Title: [Plugin: WP Mail SMTP] deprecated function
Last modified: August 20, 2016

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# [Plugin: WP Mail SMTP] deprecated function

 *  [simonhayre](https://wordpress.org/support/users/simonhayre/)
 * (@simonhayre)
 * [13 years, 10 months ago](https://wordpress.org/support/topic/plugin-wp-mail-smtp-deprecated-function/)
 * Notice: validate_email is **deprecated** since version 3.0! Use is_email() instead.
   in \htdocs\wp-includes\functions.php on line 2628
 * [http://wordpress.org/extend/plugins/wp-mail-smtp/](http://wordpress.org/extend/plugins/wp-mail-smtp/)

The topic ‘[Plugin: WP Mail SMTP] deprecated function’ is closed to new replies.

 * ![](https://ps.w.org/wp-mail-smtp/assets/icon-256x256.png?rev=1755440)
 * [WP Mail SMTP by WPForms - The Most Popular SMTP and Email Log Plugin](https://wordpress.org/plugins/wp-mail-smtp/)
 * [Frequently Asked Questions](https://wordpress.org/plugins/wp-mail-smtp/#faq)
 * [Support Threads](https://wordpress.org/support/plugin/wp-mail-smtp/)
 * [Active Topics](https://wordpress.org/support/plugin/wp-mail-smtp/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/wp-mail-smtp/unresolved/)
 * [Reviews](https://wordpress.org/support/plugin/wp-mail-smtp/reviews/)

 * 0 replies
 * 1 participant
 * Last reply from: [simonhayre](https://wordpress.org/support/users/simonhayre/)
 * Last activity: [13 years, 10 months ago](https://wordpress.org/support/topic/plugin-wp-mail-smtp-deprecated-function/)
 * Status: not resolved