Report - WP Mail SMTP 2.1.1

Does WP Mail SMTP work with WordPress 5.4.2 and PHP 7.2.16? A smoke test was performed on 2020-06-10 23:06:00 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: 458 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	5.4.2
PHP version	7.2.16
MySQL version	8.0.15
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=7174632a0b
Aspect	after-activation
HTTP status	200
Load time	1.214 s
Memory usage	4.64 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	0.446 s
Memory usage	4.29 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	0.223 s
Memory usage	4 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	0.244 s
Memory usage	4.26 MiB
JS errors	None
Resource errors	None

Test site – Just another WordPress site

URL	/
Aspect	front-page
HTTP status	200
Load time	0.330 s
Memory usage	3.66 MiB
JS errors	None
Resource errors	None

Benchmark

URL	Load time			Memory usage
URL	Inactive	Active	Change	Inactive	Active	Change
/wp-admin/index.php	0.338 s	0.387 s	+0.049 s	3.64 MiB	4.09 MiB	+ 466.72 KiB
/wp-admin/edit.php	0.202 s	0.284 s	+0.082 s	3.67 MiB	4.12 MiB	+ 461.16 KiB
/wp-admin/post-new.php	1.236 s	1.483 s	+0.247 s	5.43 MiB	5.89 MiB	+ 473.4 KiB
/wp-admin/upload.php	0.514 s	0.422 s	-0.092 s	3.5 MiB	4.01 MiB	+ 525.41 KiB
/wp-admin/options-writing.php	0.430 s	0.170 s	-0.260 s	3.58 MiB	4 MiB	+ 432.32 KiB
/wp-admin/media-new.php	0.224 s	0.200 s	-0.024 s	3.48 MiB	3.99 MiB	+ 525.93 KiB
/wp-admin/edit-tags.php?taxonomy=category	0.179 s	0.172 s	-0.007 s	3.58 MiB	4.04 MiB	+ 462.84 KiB
/wp-admin/post-new.php?post_type=page	1.079 s	1.139 s	+0.060 s	5.42 MiB	5.87 MiB	+ 466.58 KiB
/wp-admin/options-discussion.php	0.334 s	0.238 s	-0.096 s	3.48 MiB	4 MiB	+ 526.24 KiB
/wp-admin/edit-comments.php	0.199 s	0.198 s	-0.001 s	3.59 MiB	4.04 MiB	+ 461.16 KiB
/	0.329 s	0.269 s	-0.060 s	3.43 MiB	3.66 MiB	+ 236.3 KiB
Average	0.460 s	0.451 s	-0.009 s	3.89 MiB	4.34 MiB	+ 458 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` 10

action_scheduler_hybrid_store_demarkation
action_scheduler_lock_async-request-runner
schema-ActionScheduler_LoggerSchema
schema-ActionScheduler_StoreSchema
wp_mail_smtp
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 2.1.1