Site Mailer - SMTP Replacement, Email API Deliverability & Email Log 1.3.0
Does "Site Mailer - SMTP Replacement, Email API Deliverability & Email Log" work with WordPress 6.9 and PHP 8.1.12? A smoke test was performed on .
Summary
Errors
| 4 | PHP deprecation warnings |
| 3 | Unrecognized messages in the PHP error log |
| No JavaScript exceptions | |
| All test pages loaded successfully | |
| No resource errors |
Performance
Memory usage: 150.69 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 | |
|---|---|
| Active installs | 100,000+ |
| WordPress.org page | https://wordpress.org/plugins/site-mailer/ |
| Badges |
|
Pages 3
Plugins ‹ Test site — WordPress
| URL | /wp-admin/plugins.php?plugin_status=all&paged=1&s |
|---|---|
| Requested URL | /wp-admin/plugins.php?action=activate&plugin=site-mailer%2Fsite-mailer.php&plugin_status=all&paged=1&s&_wpnonce=e3ed6464ac |
| Aspect | after-activation |
| HTTP status | 200 |
| Load time | 0.771 s |
| Memory usage | 4.12 MiB |
| JS errors | None |
| Resource errors | None |
Settings → Site Mailer
| URL | /wp-admin/options-general.php?page=site-mailer-settings |
|---|---|
| Aspect | menu-item |
| HTTP status | 200 |
| Load time | 0.791 s |
| Memory usage | 3.83 MiB |
| JS errors | None |
| Resource errors | None |
Test site – Just another WordPress site
| URL | / |
|---|---|
| Aspect | front-page |
| HTTP status | 200 |
| Load time | 0.222 s |
| Memory usage | 4.22 MiB |
| JS errors | None |
| Resource errors | None |
Benchmark
| URL | Load time | Memory usage | ||||
|---|---|---|---|---|---|---|
| Inactive | Active | Change | Inactive | Active | Change | |
| /wp-admin/index.php | 0.527 s | 0.381 s | -0.146 s | 3.78 MiB | 3.88 MiB | + 108.04 KiB |
| /wp-admin/edit.php | 0.374 s | 0.466 s | +0.092 s | 3.78 MiB | 3.89 MiB | + 105.23 KiB |
| /wp-admin/post-new.php | 0.867 s | 0.902 s | +0.035 s | 6.31 MiB | 6.72 MiB | + 425.05 KiB |
| /wp-admin/upload.php | 0.532 s | 0.498 s | -0.034 s | 3.74 MiB | 3.82 MiB | + 87.45 KiB |
| /wp-admin/options-writing.php | 0.331 s | 0.308 s | -0.023 s | 3.71 MiB | 3.8 MiB | + 93.41 KiB |
| /wp-admin/media-new.php | 0.532 s | 0.361 s | -0.171 s | 3.7 MiB | 3.8 MiB | + 99.64 KiB |
| /wp-admin/edit-tags.php?taxonomy=category | 0.354 s | 0.319 s | -0.035 s | 3.72 MiB | 3.82 MiB | + 110.31 KiB |
| /wp-admin/post-new.php?post_type=page | 0.692 s | 0.707 s | +0.015 s | 6.3 MiB | 6.64 MiB | + 354.54 KiB |
| /wp-admin/options-discussion.php | 0.333 s | 0.503 s | +0.170 s | 3.71 MiB | 3.8 MiB | + 89.91 KiB |
| /wp-admin/edit-comments.php | 0.342 s | 0.308 s | -0.034 s | 3.73 MiB | 3.82 MiB | + 87.44 KiB |
| / | 0.293 s | 0.181 s | -0.112 s | 4.12 MiB | 4.21 MiB | + 96.6 KiB |
| Average | 0.471 s | 0.449 s | -0.022 s | 4.24 MiB | 4.38 MiB | + 150.69 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.
| Language | % | Lines of code | Comment lines | Files | |
|---|---|---|---|---|---|
| PHP | 77.1% | 6,391 | 2,317 | 98 | |
| JavaScript | 17.9% | 1,481 | 43 | 27 | |
| CSS | 3.1% | 253 | 3 | 7 | |
| Markdown | 2.0% | 163 | 0 | 1 | |
| Total | 8,288 | 2,363 | 133 | ||
PHP Code Analysis | More results »
| Lines of code | 6,360 |
|---|---|
| Total complexity | 1,020 |
| Median class complexity | 6.0 |
| Median method complexity | 1.0 |
| Most complex class | SiteMailer\Classes\Database\Table |
| Most complex function | SiteMailer\Classes\Services\Client::request() |
| Classes | 94 |
|---|---|
| Methods | 505 |
| 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 3
- wp_site_mail_logs
- wp_site_mail_statuses
- wp_site_mail_suppressions
Options wp_options 6
- _site-mailer_notifications
- elementor_connect_site_key
- site_mail_logs_db_version
- site_mailer_review_data
- site_mailer_statuses_db_version
- site_mailer_suppressions_db_version
PHP Error Log 7 lines
[02-Dec-2025 23:52:40 UTC] [Site Mailer]: error in SiteMailer\Modules\Settings\Module::refresh_plan_data(): Invalid connect data
[02-Dec-2025 23:52:40 UTC] [Site Mailer]: error in SiteMailer\Modules\Settings\Module::refresh_plan_data(): Invalid connect data
[02-Dec-2025 23:52:40 UTC] [Site Mailer]: error in SiteMailer\Modules\Settings\Module::refresh_plan_data(): Invalid connect data
[02-Dec-2025 23:52:41 UTC] PHP Deprecated: Function WP_Dependencies->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
[02-Dec-2025 23:52:41 UTC] PHP Deprecated: Function WP_Dependencies->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
[02-Dec-2025 23:52:51 UTC] PHP Deprecated: Function WP_Dependencies->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
[02-Dec-2025 23:52:51 UTC] PHP Deprecated: Function WP_Dependencies->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