Title: PHP mail function
Last modified: April 30, 2026

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# PHP mail function

 *  [Olaf Lederer](https://wordpress.org/support/users/finalwebsites/)
 * (@finalwebsites)
 * [2 weeks, 6 days ago](https://wordpress.org/support/topic/php-mail-function-3/)
 * Hi,
 * On a large number of hosting platforms, the PHP mail() function does not work
   or only works partially. As a result, NFW users do not receive some emails. Would
   it perhaps be an idea to add a simple SMTP function? Using constant variables,
   you could easily enable an option. This project seems suitable for this:
   [https://github.com/snipworks/php-smtp](https://github.com/snipworks/php-smtp)

Viewing 1 replies (of 1 total)

 *  Plugin Contributor [bruandet](https://wordpress.org/support/users/bruandet/)
 * (@bruandet)
 * [2 weeks, 5 days ago](https://wordpress.org/support/topic/php-mail-function-3/#post-18896129)
 * Do you know which emails are not received ?
   The only emails sent via mail() are
   the File Guard (free and premium versions) and Webfilter (premium version only)
   features.All others are sent via the WordPress wp_mail() function, which uses
   PHPMailer.

Viewing 1 replies (of 1 total)

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 * 1 reply
 * 2 participants
 * Last reply from: [bruandet](https://wordpress.org/support/users/bruandet/)
 * Last activity: [2 weeks, 5 days ago](https://wordpress.org/support/topic/php-mail-function-3/#post-18896129)
 * Status: not a support question