wpsnoop: fix MailRCPT plugin conflicts, errors & issues

When the plugin MailRCPT conflicts or throws a PHP error we hope wpsnoop can help you to fix the issue quickly.


Discover which shortcodes wp-options PHP functions database tables and files are created by MailRCPT, plus learn which plugins and/or themes could be in conflict with MailRCPT.


Troubleshooting theme and plugin conflicts is easier when you know what MailRCPT leaves behind after uninstalling it from a WordPress installation, there is a list down below for your convenience.

Expert advice is recommended if you are not technically proficient with PHP, MySQL etc. View support options for MailRCPT

Get professional support for MailRCPT here

When you need professional help with WordPress: get help here


What does MailRCPT version 0.18 add to WordPress? Answers Here.

This is an automatically generated report - it is possible for MailRCPT to perform differently in your installation, previous versions before 0.18 may have created a different set of shortcodes, used different function names or could have created entirely different database tables to store settings and operate. This is not an exhaustive list but shows how version 0.18 of MailRCPT behaves when installed and removed on a clean installation of WordPress.

We have not tested individual shortcodes, features or settings of this plugin but instead have concentrated on the potential for obvious errors and conflicts which can occur, if you need help with the plugin in your local installation you can get WordPress help and support for MailRCPT by clicking here.

Our testing covered the free version of this plugin there may or may not be a paid version or premium version available for purchase that unlocks additional features and could behave in a slightly or very different manner.

Which new files does MailRCPT add to WordPress?

This section will populate with a table showing an icon, size and filepath.

