In Debug mode, the plugin throws a couple of errors.
This causes output to be sent before headers are sent, which just kind of screws things up.
]]>Notice: Use of undefined constant HTMLIZE_VERSION – assumed ‘HTMLIZE_VERSION’ in
/wp-content/plugins/html-emails/html-emails.phpon line 39Notice: Use of undefined constant HTMLIZE_BASE_TEMPLATE – assumed ‘HTMLIZE_BASE_TEMPLATE’ in
/wp-content/plugins/html-emails/html-emails.phpon line 40Notice: Use of undefined constant HTMLIZE_FOLDER – assumed ‘HTMLIZE_FOLDER’ in
/wp-content/plugins/html-emails/html-emails.phpon line 41Notice: Use of undefined constant HTMLIZE_PATH – assumed ‘HTMLIZE_PATH’ in
/wp-content/plugins/html-emails/html-emails.phpon line 42Notice: Use of undefined constant HTMLIZE_URL – assumed ‘HTMLIZE_URL’ in
/wp-content/plugins/html-emails/html-emails.phpon line 43Notice: Use of undefined constant HTMLIZE_TEMPLATE_DIR – assumed ‘HTMLIZE_TEMPLATE_DIR’ in
/wp-content/plugins/html-emails/html-emails.phpon line 44
what exactly is the difference between your plugin and this one: https://www.ads-software.com/extend/plugins/clean-notifications/
been using that one for years…
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