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Re: FORMS, validating mail was sent [message #181913 is a reply to message #181896] Sat, 22 June 2013 16:20 Go to previous messageGo to previous message
bill is currently offline  bill
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Registered: October 2010
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On 2013-06-21 6:25 AM, The Natural Philosopher wrote:
> 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.

....

>>>
>>>> (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.

Not mine; but I do receive reports on anything that looks suspicious.
For an online form, which was the subject of the OP here, a BCC: list
(or even cc:) shouldn't be needed.

If I'm sending out a mailing list though, I do use Bcc: so that
everyone's e-mail address isn't exposed to every recipient's view and
Address Book, just primed to be hacked. But an online form has no use
for such things and they should be filtered from all input.

>>
>> 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...

Not here: Every single person on the list has signed up and ASKED to
receive the e-mails. And those come from me, NOT an online form.
>
>>
>> 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.

Not on any of the four ISP/servers I've used anyway. I'd hope that only
applied to online forms; my limit is 150 e-mails per 24 hr period or 500
per month and they do an excellent job with identifying spam. Should I
send spam, they'll detect it immediately and give me 24 hours to stop.
>
>
>
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