'; } else { $mail_format = $_POST['mail_format']; } if ( !isset($_POST['send_users']) || !is_array($_POST['send_users']) || empty($_POST['send_users']) ) { $err_msg = $err_msg . __('You must enter at least a recipient.', MAILUSERS_I18N_DOMAIN) . '
'; } else { $send_users = $_POST['send_users']; } if ( !isset( $_POST['subject'] ) || trim($_POST['subject'])=='' ) { $err_msg = $err_msg . __('You must enter a subject.', MAILUSERS_I18N_DOMAIN) . '
'; } else { $subject = $_POST['subject']; } if ( !isset( $_POST['mailContent'] ) || trim($_POST['mailContent'])=='' ) { $err_msg = $err_msg . __('You must enter some content.', MAILUSERS_I18N_DOMAIN) . '
'; } else { $mail_content = $_POST['mailContent']; } // If no error, we send the mail if ( $err_msg=='' ) { // Fetch users // -- $recipients = mailusers_get_recipients_from_ids($send_users, $user_ID); // Do some HTML homework if needed //-- if ($mail_format=='html') { $mail_content = wpautop($mail_content); } if (empty($recipients)) { $err_msg = $err_msg . _e('No recipients were found.', MAILUSERS_I18N_DOMAIN) . '
'; } else { $num_sent = mailusers_send_mail($recipients, $subject, $mail_content, $mail_format, $from_name, $from_address); if (false === $num_sent) { $err_msg = $err_msg . _e('There was a problem trying to send email to users.', MAILUSERS_I18N_DOMAIN) . '
'; } else if (0 === $num_sent) { $err_msg = $err_msg . _e('No email has been sent to other users. This may be because no valid email addresses were found.', MAILUSERS_I18N_DOMAIN) . '
'; } else if ($num_sent > 0 && $num_sent == count($recipients)){ ?>

count($recipients)) { $err_msg = $err_msg . _e('WARNING: More email has been sent than the number of recipients found.', MAILUSERS_I18N_DOMAIN) . '
'; } else { ?>

Email has been sent to users, but recipients were originally found. Perhaps some users don't have valid email addresses?

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