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All 24 Email Delivery answers

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Answer

How do I know whether my site has this problem?

Updated Email Delivery 1.7.0Tested with WordPress 7.1

Go to Email Delivery → Send a test, put in an address you can open, and press the button. That is the whole check, and it takes a few seconds.

If the message arrives, your site can send email. If it does not, the screen shows what the mail server said about it.

Still stuck? Ask the developers who wrote it. We aim to reply within one business day.

Email Delivery

Send your site's email through a real mail service, and see what happened to every message.

From $19 a year · every feature · 30-day refund

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The Send a test screen of Email Delivery in WordPress admin. A red box reads It did not go. SMTP Error: Could not authenticate. Below, a panel headed What the mail server said, noting it is safe to paste into a support request, shows the full conversation with smtp.sendgrid.net, the sign-in lines replaced by [credentials hidden], ending in 535 Authentication failed: The provided authorization grant is invalid, expired, or revoked.