Type & Path Size Conflicts
wp-content/plugins/mailrcpt/ 196.17kB No known conflicts with other themes or plugins.
wp-content/plugins/mailrcpt/admin-misc.php 838.00B No known conflicts with other themes or plugins.
wp-content/plugins/mailrcpt/admin-mustache.php 1.11kB No known conflicts with other themes or plugins.
wp-content/plugins/mailrcpt/admin-theme.php 1.97kB No known conflicts with other themes or plugins.
wp-content/plugins/mailrcpt/admin.php 17.65kB No known conflicts with other themes or plugins.
wp-content/plugins/mailrcpt/base.php 2.06kB No known conflicts with other themes or plugins.
wp-content/plugins/mailrcpt/cozyuni-admin-bind.php 1.63kB No known conflicts with other themes or plugins.
wp-content/plugins/mailrcpt/cozyuni-admin-resync.php 693.00B No known conflicts with other themes or plugins.
wp-content/plugins/mailrcpt/cozyuni-cache.php 838.00B No known conflicts with other themes or plugins.
wp-content/plugins/mailrcpt/cozyuni-captcha-class.php 3.28kB No known conflicts with other themes or plugins.
wp-content/plugins/mailrcpt/cozyuni-captcha-func.php 904.00B No known conflicts with other themes or plugins.
wp-content/plugins/mailrcpt/cozyuni-data.php 2.65kB No known conflicts with other themes or plugins.
wp-content/plugins/mailrcpt/cozyuni-func.php 6.75kB No known conflicts with other themes or plugins.
wp-content/plugins/mailrcpt/cozyuni-misc.php 658.00B No known conflicts with other themes or plugins.
wp-content/plugins/mailrcpt/cozyuni-sync.php 1.99kB No known conflicts with other themes or plugins.
wp-content/plugins/mailrcpt/fix.php 865.00B No known conflicts with other themes or plugins.
wp-content/plugins/mailrcpt/func-page.php 2.43kB No known conflicts with other themes or plugins.
wp-content/plugins/mailrcpt/func.php 173.00B No known conflicts with other themes or plugins.
wp-content/plugins/mailrcpt/logo.png 3.46kB No known conflicts with other themes or plugins.
wp-content/plugins/mailrcpt/mailrcpt-mailings-widget.php 3.08kB No known conflicts with other themes or plugins.
wp-content/plugins/mailrcpt/Mustache/ 131.78kB No known conflicts with other themes or plugins.
wp-content/plugins/mailrcpt/Mustache/Autoloader.php 2.02kB No known conflicts with other themes or plugins.
wp-content/plugins/mailrcpt/Mustache/Cache.php 767.00B No known conflicts with other themes or plugins.
wp-content/plugins/mailrcpt/Mustache/Cache/ 6.88kB No known conflicts with other themes or plugins.
wp-content/plugins/mailrcpt/Mustache/Cache/AbstractCache.php 1.47kB No known conflicts with other themes or plugins.
wp-content/plugins/mailrcpt/Mustache/Cache/FilesystemCache.php 4.35kB No known conflicts with other themes or plugins.
wp-content/plugins/mailrcpt/Mustache/Cache/NoopCache.php 1.06kB No known conflicts with other themes or plugins.
wp-content/plugins/mailrcpt/Mustache/Compiler.php 22.12kB No known conflicts with other themes or plugins.
wp-content/plugins/mailrcpt/Mustache/Context.php 6.74kB No known conflicts with other themes or plugins.
wp-content/plugins/mailrcpt/Mustache/Engine.php 24.99kB No known conflicts with other themes or plugins.
wp-content/plugins/mailrcpt/Mustache/Exception.php 338.00B No known conflicts with other themes or plugins.
wp-content/plugins/mailrcpt/Mustache/Exception/ 4.92kB No known conflicts with other themes or plugins.
wp-content/plugins/mailrcpt/Mustache/Exception/InvalidArgumentException.php 418.00B No known conflicts with other themes or plugins.
wp-content/plugins/mailrcpt/Mustache/Exception/LogicException.php 387.00B No known conflicts with other themes or plugins.
wp-content/plugins/mailrcpt/Mustache/Exception/RuntimeException.php 393.00B No known conflicts with other themes or plugins.
wp-content/plugins/mailrcpt/Mustache/Exception/SyntaxException.php 921.00B No known conflicts with other themes or plugins.
wp-content/plugins/mailrcpt/Mustache/Exception/UnknownFilterException.php 965.00B No known conflicts with other themes or plugins.
wp-content/plugins/mailrcpt/Mustache/Exception/UnknownHelperException.php 965.00B No known conflicts with other themes or plugins.
wp-content/plugins/mailrcpt/Mustache/Exception/UnknownTemplateException.php 987.00B No known conflicts with other themes or plugins.
wp-content/plugins/mailrcpt/Mustache/HelperCollection.php 3.66kB No known conflicts with other themes or plugins.
wp-content/plugins/mailrcpt/Mustache/LambdaHelper.php 1.96kB No known conflicts with other themes or plugins.
wp-content/plugins/mailrcpt/Mustache/Loader.php 578.00B No known conflicts with other themes or plugins.
wp-content/plugins/mailrcpt/Mustache/Loader/ 16.13kB No known conflicts with other themes or plugins.
wp-content/plugins/mailrcpt/Mustache/Loader/ArrayLoader.php 1.97kB No known conflicts with other themes or plugins.
wp-content/plugins/mailrcpt/Mustache/Loader/CascadingLoader.php 1.74kB No known conflicts with other themes or plugins.
wp-content/plugins/mailrcpt/Mustache/Loader/FilesystemLoader.php 4.21kB No known conflicts with other themes or plugins.
wp-content/plugins/mailrcpt/Mustache/Loader/InlineLoader.php 3.73kB No known conflicts with other themes or plugins.
wp-content/plugins/mailrcpt/Mustache/Loader/MutableLoader.php 688.00B No known conflicts with other themes or plugins.
wp-content/plugins/mailrcpt/Mustache/Loader/ProductionFilesystemLoader.php 2.85kB No known conflicts with other themes or plugins.
wp-content/plugins/mailrcpt/Mustache/Loader/StringLoader.php 976.00B No known conflicts with other themes or plugins.
wp-content/plugins/mailrcpt/Mustache/Logger.php 3.29kB No known conflicts with other themes or plugins.
wp-content/plugins/mailrcpt/Mustache/Logger/ 8.55kB No known conflicts with other themes or plugins.
wp-content/plugins/mailrcpt/Mustache/Logger/AbstractLogger.php 3.12kB No known conflicts with other themes or plugins.
wp-content/plugins/mailrcpt/Mustache/Logger/StreamLogger.php 5.43kB No known conflicts with other themes or plugins.
wp-content/plugins/mailrcpt/Mustache/Parser.php 10.62kB No known conflicts with other themes or plugins.
wp-content/plugins/mailrcpt/Mustache/Source.php 1.03kB No known conflicts with other themes or plugins.
wp-content/plugins/mailrcpt/Mustache/Source/ 1.85kB No known conflicts with other themes or plugins.
wp-content/plugins/mailrcpt/Mustache/Source/FilesystemSource.php 1.85kB No known conflicts with other themes or plugins.
wp-content/plugins/mailrcpt/Mustache/Template.php 4.89kB No known conflicts with other themes or plugins.
wp-content/plugins/mailrcpt/Mustache/Tokenizer.php 10.49kB No known conflicts with other themes or plugins.
wp-content/plugins/mailrcpt/pages-func.php 2.86kB No known conflicts with other themes or plugins.
wp-content/plugins/mailrcpt/pages-post.php 942.00B No known conflicts with other themes or plugins.
wp-content/plugins/mailrcpt/pages.php 3.43kB No known conflicts with other themes or plugins.
wp-content/plugins/mailrcpt/README.txt 2.53kB No known conflicts with other themes or plugins.
wp-content/plugins/mailrcpt/ws.php 1.73kB No known conflicts with other themes or plugins.

