Yes. Leave How email leaves on The web server and you still get the log, the test, the retries and the alerts — you just do not get the deliverability improvement, which is the main reason to install it.
That combination is worth having on a site where email already works and you want to know when it stops.
Still stuck? Ask the developers who wrote it. We aim to reply within one business day.
![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.](https://www.traslatability.com/wp-content/themes/traslatability/assets/screens/email-delivery-by-traslatability/crops/01-test-transcript-m.webp?ver=1792726162)