Post SMTP
Install Post SMTP (WordPress SMTP Plugin) to fix WordPress email delivery. Connect Gmail SMTP, Microsoft 365, Brevo, SendGrid, Zoho, Amazon SES, etc.
The pitch, and what the numbers say
Post SMTP – Complete Email Delivery and SMTP Solution with Email Logs, Alerts, Backup SMTP & Mobile App — Email marketing · https://postmansmtp.com/
No revenue figure: see why on the full x-ray.
Why users leave
The free diagnosis shows the top complaint. The full brief has every cluster, the build ideas and the buyers.
Updates caused database rebuild errors requiring rollback; Office 365 addon tests failed; HTML emails sent as plain text after update.
“After the update, there was an error prompting me to rebuild the database; nothing could be done, so I had to roll back.”
What a challenger would build
Closest alternatives
Who is buying right now
1 buyer thread in the same market in the last 30 days, with links and excerpts in the full brief.
Full 1-star breakdown with verbatim quotes, the build blueprint and every live thread — on every product.
How to read this
Sources: the product's public listing and reviews, its published price, and public forum threads. Revenue is an estimate unless marked verified by the founder; the formula and its inputs are on the full x-ray. Complaints are grouped by a language model and each quote is a verbatim excerpt, linked to the original review. Build difficulty is a model's reading of the listing and the complaints, not a measurement. Figures are a snapshot of Oct 31, 2026. Corrections: corrections.