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POThrottling PHPmailer for use in Elgg
 

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    <p>I'll be using the social networking software, Elgg, for an organization that needs to send mass emails to specific groups when they need to. The number of emails can range from 10-1000 depending on the group. Web host only allows 500 emails per hour, so I need to throttle the script to send one email every 8 seconds.</p> <p>I'm using PHPmailer with Elgg. PHPmailer says that I should use these two scripts (code below) in conjunction with each other in order to throttle the mailing. I know how I'm going to use the code in the mailing script, I'm just unsure about a couple things.</p> <p>1) I don't really understand the purpose for the safemode</p> <p>2) After looking up set_time_limit, it looks like I should set this to an amount of time to allow all potential emails to be sent, whether it's 10 or 1000? Or is this a max of 30 seconds per loop in case it needs to timeout?</p> <p>3) How should I set this to get what I need?</p> <p>Links to PHPmailer describing code:</p> <p><a href="http://phpmailer.worxware.com/index.php?pg=tip_ext" rel="nofollow">http://phpmailer.worxware.com/index.php?pg=tip_ext</a></p> <p><a href="http://phpmailer.worxware.com/index.php?pg=tip_pause" rel="nofollow">http://phpmailer.worxware.com/index.php?pg=tip_pause</a></p> <pre><code> &lt;?php /* The following code snippet with set the maximum execution time * of your script to 300 seconds (5 minutes) * Note: set_time_limit() does not work with safe_mode enabled */ $safeMode = ( @ini_get("safe_mode") == 'On' || @ini_get("safe_mode") === 1 ) ? TRUE : FALSE; if ( $safeMode === FALSE ) { set_time_limit(300); // Sets maximum execution time to 5 minutes (300 seconds) // ini_set("max_execution_time", "300"); // this does the same as "set_time_limit(300)" } echo "max_execution_time " . ini_get('max_execution_time') . "&lt;br&gt;"; /* if you are using a loop to execute your mailing list (example: from a database), * put the command in the loop */ while (1==1) { set_time_limit(30); // sets (or resets) maximum execution time to 30 seconds) // .... put code to process in here if (1!=1) { break; } } ?&gt; </code></pre> <p>and </p> <pre><code>&lt;?php /* Note: set_time_limit() does not work with safe_mode enabled */ while (1==1) { set_time_limit(30); // sets (or resets) maximum execution time to 30 seconds) // .... put code to process in here usleep(1000000); // sleep for 1 million micro seconds - will not work with Windows servers / PHP4 // sleep(1); // sleep for 1 seconds (use with Windows servers / PHP4 if (1!=1) { break; } } ?&gt; </code></pre>
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    1. COhost limiting would suggest its a shared host, which is not ideal for a project like this.
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    2. COI agree, I want it to be cleaner. They don't need anything heavy from a traffic standpoint. They do rely on being able to email their members a few times a week. I'd have to figure out a way to sync member email addresses with a service like mailchimp, which is unfortunately outside my skill set.
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