{"id":33377,"date":"2023-02-07T11:08:58","date_gmt":"2023-02-07T05:38:58","guid":{"rendered":"https:\/\/jassweb.com\/solved\/solved-how-to-send-100000-emails-weekly-closed\/"},"modified":"2023-02-07T11:08:58","modified_gmt":"2023-02-07T05:38:58","slug":"solved-how-to-send-100000-emails-weekly-closed","status":"publish","type":"post","link":"https:\/\/jassweb.com\/solved\/solved-how-to-send-100000-emails-weekly-closed\/","title":{"rendered":"[Solved] How to send 100,000 emails weekly? [closed]"},"content":{"rendered":"<p> [ad_1]<br \/>\n<\/p>\n<div id=\"answer-3905805\" class=\"answer js-answer accepted-answer js-accepted-answer\" data-answerid=\"3905805\" data-parentid=\"3905734\" data-score=\"679\" data-position-on-page=\"1\" data-highest-scored=\"1\" data-question-has-accepted-highest-score=\"1\" itemprop=\"acceptedAnswer\" itemscope itemtype=\"https:\/\/schema.org\/Answer\">\n<div class=\"post-layout\">\n<div class=\"votecell post-layout--left\"><\/div>\n<div class=\"answercell post-layout--right\">\n<div class=\"s-prose js-post-body\" itemprop=\"text\">\n<p><strong>Short answer:<\/strong> While it&#8217;s technically possible to send 100k e-mails each week yourself, the simplest, easiest and cheapest solution is to <strong>outsource this<\/strong> to one of the companies that specialize in it (I <em>did<\/em> say &#8220;cheapest&#8221;: there&#8217;s no limit to the amount of development time (and therefore money) that you can sink into this when trying to DIY).<\/p>\n<p><strong>Long answer:<\/strong> If you decide that you <em>absolutely want<\/em> to do this yourself, prepare for a world of hurt (after all, this is e-mail\/e-fail we&#8217;re talking about). You&#8217;ll need:<\/p>\n<ul>\n<li>e-mail content that <em>is not<\/em> spam (otherwise you&#8217;ll run into additional major roadblocks on every step, even legal repercussions)<\/li>\n<li>in addition, your content should be easy to <em>distinguish<\/em> from spam &#8211; that may be a bit hard to do in some cases (I heard that a certain pharmaceutical company had to all but abandon e-mail, as their brand names are quite common in spams)<\/li>\n<li>a configurable SMTP server of your own, one which won&#8217;t buckle when you dump 100k e-mails onto it (your ISP&#8217;s upstream server won&#8217;t be sufficient here and you&#8217;ll make the ISP violently unhappy; we used two dedicated boxes)<\/li>\n<li>some mail wrapper (e.g. PhpMailer if PHP&#8217;s your poison of choice; using PHP&#8217;s <code>mail()<\/code> is horrible enough by itself)<\/li>\n<li>your own sender function to run in a loop, create the mails and pass them to the wrapper (note that you may run into PHP&#8217;s memory limits if your app has a memory leak; you may need to recycle the sending process periodically, or even better, decouple the &#8220;creating e-mails&#8221; and &#8220;sending e-mails&#8221; altogether)<\/li>\n<\/ul>\n<p>Surprisingly, that was the easy part. The hard part is actually sending it:<\/p>\n<ul>\n<li>some servers will ban you when you send too many mails close together, so you need to shuffle and watch your queue (e.g. send one mail to joe@example.com, then three to other domains, only then another to otheraddress@example.com)<\/li>\n<li>you need to have correct <a rel=\"nofollow noopener\" target=\"_blank\" href=\"http:\/\/www.codinghorror.com\/blog\/2010\/04\/so-youd-like-to-send-some-email-through-code.html\">PTR, SPF, DKIM records<\/a><\/li>\n<li>handling remote server timeouts, misconfigured DNS records and other network pleasantries<\/li>\n<li>handling invalid e-mails (and no, regex is the wrong tool for that)<\/li>\n<li>handling unsubscriptions (many legitimate newsletters have been reclassified as spam due to many frustrated users who couldn&#8217;t unsubscribe in one step and instead chose to &#8220;mark as spam&#8221; &#8211; the spam filters do learn, esp. with large e-mail providers)<\/li>\n<li>handling bounces and rejects (&#8220;no such mailbox ojhn@example.com&#8221;,&#8221;mailbox john@example.com full&#8221;)<\/li>\n<li>handling blacklisting and removal from blacklists (Sure, you&#8217;re not sending spam. Some recipients won&#8217;t be so sure &#8211; with such large list, it <em>will<\/em> happen sometimes, no matter what precautions you take. Some people (e.g. your not-so-scrupulous competitors) might even go as far to falsely report your mailings as spam &#8211; it does happen. On <em>average<\/em>, it takes weeks to get yourself removed from a blacklist.)<\/li>\n<\/ul>\n<p>And to top it off, you&#8217;ll have to manage the legal part of it (various federal, state, and local laws; and even different tangles of laws once you send outside the U.S. (note: you have no way of finding if joe@hotmail.com lives in Southwest Elbonia, the country with world&#8217;s most draconian antispam laws)).