Report - WP Mail SMTP 4.8.0

Does WP Mail SMTP work with WordPress 7.0 and PHP 8.1.12? A smoke test was performed on 2026-05-20 18:55:58 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: 369.04 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	7.0
PHP version	8.1.12
MySQL version	10.6.10
PHP memory limit	512M

Plugin Info

Last updated	2026-06-25T08:50:00+00:00
Active installs	4,000,000+
WordPress.org page	https://wordpress.org/plugins/wp-mail-smtp/
Badges	Get badge code

Pages 8

WP Mail SMTP › Setup Wizard

URL	/wp-admin/admin.php?page=wp-mail-smtp-setup-wizard#/
Requested URL	/wp-admin/plugins.php?action=activate&plugin=wp-mail-smtp%2Fwp_mail_smtp.php&plugin_status=all&paged=1&s&_wpnonce=a946760c3f
Aspect	after-activation
HTTP status	200
Load time	1.902 s
Memory usage	N/A
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	1.052 s
Memory usage	4.43 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	0.814 s
Memory usage	4.28 MiB
JS errors	None
Resource errors	None

WP Mail SMTP → Email Reports

URL	/wp-admin/admin.php?page=wp-mail-smtp-reports
Aspect	menu-item
HTTP status	200
Load time	0.541 s
Memory usage	4.27 MiB
JS errors	None
Resource errors	None

WP Mail SMTP → Tools

URL	/wp-admin/admin.php?page=wp-mail-smtp-tools
Aspect	menu-item
HTTP status	200
Load time	0.524 s
Memory usage	4.38 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	0.887 s
Memory usage	4.28 MiB
JS errors	None
Resource errors	None

Test site – Just another WordPress site

URL	/
Aspect	front-page
HTTP status	200
Load time	0.243 s
Memory usage	4.44 MiB
JS errors	None
Resource errors	None

Dashboard ‹ Test site — WordPress

URL	/wp-admin/index.php
Aspect	new-meta-boxes
HTTP status	200
Load time	0.612 s
Memory usage	4.36 MiB
JS errors	None
Resource errors	None

Benchmark

URL	Load time			Memory usage
URL	Inactive	Active	Change	Inactive	Active	Change
/wp-admin/index.php	0.739 s	0.785 s	+0.046 s	3.92 MiB	4.36 MiB	+ 443.25 KiB
/wp-admin/edit.php	0.911 s	0.484 s	-0.427 s	3.98 MiB	4.34 MiB	+ 369.83 KiB
/wp-admin/post-new.php	1.719 s	1.786 s	+0.067 s	6.56 MiB	6.93 MiB	+ 380.01 KiB
/wp-admin/upload.php	1.351 s	0.697 s	-0.654 s	3.89 MiB	4.25 MiB	+ 370.16 KiB
/wp-admin/options-writing.php	0.536 s	0.502 s	-0.034 s	3.86 MiB	4.21 MiB	+ 355.1 KiB
/wp-admin/media-new.php	0.557 s	1.190 s	+0.633 s	3.85 MiB	4.21 MiB	+ 363.3 KiB
/wp-admin/edit-tags.php?taxonomy=category	0.496 s	0.531 s	+0.035 s	3.86 MiB	4.27 MiB	+ 417.15 KiB
/wp-admin/post-new.php?post_type=page	1.946 s	1.519 s	-0.427 s	6.55 MiB	6.91 MiB	+ 371.54 KiB
/wp-admin/options-discussion.php	0.788 s	1.060 s	+0.272 s	3.86 MiB	4.21 MiB	+ 351.6 KiB
/wp-admin/edit-comments.php	0.521 s	0.552 s	+0.031 s	3.88 MiB	4.29 MiB	+ 417.44 KiB
/	0.281 s	0.201 s	-0.080 s	4.23 MiB	4.44 MiB	+ 220.1 KiB
Average	0.895 s	0.846 s	-0.049 s	4.4 MiB	4.76 MiB	+ 369.04 KiB

Code Statistics

Note: Third-party libraries and minified JS/CSS files are excluded from these statistics where possible, so the numbers you see here may be lower than those reported by other tools.

PHP

Language		%	Lines of code	Comment lines	Files
	PHP	96.2%	43,542	30,224	434
	JavaScript	2.7%	1,232	552	7
	SVG	0.6%	257	0	117
	CSS	0.5%	235	5	1
Total			45,266	30,781	559

PHP Code Analysis | More results »

Lines of code	24,785
Total complexity	4,461
Median class complexity	15.5
Median method complexity	2.0
Most complex class	WPMailSMTP\Options
Most complex function	WPMailSMTP\Options::is_const_defined()

Classes	140
Methods	1,244
Functions	6

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 2

wp_wpmailsmtp_debug_events
wp_wpmailsmtp_tasks_meta

Options `wp_options` 10

action_scheduler_lock_async-request-runner
wp_mail_smtp
wp_mail_smtp_activated
wp_mail_smtp_activated_time
wp_mail_smtp_activation_prevent_redirect
wp_mail_smtp_debug_events_db_version
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

Meta Boxes

{
    "dashboard": {
        "wp_mail_smtp_reports_widget_lite": {
            "title": "WP Mail SMTP",
            "context": "normal"
        }
    }
}

PHP Error Log

The log file is empty.

WP Mail SMTP 4.8.0