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Re: [PHP] PHP mail() and SMTP Authentication ?

------------ Original Message ------------
> Date: Saturday, June 27, 2015 08:08:44 AM +0100
> From: Ashley Sheridan <ash@xxxxxxxxxxxxxxxxxxxx>
> On 27 June 2015 00:28:36 BST, dealTek <dealtek@xxxxxxxxx> wrote:
>> Hi all,
>> I'm working on a server and want to send out mail either from a
>> form to email or get email address from database then send
>> I'm using PHP mail()
>> currently the mail send out fine with simple  PHP mail() ...
>> but do I need to us PHP mail() and some kind of SMTP
>> Authentication to lock it down?
>> PHPMailer... or some better way?
>> do I need to install something like this on the server?
>> https://github.com/PHPMailer/PHPMailer
>> If so what's best with PHP mail() ? or is there some more modern
>> way to lock it down...
> What do you mean my locking it down? Do you mean to prevent it
> being used in a spam relay?

You also need so provide a sense of how sending mail is handled in
your current environment. E.g., are you running an MTA on your
server and sending out directly; are you running an MTA that is
configured to pass mail to a "smarthost"; do you send mail via a[n
authenticated] submission port?

Whether authentication is required or not is really an MTA
configuration issue. If your server is running an MTA and able to
send mail out directly (or via a smarthost) then you need to manage
the MTA's configuration in order to control who/what can send.

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