Report - WP Mail SMTP 4.6.0

Does WP Mail SMTP work with WordPress 6.8.2 and PHP 8.1.12? A smoke test was performed on 2025-08-29 08:01:11 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: 339.91 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	6.8.2
PHP version	8.1.12
MySQL version	10.6.10
PHP memory limit	512M

Plugin Info

Last updated	2025-08-29T07:57:00+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=133ae76ad8
Aspect	after-activation
HTTP status	200
Load time	0.659 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	0.813 s
Memory usage	3.97 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	0.315 s
Memory usage	3.85 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	0.222 s
Memory usage	3.85 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	0.217 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	0.443 s
Memory usage	3.85 MiB
JS errors	None
Resource errors	None

Test site – Just another WordPress site

URL	/
Aspect	front-page
HTTP status	200
Load time	0.177 s
Memory usage	3.6 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	0.366 s
Memory usage	3.91 MiB
JS errors	None
Resource errors	None

Benchmark

URL	Load time			Memory usage
URL	Inactive	Active	Change	Inactive	Active	Change
/wp-admin/index.php	0.281 s	0.305 s	+0.024 s	3.51 MiB	3.91 MiB	+ 418.24 KiB
/wp-admin/edit.php	0.187 s	0.366 s	+0.179 s	3.57 MiB	3.93 MiB	+ 368.13 KiB
/wp-admin/post-new.php	0.742 s	0.889 s	+0.147 s	6.06 MiB	6.46 MiB	+ 411.75 KiB
/wp-admin/upload.php	0.599 s	0.323 s	-0.276 s	3.52 MiB	3.85 MiB	+ 331.21 KiB
/wp-admin/options-writing.php	0.207 s	0.207 s	+0.000 s	3.5 MiB	3.83 MiB	+ 335.73 KiB
/wp-admin/media-new.php	0.354 s	0.228 s	-0.126 s	3.49 MiB	3.83 MiB	+ 343.93 KiB
/wp-admin/edit-tags.php?taxonomy=category	0.189 s	0.179 s	-0.010 s	3.5 MiB	3.85 MiB	+ 349.83 KiB
/wp-admin/post-new.php?post_type=page	0.592 s	0.736 s	+0.144 s	6.05 MiB	6.45 MiB	+ 407.28 KiB
/wp-admin/options-discussion.php	0.484 s	0.308 s	-0.176 s	3.5 MiB	3.83 MiB	+ 332.23 KiB
/wp-admin/edit-comments.php	0.227 s	0.197 s	-0.030 s	3.52 MiB	3.85 MiB	+ 332.46 KiB
/	0.292 s	0.209 s	-0.083 s	3.5 MiB	3.6 MiB	+ 108.2 KiB
Average	0.378 s	0.359 s	-0.019 s	3.98 MiB	4.31 MiB	+ 339.91 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	96.8%	48,907	34,551	543
	JavaScript	2.1%	1,074	508	7
	SVG	0.6%	322	0	112
	CSS	0.5%	235	5	1
Total			50,538	35,064	663

PHP Code Analysis | More results »

Lines of code	23,437
Total complexity	4,143
Median class complexity	14.0
Median method complexity	2.0
Most complex class	WPMailSMTP\Options
Most complex function	WPMailSMTP\Options::is_const_defined()

Classes	135
Methods	1,175
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 4.6.0