How Post SMTP – Complete Email Deliverability and SMTP Solution with Email Logs, Alerts, Backup SMTP & Mobile App Affects Your WordPress Speed

C
Estimated Speed Score
Measured Performance
Tested Feb 2026 · How we test
+-1 ms
TTFB Impact
+0 MB
Memory Impact
+9
DB Queries
Low impact
Plugin Overview
Active Installs300K+
Rating4.7/5 (515)
Tested Up ToWP 6.9.1
Requires PHP7.0+
Last UpdatedJan 20, 2026
Downloads18.5M+
AuthorSaad Iqbal
WP.orgView on WordPress.org

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Post SMTP – Complete Email Deliverability and SMTP Solution with Email Logs, Alerts, Backup SMTP & Mobile App Speed Score - MakeWPFast

Performance Analysis

Performance Impact

Post SMTP – Complete Email Deliverability and SMTP Solution with Email Logs, Alerts, Backup SMTP & Mobile App receives an estimated speed score of C. Our real benchmark tests measured the following impact when activating this plugin:

  • TTFB impact: +-1 ms
  • Memory impact: +0.0 MB
  • Additional DB queries: +9

Overall activation impact: low. This plugin adds minimal overhead to your WordPress site.

Maintenance Status

Last updated: 2026-01-20. Requires PHP 7.0+. Trusted by 300K+ active installations.

Benchmark data measured in an isolated Docker environment (WordPress 6.8, PHP 8.3, GeneratePress). See our full methodology.

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Frequently Asked Questions

Does Post SMTP u2013 Complete Email Deliverability and SMTP Solution with Email Logs, Alerts, Backup SMTP & Mobile App slow down WordPress?
Post SMTP u2013 Complete Email Deliverability and SMTP Solution with Email Logs, Alerts, Backup SMTP & Mobile App has an estimated speed score of C. It may noticeably affect your site speed. Consider alternatives if performance is critical.
Is Post SMTP u2013 Complete Email Deliverability and SMTP Solution with Email Logs, Alerts, Backup SMTP & Mobile App still maintained?
Post SMTP u2013 Complete Email Deliverability and SMTP Solution with Email Logs, Alerts, Backup SMTP & Mobile App was last updated on 2026-01-20. It has 300K+ active installations, indicating it is actively maintained and widely trusted.
What are the best alternatives to Post SMTP u2013 Complete Email Deliverability and SMTP Solution with Email Logs, Alerts, Backup SMTP & Mobile App?
Check our plugin reviews in the Backup category for alternatives. We compare plugins side-by-side on speed, features, and user ratings to help you find the best fit.
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