wpsnoop: fix Postmark plugin conflicts, errors & issues

When the plugin Postmark 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 Postmark, plus learn which plugins and/or themes could be in conflict with Postmark.

Troubleshooting theme and plugin conflicts is easier when you know what Postmark 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 Postmark

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What does Postmark version 1.0 add to WordPress? Answers Here.

This is an automatically generated report - it is possible for Postmark to perform differently in your installation, previous versions before 1.0 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 1.0 of Postmark 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 Postmark 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.

Summary of WordPress plugin analysis: Postmark

Plugin Slug: postmark Internal ID: 54767 Addon Type: Plugin Version: 1.0 Price: Free Source: WordPress.org Files: 4 (14.69kB) Short Codes: [ / ] 0 Database Tables: 0 Function Count: 3 Code Review: Search Provit

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Which new files does Postmark add to WordPress?

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

The plugin Postmark added 4 new files when it was installed with WP-CLI in our WordPress test environment.

Type & Path	Size	Conflicts
wp-content/plugins/postmark/	14.69kB	No known conflicts with other themes or plugins.
wp-content/plugins/postmark/Postmark.php	8.56kB	No known conflicts with other themes or plugins.
wp-content/plugins/postmark/readme.txt	898.00B	No known conflicts with other themes or plugins.
wp-content/plugins/postmark/wp-postmark.php	5.25kB	No known conflicts with other themes or plugins.

Which new shortcodes does Postmark add to WordPress?

The plugin Postmark did not add any shortcodes when it was installed with WP-CLI in our WordPress test environment.

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

Postmark did not create any new database tables when it was installed. It is possible that the plugin creates new database tables after an initial setup or configuration or after some period of use.

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

None. There may be settings which have been changed by installing the Postmark plugin however we do not yet track those changes.

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

Installing Postmark added 3 new functions to Wordpress at run-time. These functions are internal and generally aren't meant to be used except by developpers who wish to interface with the plugin to enhance or alter its behavior.

Function	Conflicts	Common Errors
wp_mail	44 conflicts	Fatal error: Cannot redeclare wp_mail()
postmark_plugin_menu	0 conflicts	Fatal error: Cannot redeclare postmark_plugin_menu()
postmark_plugin_options	0 conflicts	Fatal error: Cannot redeclare postmark_plugin_options()

Using Postmark 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 Postmark from the command line with WP-CLI

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

wp plugin install postmark

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

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

wp plugin install postmark --activate

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

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

wp plugin install postmark --force

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

wp plugin update postmark

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

wp plugin delete postmark

Where can you download earlier versions of Postmark?

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 Postmark 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 Postmark

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 Postmark. Different versions of WordPress could implement the features of this plugin in slightly different ways as well.