WP Mail SMTP 2.3.1

Does WP Mail SMTP work with WordPress 5.5.1 and PHP 7.4.8? 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: 381.5 KiB
The average PHP memory usage increased by this amount after activating by the plugin.

Page speed impact: 0.025 seconds
The average page load time increased by this amount after activating the plugin.

Environment
WordPress version5.5.1
PHP version7.4.8
MySQL version8.0.21
PHP memory limit256M
Plugin Info
Last updated
Active installs 3,000,000+
WordPress.org page https://wordpress.org/plugins/wp-mail-smtp/
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Pages 5

Plugins ‹ Test site — WordPress

Page screenshot: 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=b04791e5bb
Aspect after-activation
HTTP status 200
Load time 1.170 s
Memory usage 3.65 MiB
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 0.504 s
Memory usage 3.24 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 0.248 s
Memory usage 3.01 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 0.341 s
Memory usage 3.25 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 0.271 s
Memory usage 2.85 MiB
JS errors None
Resource errors None

Benchmark

URL Load time Memory usage
Inactive Active Change Inactive Active Change
/wp-admin/index.php0.522 s0.362 s-0.160 s2.75 MiB3.14 MiB+ 390.83 KiB
/wp-admin/edit.php0.273 s0.433 s+0.160 s2.8 MiB3.18 MiB+ 389.73 KiB
/wp-admin/post-new.php1.733 s2.062 s+0.329 s4.54 MiB4.94 MiB+ 407.87 KiB
/wp-admin/upload.php0.595 s0.459 s-0.136 s2.63 MiB3.01 MiB+ 390.36 KiB
/wp-admin/options-writing.php0.191 s0.194 s+0.003 s2.64 MiB2.99 MiB+ 358.34 KiB
/wp-admin/media-new.php0.258 s0.216 s-0.042 s2.6 MiB2.99 MiB+ 390.53 KiB
/wp-admin/edit-tags.php?taxonomy=category0.207 s0.219 s+0.012 s2.64 MiB3.03 MiB+ 391.44 KiB
/wp-admin/post-new.php?post_type=page1.483 s1.537 s+0.054 s4.53 MiB4.92 MiB+ 399.45 KiB
/wp-admin/options-discussion.php0.438 s0.573 s+0.135 s2.61 MiB2.99 MiB+ 390.84 KiB
/wp-admin/edit-comments.php0.261 s0.261 s+0.000 s2.65 MiB3.03 MiB+ 389.76 KiB
/0.363 s0.286 s-0.077 s2.56 MiB2.85 MiB+ 297.31 KiB
Average 0.575 s0.600 s+0.025 s3 MiB3.37 MiB+ 381.5 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

Options wp_options 11

Custom Post Types 1

ID Name
scheduled-actionScheduled Actions

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