Title: Plugin not send emails Last modified: April 22, 2019 --- # Plugin not send emails * Resolved [Vakula](https://wordpress.org/support/users/vakula/) * (@vakula) * [7 years, 1 month ago](https://wordpress.org/support/topic/plugin-not-send-emails/) * Hi, I have problem as on here: [https://wordpress.org/support/topic/plugin-not-working-614/](https://wordpress.org/support/topic/plugin-not-working-614/) I have the last version of WordPress. Please help me. Thank you in advance! Viewing 11 replies - 1 through 11 (of 11 total) * [wpshrike](https://wordpress.org/support/users/wpshrike/) * (@wpshrike) * [7 years, 1 month ago](https://wordpress.org/support/topic/plugin-not-send-emails/#post-11475777) * Hi, we have already added SMTP settings in our plugin. * Please verify your SMTP settings are correct and configure them in plugin. * Let me know if you still see the issue. * Thread Starter [Vakula](https://wordpress.org/support/users/vakula/) * (@vakula) * [7 years, 1 month ago](https://wordpress.org/support/topic/plugin-not-send-emails/#post-11477171) * Yes, SMTP settings is correct. I have try my several SMTP, but not working.. * [Chudz](https://wordpress.org/support/users/chudz/) * (@chudz) * [7 years, 1 month ago](https://wordpress.org/support/topic/plugin-not-send-emails/#post-11477631) * I am also having this problem. I have WP Mail SMTP installed I copied over my setting from that plugin and still no joy. * Thanks * [wpshrike](https://wordpress.org/support/users/wpshrike/) * (@wpshrike) * [7 years, 1 month ago](https://wordpress.org/support/topic/plugin-not-send-emails/#post-11478882) * Can you please give the login details of your site so that we can check the issue. * Please send us login details on [wpshrike@gmail.com](https://wordpress.org/support/topic/plugin-not-send-emails/wpshrike@gmail.com?output_format=md) * [redndusty](https://wordpress.org/support/users/redndusty/) * (@redndusty) * [7 years ago](https://wordpress.org/support/topic/plugin-not-send-emails/#post-11486016) * Has there been any resolution to this? I have the same set up as Chudz and I’m using a Google API on WP Mail SMTP. * [redndusty](https://wordpress.org/support/users/redndusty/) * (@redndusty) * [7 years ago](https://wordpress.org/support/topic/plugin-not-send-emails/#post-11486025) * On the SMTP set up page, I have the below notice displaying with WP debug turned on. * > Notice: Use of undefined constant IVBR_SMTP_ACCESS – assumed ‘IVBR_SMTP_ACCESS’ > in /home/blahblah/wp-content/plugins/invitation-based-registrations/admin/partials/ > invitation-based-registrations-smtp.php on line 5 * Thread Starter [Vakula](https://wordpress.org/support/users/vakula/) * (@vakula) * [7 years ago](https://wordpress.org/support/topic/plugin-not-send-emails/#post-11486035) * My error on the SMTP set up page: WARNING: wp-content/plugins/invitation-based- registrations/admin/partials/invitation-based-registrations-smtp.php:5 – Use of undefined constant IVBR_SMTP_ACCESS – assumed ‘IVBR_SMTP_ACCESS’ (this will throw an Error in a future version of PHP) do_action(‘invite-users_page_invite_users_smtp’), WP_Hook->do_action, WP_Hook->apply_filters, Invitation_Based_Registrations_Admin- >invite_users_smtp, invitation_based_registrations_invite_smtp PHP version: 7.3.2 * [wpshrike](https://wordpress.org/support/users/wpshrike/) * (@wpshrike) * [7 years ago](https://wordpress.org/support/topic/plugin-not-send-emails/#post-11486242) * We have published a fix for “use of undefined constant IVBR_SMTP_ACCESS”. * Please upgrade to latest version. * Thread Starter [Vakula](https://wordpress.org/support/users/vakula/) * (@vakula) * [7 years ago](https://wordpress.org/support/topic/plugin-not-send-emails/#post-11486251) * I have use the last version of plugin, it is 2.2.8 * Thread Starter [Vakula](https://wordpress.org/support/users/vakula/) * (@vakula) * [6 years, 8 months ago](https://wordpress.org/support/topic/plugin-not-send-emails/#post-11895250) * Has there been any resolution to this? * My error on the SMTP set up page (mysite.com/wp-admin/admin.php?page=invite_users_smtp): * WARNING: wp-content/plugins/invitation-based-registrations/admin/partials/invitation- based-registrations-smtp.php:5 – Use of undefined constant IVBR_SMTP_ACCESS – assumed ‘IVBR_SMTP_ACCESS’ (this will throw an Error in a future version of PHP) do_action(‘invite-users_page_invite_users_smtp’), WP_Hook->do_action, WP_Hook- >apply_filters, Invitation_Based_Registrations_Admin->invite_users_smtp, invitation_based_registrations_invite_smtp * Thread Starter [Vakula](https://wordpress.org/support/users/vakula/) * (@vakula) * [6 years, 8 months ago](https://wordpress.org/support/topic/plugin-not-send-emails/#post-11895255) * PHP version: 7.3.9 - This reply was modified 6 years, 8 months ago by [Vakula](https://wordpress.org/support/users/vakula/). Viewing 11 replies - 1 through 11 (of 11 total) The topic ‘Plugin not send emails’ is closed to new replies. * ![](https://s.w.org/plugins/geopattern-icon/invitation-based-registrations.svg) * [Invitation Based Registrations](https://wordpress.org/plugins/invitation-based-registrations/) * [Support Threads](https://wordpress.org/support/plugin/invitation-based-registrations/) * [Active Topics](https://wordpress.org/support/plugin/invitation-based-registrations/active/) * [Unresolved Topics](https://wordpress.org/support/plugin/invitation-based-registrations/unresolved/) * [Reviews](https://wordpress.org/support/plugin/invitation-based-registrations/reviews/) * 11 replies * 4 participants * Last reply from: [Vakula](https://wordpress.org/support/users/vakula/) * Last activity: [6 years, 8 months ago](https://wordpress.org/support/topic/plugin-not-send-emails/#post-11895255) * Status: resolved