Swift SMTP (formerly Welcome Email Editor)

72 Quality Score

Active Installs

17/30

With 7,000 active installs, Swift SMTP has a modest install base that sits well below major alternatives like WP Mail SMTP at 4 million, suggesting limited but stable adoption.

Update Freshness

20/25

The plugin was updated on 2025-12-01 and is tested against WordPress 6.9.4, indicating active and current maintenance practices.

User Rating

13/15

An 84 out of 100 rating from 68 reviewers signals generally positive user sentiment, though the sample size is small enough that the score could shift with more feedback.

Support Health

8/15

A 0 out of 0 resolved support threads is a serious red flag, suggesting either no one is asking questions or no one is answering them in the public forum.

WP Compatibility

15/15

The minimum WordPress requirement of 4.6 and confirmed testing on 6.9.4 gives broad backward and forward compatibility across virtually all modern installs.

Scores higher than 27% of indexed plugins

About

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

Active Installs 7k+

Rating ★★★★ 4.2/5

Last Updated 2025-12-01 1:45pm GMT

Requires WordPress 4.6+

Tested Up To 6.9.7

Security History

2 known vulnerabilities, all patched

2 Medium

Most recent: January 8, 2024

View details ▸

What It Does

Swift SMTP is a lightweight WordPress plugin that configures your site to send outgoing emails through an external SMTP server instead of relying on PHP mail. It also includes welcome email editing capabilities inherited from its previous identity as Welcome Email Editor, letting administrators customize the message new users receive upon registration.

Who It's For

This plugin is a reasonable fit for small businesses, bloggers, or solo site owners running a single WordPress install who need basic SMTP reliability and want to tweak welcome emails without installing a heavier plugin. It works well for sites with modest email volume where the core requirement is replacing PHP mail with a proper SMTP relay.

Who Should Skip It

Anyone running a high-volume transactional email operation, multisite networks, or sites that need email logging, backup SMTP failover, or integrations with providers like Amazon SES, SendGrid, or Postmark should look elsewhere. The lack of visible support resolution activity also makes it a poor choice for agencies managing client sites where vendor responsiveness matters.

The Bottom Line

Swift SMTP covers the basics competently and scores a 75.25 overall, but its tiny install base, complete absence of resolved support threads, and the dominance of free alternatives with richer feature sets make it hard to recommend over the category leaders. It is acceptable for a personal site with simple SMTP needs, but most users will be better served by WP Mail SMTP or FluentSMTP, which offer stronger track records at no cost.

Related Plugins

WP Mail SMTP by WPForms 97/100

Pick this if you want the most battle-tested SMTP plugin with 4 million installs, extensive provider integrations, email logging, and a large support community behind it.

FluentSMTP 91/100

Choose FluentSMTP if you need native integrations with Amazon SES, SendGrid, Mailgun, Postmark, or Google and want email logging included for free.

Post SMTP 91/100

Opt for Post SMTP when you need advanced deliverability features like backup SMTP failover, email alerts, and a mobile app for monitoring.

Easy WP SMTP 87/100

Go with Easy WP SMTP if you want built-in Gmail, Office 365, and Outlook support along with email logging at a similar quality tier.

WP Mail Logging 86/100

Select WP Mail Logging as a companion or standalone option when capturing and reviewing every email sent from WordPress is your primary requirement.