Report - WP SMTP 1.2.5 - PluginTests.com

Does WP SMTP work with WordPress 6.3.2 and PHP 8.1.12? A smoke test was performed on 2023-10-13 02:37:47 UTC.

Summary

Errors

2	PHP notices
1	Unrecognized messages in the PHP error log
	No JavaScript exceptions
	All test pages loaded successfully
	No resource errors

Performance

Memory usage: 23.98 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	6.3.2
PHP version	8.1.12
MySQL version	10.6.10
PHP memory limit	512M

Plugin Info

Last updated	2025-09-16T14:52:00+00:00
Active installs	70,000+
WordPress.org page	https://wordpress.org/plugins/wp-smtp/
Badges	Get badge code

Pages 4

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-smtp%2Fwp-smtp.php&plugin_status=all&paged=1&s&_wpnonce=37a3775c97
Aspect	after-activation
HTTP status	200
Load time	0.280 s
Memory usage	2.8 MiB
JS errors	None
Resource errors	None

WP SMTP

URL	/wp-admin/admin.php?page=wp-smtp%2Fwp-smtp.php
Requested URL	/wp-admin/admin.php?page=wp-smtp/wp-smtp.php
Aspect	menu-item
HTTP status	200
Load time	0.158 s
Memory usage	2.83 MiB
JS errors	None
Resource errors	None

WP SMTP → Mail Logs

URL	/wp-admin/admin.php?page=wpsmtp_logs
Aspect	menu-item
HTTP status	200
Load time	0.258 s
Memory usage	2.76 MiB
JS errors	None
Resource errors	None

Test site – Just another WordPress site

URL	/
Aspect	front-page
HTTP status	200
Load time	0.196 s
Memory usage	3.15 MiB
JS errors	None
Resource errors	None

Benchmark

URL	Load time			Memory usage
URL	Inactive	Active	Change	Inactive	Active	Change
/wp-admin/index.php	0.376 s	0.317 s	-0.059 s	2.83 MiB	2.86 MiB	+ 31.45 KiB
/wp-admin/edit.php	0.214 s	0.234 s	+0.020 s	2.85 MiB	2.88 MiB	+ 30.74 KiB
/wp-admin/post-new.php	0.743 s	0.656 s	-0.087 s	5.22 MiB	5.25 MiB	+ 35.83 KiB
/wp-admin/upload.php	0.586 s	0.483 s	-0.103 s	2.77 MiB	2.78 MiB	+ 14.08 KiB
/wp-admin/options-writing.php	0.224 s	0.202 s	-0.022 s	2.76 MiB	2.77 MiB	+ 6.05 KiB
/wp-admin/media-new.php	0.365 s	0.241 s	-0.124 s	2.74 MiB	2.77 MiB	+ 26.27 KiB
/wp-admin/edit-tags.php?taxonomy=category	0.192 s	0.201 s	+0.009 s	2.76 MiB	2.79 MiB	+ 31.45 KiB
/wp-admin/post-new.php?post_type=page	0.585 s	0.579 s	-0.006 s	5.21 MiB	5.24 MiB	+ 31.41 KiB
/wp-admin/options-discussion.php	0.205 s	0.251 s	+0.046 s	2.75 MiB	2.76 MiB	+ 14.58 KiB
/wp-admin/edit-comments.php	0.255 s	0.398 s	+0.143 s	2.78 MiB	2.8 MiB	+ 14.12 KiB
/	0.276 s	0.240 s	-0.036 s	3.13 MiB	3.16 MiB	+ 27.84 KiB
Average	0.366 s	0.346 s	-0.020 s	3.25 MiB	3.28 MiB	+ 23.98 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

JavaScript

Language		%	Lines of code	Comment lines	Files
	PHP	80.9%	769	60	7
	JavaScript	10.9%	104	5	1
	PO File	6.4%	61	22	1
	CSS	1.8%	17	0	1
Total			951	87	10

PHP Code Analysis | More results »

Lines of code	508
Total complexity	112
Median class complexity	15.5
Median method complexity	1.0
Most complex class	WP_SMTP
Most complex function	WP_SMTP::check_credentials()

Classes	6
Methods	36
Functions	0

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 1

wp_wpsmtp_logs

Options `wp_options` 1

wp_smtp_options

PHP Error Log 3 lines

[13-Oct-2023 02:38:06 UTC] PHP Notice:  Function wpdb::prepare was called <strong>incorrectly</strong>. The query argument of wpdb::prepare() must have a placeholder. Please see <a href="https://wordpress.org/documentation/article/debugging-in-wordpress/">Debugging in WordPress</a> for more information. (This message was added in version 3.9.0.) in /wp-includes/functions.php on line 5905
[13-Oct-2023 02:38:06 UTC] PHP Notice:  Function wpdb::prepare was called <strong>incorrectly</strong>. The query does not contain the correct number of placeholders (0) for the number of arguments passed (1). Please see <a href="https://wordpress.org/documentation/article/debugging-in-wordpress/">Debugging in WordPress</a> for more information. (This message was added in version 4.8.3.) in /wp-includes/functions.php on line 5905
[13-Oct-2023 02:38:06 UTC] SELECT * from wp_wpsmtp_logs ORDER BY `timestamp` desc LIMIT 0,10;

WP SMTP 1.2.5