How SMTP Mailer Affects Your WordPress Speed

B-

Estimated Speed Score (based on plugin metrics)

Plugin Overview

Active Installs70K+

Rating4.5/5 (65)

Tested Up ToWP 6.9.1

Last UpdatedJan 12, 2026

Downloads1.3M+

AuthorNoor Alam

WP.orgView on WordPress.org

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Performance Analysis

Performance Impact

SMTP Mailer receives an estimated speed score of B- based on our heuristic analysis of plugin metrics including update frequency, PHP requirements, active installs, and feature scope.

This plugin has a moderate performance footprint. For most sites, it should not cause noticeable slowdown. Monitor your site’s performance after installation.

Maintenance Status

Last updated: 2026-01-12. Trusted by 70K+ active installations.

Note: Speed scores are estimated from plugin metrics. Real-world performance varies depending on your server configuration, other active plugins, and how you use the plugin.

Alternatives to SMTP Mailer

Plugin	Speed Score	Active Installs
Elementor Website Builder – More Than Just a Page Builder	B-	10M+
Classic Editor	B-	9M+
Yoast Duplicate Post	C	4M+

Frequently Asked Questions

Does SMTP Mailer slow down WordPress?

SMTP Mailer has an estimated speed score of B-. It has a moderate impact. Monitor your site speed after installation.

Is SMTP Mailer still maintained?

SMTP Mailer was last updated on 2026-01-12. It has 70K+ active installations, indicating it is actively maintained and widely trusted.

What are the best alternatives to SMTP Mailer?

Check our plugin reviews in the Other category for alternatives. We compare plugins side-by-side on speed, features, and user ratings to help you find the best fit.