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ERROR – Why no email received after order placed?

What happened?

Recently some people who placed an order on helloteababy.com may not receive confirmation email or shipping notice, this is our IT fault. We noticed this problem yesterday on August 28 and make it resolved on August 29. We are truly sorry about the delayed shipment, to make it a bit right, two Not-For-Sale high end teas were packed along with the order, and personally I am contacting each one to express my sorry and listen to whatever you gotta to say.

Where this problem come from?

To prevent this problem, here I retrieve how it happened. We built this Website online shop all by ourselves, one, to save cost, as we are just tea producer and small player, every penny costs; Secondly to own the control and flexibility, we can decide what function we want, what style to present the teas and do our best to improve the website speed.

Still we need combine some 3rd party service to make the website fully functional, one service we used is Gmail, Gmail can help to notified involved parties, for example if you place an order on helloteababy.com, Gmail will on behalf of us to send you a confirmation email, we will get an email about this new order too. After teas sent, Gmail will send you an email about the shipping status including tracking number.

And many people who using gmail including us encounter a problem, gmail stops working and shows the error below in WordPress dashboard:

EMAIL DELIVERY ERROR: the plugin WP Mail SMTP v1.4.1 logged this error during the last time it tried to send an email:

Mailer: Gmail
{
  "error": "invalid_grant",
  "error_description": "Bad Request"
}

The solution is here on WordPress forum, after applied the solution, don’t forget to shoot a test email on settings of WP Mail SMTP, or the problem will not go away.

Finally …

Problem resolved, Gmail is working again, I will try to write some code to watch the status. Here I want to thank for all your support and help, tea circle is the best.

By the way, if anyone has questions on online tea shop building, I would be pleasured to offer my experience.

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