Report - SMTP Mailer 1.1.23

Does SMTP Mailer work with WordPress 6.9 and PHP 8.1.12? A smoke test was performed on 2025-12-03 01:50:41 UTC.

Summary

Errors

6	PHP deprecation warnings
	No JavaScript exceptions
	All test pages loaded successfully
	No resource errors

Performance

Memory usage: 6 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	6.9
PHP version	8.1.12
MySQL version	10.6.10
PHP memory limit	512M

Plugin Info

Last updated	2026-01-12T04:54:00+00:00
Active installs	70,000+
WordPress.org page	https://wordpress.org/plugins/smtp-mailer/
Badges	Get badge code

Pages 7

Plugins ‹ Test site — WordPress

URL	/wp-admin/plugins.php?plugin_status=all&paged=1&s
Requested URL	/wp-admin/plugins.php?action=activate&plugin=smtp-mailer%2Fmain.php&plugin_status=all&paged=1&s&_wpnonce=b3230239da
Aspect	after-activation
HTTP status	200
Load time	0.315 s
Memory usage	3.74 MiB
JS errors	None
Resource errors	None

Settings → SMTP Mailer

URL	/wp-admin/options-general.php?page=smtp-mailer-settings
Aspect	menu-item
HTTP status	200
Load time	0.249 s
Memory usage	3.73 MiB
JS errors	None
Resource errors	None

Settings → SMTP Mailer → Test Email

URL	/wp-admin/options-general.php?page=smtp-mailer-settings&action=test-email
Aspect	menu-item-tab
HTTP status	200
Load time	0.232 s
Memory usage	3.71 MiB
JS errors	None
Resource errors	None

Settings → SMTP Mailer → Server Info

URL	/wp-admin/options-general.php?page=smtp-mailer-settings&action=server-info
Aspect	menu-item-tab
HTTP status	200
Load time	0.230 s
Memory usage	3.71 MiB
JS errors	None
Resource errors	None

Settings → SMTP Mailer → Add-ons

URL	/wp-admin/options-general.php?page=smtp-mailer-settings&action=addons
Aspect	menu-item-tab
HTTP status	200
Load time	0.267 s
Memory usage	3.71 MiB
JS errors	None
Resource errors	None

Settings → SMTP Mailer → Advanced

URL	/wp-admin/options-general.php?page=smtp-mailer-settings&action=advanced
Aspect	menu-item-tab
HTTP status	200
Load time	0.332 s
Memory usage	3.71 MiB
JS errors	None
Resource errors	None

Test site – Just another WordPress site

URL	/
Aspect	front-page
HTTP status	200
Load time	0.204 s
Memory usage	4.11 MiB
JS errors	None
Resource errors	None

Benchmark

URL	Load time			Memory usage
URL	Inactive	Active	Change	Inactive	Active	Change
/wp-admin/index.php	0.434 s	0.439 s	+0.005 s	3.77 MiB	3.78 MiB	+ 12.11 KiB
/wp-admin/edit.php	0.329 s	0.253 s	-0.076 s	3.78 MiB	3.79 MiB	+ 12.11 KiB
/wp-admin/post-new.php	0.802 s	0.763 s	-0.039 s	6.3 MiB	6.32 MiB	+ 16.54 KiB
/wp-admin/upload.php	0.445 s	0.400 s	-0.045 s	3.73 MiB	3.73 MiB	- 5.3 KiB
/wp-admin/options-writing.php	0.484 s	0.392 s	-0.092 s	3.71 MiB	3.71 MiB	- 1.3 KiB
/wp-admin/media-new.php	0.473 s	0.324 s	-0.149 s	3.7 MiB	3.71 MiB	+ 6.89 KiB
/wp-admin/edit-tags.php?taxonomy=category	0.306 s	0.264 s	-0.042 s	3.71 MiB	3.73 MiB	+ 17.56 KiB
/wp-admin/post-new.php?post_type=page	0.648 s	0.634 s	-0.014 s	6.29 MiB	6.3 MiB	+ 12.06 KiB
/wp-admin/options-discussion.php	0.315 s	0.326 s	+0.011 s	3.71 MiB	3.71 MiB	- 4.81 KiB
/wp-admin/edit-comments.php	0.302 s	0.337 s	+0.035 s	3.73 MiB	3.73 MiB	- 5.3 KiB
/	0.267 s	0.178 s	-0.089 s	4.1 MiB	4.11 MiB	+ 5.42 KiB
Average	0.437 s	0.392 s	-0.045 s	4.23 MiB	4.24 MiB	+ 6 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	96.0%	820	139	2
	CSS	4.0%	34	0	1
Total			854	139	3

PHP Code Analysis | More results »

Lines of code	849
Total complexity	182
Median class complexity	83.0
Median method complexity	2.0
Most complex class	SMTP_MAILER
Most complex function	smtp_mailer_pre_wp_mail()

Classes	1
Methods	14
Functions	7

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.

No new entries found.

PHP Error Log 6 lines

[03-Dec-2025 01:50:57 UTC] PHP Deprecated:  Function WP_Dependencies-&gt;add_data() was called with an argument that is <strong>deprecated</strong> since version 6.9.0! IE conditional comments are ignored by all supported browsers. in /wp-includes/functions.php on line 6131
[03-Dec-2025 01:50:57 UTC] PHP Deprecated:  Function WP_Dependencies-&gt;add_data() was called with an argument that is <strong>deprecated</strong> since version 6.9.0! IE conditional comments are ignored by all supported browsers. in /wp-includes/functions.php on line 6131
[03-Dec-2025 01:51:03 UTC] PHP Deprecated:  Function WP_Dependencies-&gt;add_data() was called with an argument that is <strong>deprecated</strong> since version 6.9.0! IE conditional comments are ignored by all supported browsers. in /wp-includes/functions.php on line 6131
[03-Dec-2025 01:51:03 UTC] PHP Deprecated:  Function WP_Dependencies-&gt;add_data() was called with an argument that is <strong>deprecated</strong> since version 6.9.0! IE conditional comments are ignored by all supported browsers. in /wp-includes/functions.php on line 6131
[03-Dec-2025 01:51:12 UTC] PHP Deprecated:  Function WP_Dependencies-&gt;add_data() was called with an argument that is <strong>deprecated</strong> since version 6.9.0! IE conditional comments are ignored by all supported browsers. in /wp-includes/functions.php on line 6131
[03-Dec-2025 01:51:12 UTC] PHP Deprecated:  Function WP_Dependencies-&gt;add_data() was called with an argument that is <strong>deprecated</strong> since version 6.9.0! IE conditional comments are ignored by all supported browsers. in /wp-includes/functions.php on line 6131