"Default plugin for every new build."
That's not a recommendation. That's a system.
There's a difference between using something and trusting it enough to never question it again.
This site owner crossed that line.
1/ SMTP SIGNALS: Your contact form probably isn't broken.
Visitors are submitting. The "thank you" message shows.
But the notification email never arrives - because WordPress sent it without authentication, and it was silently discarded.
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"Delivery is consistent. No more missing emails."
That line is worth pausing on.
Not "it works most of the time."
Consistent. Every time.
Most email setups don't give you that certainty. This one does.
Google has changed Postmaster Tools. 👀
We just updated our guide with everything that's changed and what to do if your compliance status isn't passing.
wpmailsmtp.com/how-to-set-up…
1/ SMTP SIGNALS: WooCommerce sends order emails from your WordPress admin email by default.
That address usually isn't authenticated with your mailer.
The result: order confirmations that quietly fail - customers never receive them.
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4/ Most stores skip this.
They have a working SMTP setup, proper DNS records, and still see deliverability problems - traced back to this one mismatch.
Check your Email Sender Options today if you haven't since setup.
"Nice and easy to setup."
That's it. That's the review.
No caveats. No "but you'll need to also..."
Just a site owner whose WordPress emails work now.
The bit worth remembering: reliable doesn't have to mean complicated.
1/ SMTP SIGNALS: SPF records have a 10-lookup limit.
Most site owners don't know this exists.
Add too many sending providers and your authentication silently fails - no bounce, no error, just undelivered mail.
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4/ Fix: flatten your SPF record.
Instead of chaining includes, resolve them to their underlying IPs and publish a single flat record that stays under the limit.
Most sites that have this problem have no idea. That's what makes it dangerous.