Report - WP Mail SMTP 4.0.1

Does WP Mail SMTP work with WordPress 6.6 and PHP 8.1.12? A smoke test was performed on 2024-07-16 17:23:12 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: 346.49 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	6.6
PHP version	8.1.12
MySQL version	10.6.10
PHP memory limit	512M

Plugin Info

Last updated	2025-03-05T14:42:00+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=ca116e8add
Aspect	after-activation
HTTP status	200
Load time	0.634 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	0.725 s
Memory usage	3.93 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	0.312 s
Memory usage	3.81 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	0.255 s
Memory usage	3.81 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	0.228 s
Memory usage	3.97 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	0.524 s
Memory usage	3.81 MiB
JS errors	None
Resource errors	None

Test site – Just another WordPress site

URL	/
Aspect	front-page
HTTP status	200
Load time	0.232 s
Memory usage	3.57 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	0.420 s
Memory usage	3.88 MiB
JS errors	None
Resource errors	None

Benchmark

URL	Load time			Memory usage
URL	Inactive	Active	Change	Inactive	Active	Change
/wp-admin/index.php	0.369 s	0.441 s	+0.072 s	3.47 MiB	3.88 MiB	+ 416.58 KiB
/wp-admin/edit.php	0.215 s	0.229 s	+0.014 s	3.54 MiB	3.9 MiB	+ 368.68 KiB
/wp-admin/post-new.php	0.827 s	0.765 s	-0.062 s	5.75 MiB	6.09 MiB	+ 347.85 KiB
/wp-admin/upload.php	0.591 s	0.555 s	-0.036 s	3.49 MiB	3.81 MiB	+ 331.42 KiB
/wp-admin/options-writing.php	0.217 s	0.211 s	-0.006 s	3.41 MiB	3.8 MiB	+ 394.1 KiB
/wp-admin/media-new.php	0.242 s	0.262 s	+0.020 s	3.4 MiB	3.79 MiB	+ 407.48 KiB
/wp-admin/edit-tags.php?taxonomy=category	0.197 s	0.208 s	+0.011 s	3.47 MiB	3.81 MiB	+ 350.04 KiB
/wp-admin/post-new.php?post_type=page	0.615 s	0.606 s	-0.009 s	5.75 MiB	6.08 MiB	+ 343.44 KiB
/wp-admin/options-discussion.php	0.239 s	0.560 s	+0.321 s	3.41 MiB	3.79 MiB	+ 395.79 KiB
/wp-admin/edit-comments.php	0.235 s	0.230 s	-0.005 s	3.49 MiB	3.81 MiB	+ 332.67 KiB
/	0.335 s	0.223 s	-0.112 s	3.45 MiB	3.57 MiB	+ 123.34 KiB
Average	0.371 s	0.390 s	+0.019 s	3.88 MiB	4.21 MiB	+ 346.49 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%	44,675	31,648	505
	JavaScript	2.2%	1,031	471	6
	CSS	0.5%	235	5	1
	SVG	0.4%	194	0	94
Total			46,135	32,124	606

PHP Code Analysis | More results »

Lines of code	20,776
Total complexity	3,622
Median class complexity	15.0
Median method complexity	2.0
Most complex class	WPMailSMTP\Options
Most complex function	WPMailSMTP\Options::is_const_defined()

Classes	120
Methods	1,053
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 4.0.1