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Editorial Team
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Asked: 2026-06-13T01:36:32+00:00

I’m working on a simple text messaging service for my high school’s student council

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I’m working on a simple text messaging service for my high school’s student council and my hosting service only allows 19 PHP mail messages to be sent per minute, so is there a way I can set an interval to only send 15 emails, wait a minute, send another 15, wait, and do so until all the mail is sent? Below is some of my code, all you’ll probably need to see is the “foreach” section. 

$subject =     ""; 
$message =     "Hey, $first! $messageget";

$header =     'From: Student Council<email@email.net>' . "\r\n" .
               'Reply-To: email@email.net' . "\r\n" . 
              'X-Mailer: PHP/' . phpversion(); 


foreach($to as $value) { 

    $result = mail($value, $subject, $message, $header); 



}
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1 Answer

  1. Editorial Team

    Sending 15 Mails in 60 seconds is equivalent to sending one mail every 4 seconds.

    So if you have a loop that would send all mails one after another, you decelerate by doing a sleep(4) after every mail is sent.

    foreach($to as $value) { 
    $result = mail($value, $subject, $message, $header); 
    sleep(4);
}

    This is way easier than calculating when to send the next batch of 15 mails and then wait another 60 seconds. 🙂

    Additionally, it evens out the usage of CPU and network ressources and does not peak after 60 seconds.

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