Which new shortcodes does MailRCPT add to WordPress?

Which new database tables are created by the WordPress plugin MailRCPT?

Which new options are added to the wp-options table by MailRCPT?

Option Name   Known Conflicts
widget_mailrcpt_mailings_widget The widget_mailrcpt_mailings_widget option doesn't have any known conflicts with other themes or plugins.

During use MailRCPT may or may not create more options depending on how the plugin is configured and depending on which other themes and plugins are active in your specific hosting environment.

What new PHP functions does MailRCPT declare when it is active?

Function   Conflicts Common Errors
_cozyuni_cookie 2 conflicts Fatal error: Cannot redeclare _cozyuni_cookie()
_cozyuni_get 2 conflicts Fatal error: Cannot redeclare _cozyuni_get()
_cozyuni_post 2 conflicts Fatal error: Cannot redeclare _cozyuni_post()
_cozyuni_request 2 conflicts Fatal error: Cannot redeclare _cozyuni_request()
_cozyuni_server 2 conflicts Fatal error: Cannot redeclare _cozyuni_server()
cozyuni_add_shake_error_codes 1 conflict Fatal error: Cannot redeclare cozyuni_add_shake_error_codes()
cozyuni_addslashes_deep 2 conflicts Fatal error: Cannot redeclare cozyuni_addslashes_deep()
cozyuni_captcha_form_field 1 conflict Fatal error: Cannot redeclare cozyuni_captcha_form_field()
cozyuni_clean 2 conflicts Fatal error: Cannot redeclare cozyuni_clean()
cozyuni_clearcached 2 conflicts Fatal error: Cannot redeclare cozyuni_clearcached()
cozyuni_contains 2 conflicts Fatal error: Cannot redeclare cozyuni_contains()
cozyuni_delete_user 1 conflict Fatal error: Cannot redeclare cozyuni_delete_user()
cozyuni_generic_slashes_wrap 2 conflicts Fatal error: Cannot redeclare cozyuni_generic_slashes_wrap()
cozyuni_getapikey 2 conflicts Fatal error: Cannot redeclare cozyuni_getapikey()
cozyuni_getbaseurl 2 conflicts Fatal error: Cannot redeclare cozyuni_getbaseurl()
cozyuni_getcached 2 conflicts Fatal error: Cannot redeclare cozyuni_getcached()
cozyuni_geterrorlistener 2 conflicts Fatal error: Cannot redeclare cozyuni_geterrorlistener()
cozyuni_getwspass 2 conflicts Fatal error: Cannot redeclare cozyuni_getwspass()
cozyuni_handleremotetodo 2 conflicts Fatal error: Cannot redeclare cozyuni_handleremotetodo()
cozyuni_include_require_files 1 conflict Fatal error: Cannot redeclare cozyuni_include_require_files()
cozyuni_issubscriber 2 conflicts Fatal error: Cannot redeclare cozyuni_issubscriber()
cozyuni_password_reset 1 conflict Fatal error: Cannot redeclare cozyuni_password_reset()
cozyuni_printadmincss 2 conflicts Fatal error: Cannot redeclare cozyuni_printadmincss()
cozyuni_printadminmsg 2 conflicts Fatal error: Cannot redeclare cozyuni_printadminmsg()
cozyuni_printstep 2 conflicts Fatal error: Cannot redeclare cozyuni_printstep()
cozyuni_profile_update 1 conflict Fatal error: Cannot redeclare cozyuni_profile_update()
cozyuni_remote_get 2 conflicts Fatal error: Cannot redeclare cozyuni_remote_get()
cozyuni_remote_post 2 conflicts Fatal error: Cannot redeclare cozyuni_remote_post()
cozyuni_setadminmsg 2 conflicts Fatal error: Cannot redeclare cozyuni_setadminmsg()
cozyuni_setcached 2 conflicts Fatal error: Cannot redeclare cozyuni_setcached()
cozyuni_startswith 2 conflicts Fatal error: Cannot redeclare cozyuni_startswith()
cozyuni_syncupdateuser 1 conflict Fatal error: Cannot redeclare cozyuni_syncupdateuser()
cozyuni_touserrest 1 conflict Fatal error: Cannot redeclare cozyuni_touserrest()
cozyuni_user_register 1 conflict Fatal error: Cannot redeclare cozyuni_user_register()
cozyuni_wp_footer 1 conflict Fatal error: Cannot redeclare cozyuni_wp_footer()
write_log 76 conflicts Fatal error: Cannot redeclare write_log()
mailrcp_isvalidwsrequest 0 conflicts Fatal error: Cannot redeclare mailrcp_isvalidwsrequest()
mailrcpt_admin_init 0 conflicts Fatal error: Cannot redeclare mailrcpt_admin_init()
mailrcpt_admin_menu 0 conflicts Fatal error: Cannot redeclare mailrcpt_admin_menu()
mailrcpt_createuser 0 conflicts Fatal error: Cannot redeclare mailrcpt_createuser()
mailrcpt_fixmodel 0 conflicts Fatal error: Cannot redeclare mailrcpt_fixmodel()
mailrcpt_fixpaths 0 conflicts Fatal error: Cannot redeclare mailrcpt_fixpaths()
mailrcpt_formatdates 0 conflicts Fatal error: Cannot redeclare mailrcpt_formatdates()
mailrcpt_getapikeyheader 0 conflicts Fatal error: Cannot redeclare mailrcpt_getapikeyheader()
mailrcpt_getcookieheader 0 conflicts Fatal error: Cannot redeclare mailrcpt_getcookieheader()
mailrcpt_getheaders 0 conflicts Fatal error: Cannot redeclare mailrcpt_getheaders()
mailrcpt_getpathfromurl 0 conflicts Fatal error: Cannot redeclare mailrcpt_getpathfromurl()
mailrcpt_getrealfullurl 0 conflicts Fatal error: Cannot redeclare mailrcpt_getrealfullurl()
mailrcpt_getrealrelativeurl 0 conflicts Fatal error: Cannot redeclare mailrcpt_getrealrelativeurl()
mailrcpt_getuserheader 0 conflicts Fatal error: Cannot redeclare mailrcpt_getuserheader()
mailrcpt_handlepost 0 conflicts Fatal error: Cannot redeclare mailrcpt_handlepost()
mailrcpt_handlewebservice 0 conflicts Fatal error: Cannot redeclare mailrcpt_handlewebservice()
mailrcpt_isactive 0 conflicts Fatal error: Cannot redeclare mailrcpt_isactive()
mailrcpt_pagecontent 0 conflicts Fatal error: Cannot redeclare mailrcpt_pagecontent()
mailrcpt_pagetitle 0 conflicts Fatal error: Cannot redeclare mailrcpt_pagetitle()
mailrcpt_plugin_action_links 0 conflicts Fatal error: Cannot redeclare mailrcpt_plugin_action_links()
mailrcpt_plugin_options 0 conflicts Fatal error: Cannot redeclare mailrcpt_plugin_options()
mailrcpt_processcookies 0 conflicts Fatal error: Cannot redeclare mailrcpt_processcookies()
mailrcpt_processheaders 0 conflicts Fatal error: Cannot redeclare mailrcpt_processheaders()
mailrcpt_sendwserrorandexit 0 conflicts Fatal error: Cannot redeclare mailrcpt_sendwserrorandexit()
mailrcpt_setglobalvars 0 conflicts Fatal error: Cannot redeclare mailrcpt_setglobalvars()
mailrcpt_widgets_init 0 conflicts Fatal error: Cannot redeclare mailrcpt_widgets_init()
mailrcpt_wp 0 conflicts Fatal error: Cannot redeclare mailrcpt_wp()

