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WordPress pluginwhat they say

Swift SMTP

Swift SMTP (formerly Welcome Email Editor)

Swift SMTP is a free & simple SMTP Plugin for WordPress.

★★★★☆4.2 (68) · 7k+ active installs
Free
WordPress.org ↗
what mrrlens sees
MRR · No price listedNo price in the listing
Opportunity—
Buyer threads · 30 d0
“Can’t get New User Reg Email”
#1 complaint · Bugs/Reliability · 80% of complaints read · analysed Oct 30, 2026 · source

01Revenue

No price in the listing

3 daily snapshots · growth 30 d: —

Store data from the WordPress.org listing, refreshed daily. Updated 6 h ago. Listed since 2009.

02Why users leave Swift SMTP

5★78%
4★3%
3★1%
2★0%
1★18%
Bugs/Reliability4 reviews · 80%

Reviewer calls plugin great and very bad at once, indicating inconsistent quality.

“Can’t get New User Reg Email” source ↗

Sample: 5 recent complaints (1–3★ reviews) · clustered Oct 30, 2026 · complaints from Oct 2015–Jan 2025, 20% in the last 24 months — mostly history · each review labelled by a model, quotes verbatim

03How to build a better Swift SMTP

Build difficultyLowMainly SMTP provider APIs and WordPress plugin reliability; no payments, regulation, hardware, or network effects.
Three build ideas that answer these complaintsIncluded in the day pass and Pro.
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04Who wants a better Swift SMTP

0 buyer threads in the last 30 days name Swift SMTP, and 1 more is in the same market.

05Questions about Swift SMTP

How much revenue does Swift SMTP make?

Swift SMTP's listing publishes no price and no paid plan, so MRRLens shows no revenue estimate. It may still charge on its own website; a founder can verify the real figure.

What do users complain about most in Swift SMTP?

Across 5 recent complaints, the most common is bugs/reliability (80%). Reviewer calls plugin great and very bad at once, indicating inconsistent quality.

What are the best Swift SMTP alternatives?

The closest alternatives MRRLens found are Easy WP SMTP, WP Mail SMTP by WPForms and Post SMTP. The full list, with why users leave, is on the Swift SMTP alternatives page.

How many people use Swift SMTP?

Swift SMTP lists 7k+ active installs on WordPress.org, rated 4.2 (68).

See the full x-ray of Swift SMTP

Full 1-star breakdown with verbatim quotes, the build blueprint and every live thread — on every product.