email routine for mailing list

[biomike1000]

I would like to make it possible for visitors to insert their email address in a box on my front page. once submitted their details get sent to the webmaster. any ideas

Thanks

Michael

[SyCo]

In it's absolute simplest form this would be copied to the page.

<?
if(@$_POST['email_address']!=''){
$to='webmaster@domain.com';
$subject='email entered';
$message='This email was entered '.$_POST['email_address'];
mail($to,$subject,$message);
}

?>
<form method="post" action="<?=$_SERVER['SCRIPT_NAME']?>">
<input type="text" name="email_address">
<input type="submit" value="Enter">
</form>

It wont stop spammers and it's not validated as an email address

This next version has very the basic validation of something@something.something which will let every valid email address through, check for basic formating but will not check beyond that. I usually find it's enough as the error most people make is forgetting to add the @ or the .com If they can't type their own email, who can help them? This version still will not stop spammers but thats another questions and I don't want to confuse you with a ton of anti spam stuff. This work for now. If you get spam put it in a onclick opened window, thats the easiest way to stop spam.
<?
if(@$_POST['email_address']!=''){
if(preg_match("/^[a-zA-Z0-9]+@[a-zA-Z0-9]+\.[a-zA-Z0-9]+$/",$_POST['email_address'])){
$to='webmaster@domain.com';
$subject='email entered';
$message='This email was entered '.$_POST['email_address'];
mail($to,$subject,$message);
$_POST['email_address']='';
}else{
echo "email format incorrect.<br />";
}
}

?>
<form method="post" action="<?=$_SERVER['SCRIPT_NAME']?>" style="display:inline;">
<input type="text" name="email_address" value="<?=@$_POST['email_address']?>">
<input type="submit" value="Enter">
</form>



edit: change webmaster@domain.com to the domain you want to receive the emails.

Most people would store the emails in a database you can send your email to everyone automatically. As your mailing list grows (with your PHP skills) investigate ways of using MySQL and PHP to set up a newsletter and mailing list. There's loads of tutorials on the web.

[SyCo]

lol, something@something.something was automatically flagged as an email address and replaced with mailto tags. Only difference is the .some is limited to 4 characters. Looks like I'm not the only one validating using the very basics :)