Antwort #1 am: 24. April 2019, 20:30:43
Das ist ein Bug, der erst in der kommenden Version korrigiert ist.
Hotfix:
/admin/gv_mail.php
$mail_query = xtc_db_query("select customers_firstname, customers_lastname, customers_email_address from " . TABLE_CUSTOMERS . " where customers_email_address = '" . xtc_db_input($customers_email_address) . "'");
Ändern in:
$mail_query = xtc_db_query("select customers_firstname, customers_lastname, customers_email_address from " . TABLE_CUSTOMERS . " where customers_email_address = '" . xtc_db_input($customers_email_address) . "' GROUP BY customers_email_address");
Gruß Gerhard