WP Mail SMTP 4.1.0

Does WP Mail SMTP work with WordPress 6.6.1 and PHP 8.1.12? A smoke test was performed on .

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: 346.57 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 version6.6.1
PHP version8.1.12
MySQL version10.6.10
PHP memory limit512M
Plugin Info
Last updated
Active installs 4,000,000+
WordPress.org page https://wordpress.org/plugins/wp-mail-smtp/
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Pages 8

WP Mail SMTP › Setup Wizard

Page screenshot: 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=68c9352eab
Aspect after-activation
HTTP status 200
Load time 0.633 s
Memory usage N/A
JS errors None
Resource errors None

WP Mail SMTP

Page screenshot: WP Mail SMTP
URL /wp-admin/admin.php?page=wp-mail-smtp
Aspect menu-item
HTTP status 200
Load time 0.632 s
Memory usage 3.93 MiB
JS errors None
Resource errors None

WP Mail SMTP → Email Log

Page screenshot: 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 0.306 s
Memory usage 3.81 MiB
JS errors None
Resource errors None

WP Mail SMTP → Email Reports

Page screenshot: WP Mail SMTP → Email Reports
URL /wp-admin/admin.php?page=wp-mail-smtp-reports
Aspect menu-item
HTTP status 200
Load time 0.237 s
Memory usage 3.81 MiB
JS errors None
Resource errors None

WP Mail SMTP → Tools

Page screenshot: WP Mail SMTP → Tools
URL /wp-admin/admin.php?page=wp-mail-smtp-tools
Aspect menu-item
HTTP status 200
Load time 0.233 s
Memory usage 3.97 MiB
JS errors None
Resource errors None

WP Mail SMTP → About Us

Page screenshot: WP Mail SMTP → About Us
URL /wp-admin/admin.php?page=wp-mail-smtp-about
Aspect menu-item
HTTP status 200
Load time 0.538 s
Memory usage 3.81 MiB
JS errors None
Resource errors None

Test site – Just another WordPress site

Page screenshot: Test site – Just another WordPress site
URL /
Aspect front-page
HTTP status 200
Load time 0.212 s
Memory usage 3.57 MiB
JS errors None
Resource errors None

Dashboard ‹ Test site — WordPress

Page screenshot: Dashboard ‹ Test site — WordPress
URL /wp-admin/index.php
Aspect new-meta-boxes
HTTP status 200
Load time 0.308 s
Memory usage 3.88 MiB
JS errors None
Resource errors None

Benchmark

URL Load time Memory usage
Inactive Active Change Inactive Active Change
/wp-admin/index.php0.319 s0.323 s+0.004 s3.47 MiB3.88 MiB+ 416.8 KiB
/wp-admin/edit.php0.198 s0.232 s+0.034 s3.54 MiB3.9 MiB+ 368.9 KiB
/wp-admin/post-new.php0.729 s0.640 s-0.089 s5.75 MiB6.09 MiB+ 348.07 KiB
/wp-admin/upload.php0.685 s0.557 s-0.128 s3.49 MiB3.81 MiB+ 331.42 KiB
/wp-admin/options-writing.php0.197 s0.201 s+0.004 s3.41 MiB3.8 MiB+ 394.1 KiB
/wp-admin/media-new.php0.246 s0.248 s+0.002 s3.4 MiB3.79 MiB+ 407.48 KiB
/wp-admin/edit-tags.php?taxonomy=category0.189 s0.214 s+0.025 s3.47 MiB3.81 MiB+ 350.04 KiB
/wp-admin/post-new.php?post_type=page0.596 s0.606 s+0.010 s5.75 MiB6.08 MiB+ 343.66 KiB
/wp-admin/options-discussion.php0.242 s0.486 s+0.244 s3.41 MiB3.79 MiB+ 395.79 KiB
/wp-admin/edit-comments.php0.256 s0.282 s+0.026 s3.49 MiB3.81 MiB+ 332.67 KiB
/0.331 s0.211 s-0.120 s3.45 MiB3.57 MiB+ 123.34 KiB
Average 0.363 s0.364 s+0.001 s3.88 MiB4.21 MiB+ 346.57 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
PHP96.9%46,04832,777523
JavaScript2.2%1,0414726
CSS0.5%23551
SVG0.4%196096
Total 47,520 33,254 626

PHP Code Analysis | More results »

Lines of code 21,226
Total complexity 3,721
Median class complexity 15.0
Median method complexity 2.0
Most complex class WPMailSMTP\Options
Most complex function WPMailSMTP\Options::is_const_defined()
Classes 122
Methods 1,076
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

Options wp_options 10

Custom Post Types 1

ID Name
scheduled-actionScheduled Actions

Meta Boxes

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

PHP Error Log

The log file is empty.

See also: All tests for this plugin, How to Hide WP Mail SMTP Admin Menus and Widgets