Using MailRCPT from the command line with WP-CLI

The following commands are provided for convenience and should only be used if you understand how WP-CLI works. These commands refer to a single WordPress instance and may need to be modified if you are working with a Multisite installation.


How to install MailRCPT from the command line with WP-CLI

Navigate to the root of your WordPress installation and type the following command:

wp plugin install mailrcpt


How to activate MailRCPT from the command line with WP-CLI

To immediately activate MailRCPT after WP-CLI downloads the latest version you can use the following command:

wp plugin install mailrcpt --activate


How to reinstall MailRCPT from the command line with WP-CLI

To force a reinstallation of MailRCPT which overwrites the current plugin without asking for confirmation you can use the following command:

wp plugin install mailrcpt --force


How to update MailRCPT to the latest version from the command line with WP-CLI

wp plugin update mailrcpt


How to delete MailRCPT from the command line with WP-CLI

wp plugin delete mailrcpt

Where can you download earlier versions of MailRCPT?

Whenever possible you should use the latest version of plugins and themes, however if you have recently updated and discovered that you need to install an earlier version you may be able to download other versions of MailRCPT from the WordPress repository by visiting this link.

Please note that installing earlier versions of a theme or plugin is not generally a recommended course of action for most users and could re-introduce security, stability or other issues in MailRCPT

About our testing enviroment

Tests were conducted using Apache 2.4.29, PHP 7.2 on Ubuntu 18.04, MySQL 5.7.33 and WordPress 5.9

It is very possible that different versions of PHP such as PHP 8.0, PHP 7.4, or PHP 7.3 could behave differently with MailRCPT. Different versions of WordPress could implement the features of this plugin in slightly different ways as well.