July 9, 2018
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So you need to send emails. Pretty simple right? Not so fast. It doesn’t matter how easy your language or framework makes sending emails, if you try to do it on your own be prepared to configure mail servers, setup Spam-related DNS entries, and still wonder if mail is actually being delivered. And your applications needs to process incoming email? Back to the config files, piping mail to your script - or just end up polling a POP or IMAP box. That’s what I had to do, back in the day. Fortunately, like so many things today, there’s an API for that. Actually there are a few.
For any business or website that relies on user or customer interaction, communication is important, and often the only point of contact a business may have with that customer is an email address. This is where email validation can lend a helping hand; as long as mail can be successfully sent to an address all is good, but if there's some issue causing failed delivery and other errors, better to know about it. Email Pie is a free, JSON API that provides a simple way to validate email addresses.