2013 09:43
		Re: FORMS, validating mail was sent By: gordonb.k0cb7 on Thu, 20 June 2013 20:46
		Re: FORMS, validating mail was sent By: Jerry Stuckle on Thu, 20 June 2013 21:03
		Re: FORMS, validating mail was sent By: gordonb.udxst on Sat, 22 June 2013 00:26
		Re: FORMS, validating mail was sent By: Jerry Stuckle on Sat, 22 June 2013 00:36
		Re: FORMS, validating mail was sent By: bill on Sat, 22 June 2013 16:04
		Re: FORMS, validating mail was sent By: Christoph Michael Bec on Thu, 20 June 2013 21:39
		Re: FORMS, validating mail was sent By: Tim Streater on Fri, 21 June 2013 09:11
		Re: FORMS, validating mail was sent By: The Natural Philosoph on Fri, 21 June 2013 10:25
		Re: FORMS, validating mail was sent By: Tim Streater on Fri, 21 June 2013 11:27
		Re: FORMS, validating mail was sent By: The Natural Philosoph on Fri, 21 June 2013 16:59
		Re: FORMS, validating mail was sent By: Tim Streater on Fri, 21 June 2013 17:25
		Re: FORMS, validating mail was sent By: The Natural Philosoph on Fri, 21 June 2013 22:43
		Re: FORMS, validating mail was sent By: Tim Streater on Sat, 22 June 2013 12:45
		Re: FORMS, validating mail was sent By: bill on Sat, 22 June 2013 16:20
		Re: FORMS, validating mail was sent By: Peter H. Coffin on Thu, 20 June 2013 22:27
		Re: FORMS, validating mail was sent By: The Natural Philosoph on Fri, 21 June 2013 06:57
		Re: FORMS, validating mail was sent By: bill on Sat, 22 June 2013 16:02
		Re: FORMS, validating mail was sent By: GravyCode on Fri, 21 June 2013 18:30

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