<\/p>\n<p>I&#8217;m pretty sure I missed a few heads of this hydra &#8211; are you still sure you want to do this yourself? If so, there&#8217;ll be another wave, this time merely the annoying problems inherent in sending an e-mail. (You see, SMTP is a store-and-forward protocol, which means that your e-mail will be shuffled across many SMTP servers around the Internet, in the hope that the next one is a bit closer to the final recipient. Basically, the e-mail is sent to an SMTP server, which puts it into its forward queue; when time comes, it will forward it further to a different SMTP server, until it reaches the SMTP server for the given domain. This forward could happen immediately, or in a few minutes, or hours, or days, or never.) Thus, you&#8217;ll see the following issues &#8211; most of which could happen en route as well as at the destination:<\/p>\n<ul>\n<li>the remote SMTP servers don&#8217;t want to talk to your SMTP server<\/li>\n<li>your mails are getting marked as spam (<code>&lt;blink&gt;<\/code> is not your friend here, nor is <code>&lt;font color=...&gt;<\/code>)<\/li>\n<li>your mails are delivered days, even weeks late (contrary to popular opinion, SMTP is designed to make a best effort to deliver the message sometime in the future &#8211; not to deliver it now)<\/li>\n<li>your mails are not delivered at all (already sent from e-mail server on hop #4, not sent yet from server on hop #5, the server that currently holds the message crashes, data is lost)<\/li>\n<li>your mails are mangled by some braindead server en route (this one is somewhat solvable with base64 encoding, but then the size goes up and the e-mail <em>looks<\/em> more suspicious)<\/li>\n<li>your mails are delivered and the recipients seem not to want them (&#8220;I&#8217;m sure I didn&#8217;t sign up for this, I remember exactly what I did a year ago&#8221; (of course you do, sir))<\/li>\n<li>users with various versions of Microsoft Outlook and its <em>special<\/em> handling of Internet mail<\/li>\n<li>wizard&#8217;s apprentice mode (a self-reinforcing positive feedback loop &#8211; in other words, automated e-mails as replies to automated e-mails as replies to&#8230;; you <strong>really<\/strong> don&#8217;t want to be the one to set this off, as you&#8217;d anger half the internet at yourself)<\/li>\n<\/ul>\n<p>and it&#8217;ll be <em>your<\/em> job to troubleshoot and solve this (hint: you can&#8217;t, mostly). The people who run a legit mass-mailing businesses know that in the end you can&#8217;t solve it, and that they can&#8217;t solve it either &#8211; and they have the reasons well researched, documented and outlined (maybe even as a Powerpoint presentation &#8211; complete with sounds and cool transitions &#8211; that your bosses can understand), as they&#8217;ve had to explain this a million times before. Plus, for the problems that are actually solvable, they know very well how to solve them.<\/p>\n<p>If, after all this, you are not discouraged and still want to do this, go right ahead: it&#8217;s even possible that you&#8217;ll find a better way to do this. Just know that the road ahead won&#8217;t be easy &#8211; sending e-mail is trivial, getting it delivered is hard.<\/p>\n<\/p><\/div>\n<div class=\"mt24\"><\/div>\n<\/div>\n<p>            <span class=\"d-none\" itemprop=\"commentCount\">3<\/span> <\/p><\/div>\n<\/div>\n<p>[ad_2]<\/p>\n<p>solved How to send 100,000 emails weekly? [closed] <\/p>\n","protected":false},"excerpt":{"rendered":"<p>[ad_1] Short answer: While it&#8217;s technically possible to send 100k e-mails each week yourself, the simplest, easiest and cheapest solution is to outsource this to one of the companies that specialize in it (I did say &#8220;cheapest&#8221;: there&#8217;s no limit to the amount of development time (and therefore money) that you can sink into this &#8230; <a title=\"[Solved] How to send 100,000 emails weekly? [closed]\" class=\"read-more\" href=\"https:\/\/jassweb.com\/solved\/solved-how-to-send-100000-emails-weekly-closed\/\" aria-label=\"More on [Solved] How to send 100,000 emails weekly? [closed]\">Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[320],"tags":[418,1376,5973,339],"class_list":["post-33377","post","type-post","status-publish","format-standard","hentry","category-solved","tag-email","tag-mailing-list","tag-massmail","tag-php"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>[Solved] How to send 100,000 emails weekly? 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