Report - WP Mail SMTP 2.4.0

Does WP Mail SMTP work with WordPress 5.5.1 and PHP 7.4.8? A smoke test was performed on 2020-09-17 10:41:04 UTC.

Summary

Errors

	No PHP errors, warnings or notices
	No JavaScript exceptions
	All test pages loaded successfully
	No resource errors
	Looks good! No problems were detected.

Performance

Memory usage: 381.57 KiB
The average PHP memory usage increased by this amount after activating by the plugin.

Page speed impact: insignificant.
The plugin didn't make the site noticeably slower.

Environment

WordPress version	5.5.1
PHP version	7.4.8
MySQL version	8.0.21
PHP memory limit	256M

Plugin Info

Last updated	2026-04-16T15:13:00+00:00
Active installs	4,000,000+
WordPress.org page	https://wordpress.org/plugins/wp-mail-smtp/
Badges	Get badge code

Pages 5

Plugins ‹ Test site — WordPress

URL	/wp-admin/plugins.php?plugin_status=all&paged=1&s
Requested URL	/wp-admin/plugins.php?action=activate&plugin=wp-mail-smtp%2Fwp_mail_smtp.php&plugin_status=all&paged=1&s&_wpnonce=ce2bb60d26
Aspect	after-activation
HTTP status	200
Load time	2.118 s
Memory usage	3.65 MiB
JS errors	None
Resource errors	None

WP Mail SMTP

URL	/wp-admin/admin.php?page=wp-mail-smtp
Aspect	menu-item
HTTP status	200
Load time	0.453 s
Memory usage	3.24 MiB
JS errors	None
Resource errors	None

WP Mail SMTP → Email Log

URL	/wp-admin/admin.php?page=wp-mail-smtp&tab=logs
Requested URL	/wp-admin/admin.php?page=wp-mail-smtp-logs
Aspect	menu-item
HTTP status	200
Load time	0.237 s
Memory usage	3.01 MiB
JS errors	None
Resource errors	None

WP Mail SMTP → About Us

URL	/wp-admin/admin.php?page=wp-mail-smtp-about
Aspect	menu-item
HTTP status	200
Load time	0.285 s
Memory usage	3.25 MiB
JS errors	None
Resource errors	None

Test site – Just another WordPress site

URL	/
Aspect	front-page
HTTP status	200
Load time	0.314 s
Memory usage	2.85 MiB
JS errors	None
Resource errors	None

Benchmark

URL	Load time			Memory usage
URL	Inactive	Active	Change	Inactive	Active	Change
/wp-admin/index.php	0.505 s	0.339 s	-0.166 s	2.75 MiB	3.14 MiB	+ 390.91 KiB
/wp-admin/edit.php	0.237 s	0.362 s	+0.125 s	2.8 MiB	3.18 MiB	+ 389.8 KiB
/wp-admin/post-new.php	1.664 s	2.068 s	+0.404 s	4.54 MiB	4.94 MiB	+ 407.95 KiB
/wp-admin/upload.php	0.775 s	0.485 s	-0.290 s	2.63 MiB	3.01 MiB	+ 390.44 KiB
/wp-admin/options-writing.php	0.178 s	0.175 s	-0.003 s	2.64 MiB	2.99 MiB	+ 358.41 KiB
/wp-admin/media-new.php	0.223 s	0.200 s	-0.023 s	2.6 MiB	2.99 MiB	+ 390.61 KiB
/wp-admin/edit-tags.php?taxonomy=category	0.200 s	0.200 s	+0.000 s	2.64 MiB	3.03 MiB	+ 391.52 KiB
/wp-admin/post-new.php?post_type=page	1.528 s	1.617 s	+0.089 s	4.53 MiB	4.92 MiB	+ 399.53 KiB
/wp-admin/options-discussion.php	0.396 s	0.251 s	-0.145 s	2.61 MiB	2.99 MiB	+ 390.92 KiB
/wp-admin/edit-comments.php	0.235 s	0.214 s	-0.021 s	2.65 MiB	3.03 MiB	+ 389.84 KiB
/	0.373 s	0.304 s	-0.069 s	2.56 MiB	2.85 MiB	+ 297.39 KiB
Average	0.574 s	0.565 s	-0.009 s	3 MiB	3.37 MiB	+ 381.57 KiB

Additions

Things that the plugin adds to the site. This section is not intended to be comprehensive. The test tool only looks for a few specific types of added content.

Database Tables 5

wp_actionscheduler_actions
wp_actionscheduler_claims
wp_actionscheduler_groups
wp_actionscheduler_logs
wp_wpmailsmtp_tasks_meta

Options `wp_options` 11

action_scheduler_hybrid_store_demarkation
action_scheduler_lock_async-request-runner
schema-ActionScheduler_LoggerSchema
schema-ActionScheduler_StoreSchema
wp_mail_smtp
wp_mail_smtp_activated
wp_mail_smtp_activated_time
wp_mail_smtp_initial_version
wp_mail_smtp_migration_version
wp_mail_smtp_review_notice
wp_mail_smtp_version

Custom Post Types 1

ID	Name
scheduled-action	Scheduled Actions

PHP Error Log

The log file is empty.

WP Mail SMTP 2.4.0