mysql-virtual_sender_login_maps.cf.master

user = {mysql_server_ispconfig_user}
password = {mysql_server_ispconfig_password}
dbname = {mysql_server_database}
hosts = {mysql_server_ip}
query = SELECT destination FROM mail_forwarding WHERE source = '%s' AND active = 'y' AND allow_send_as = 'y' AND server_id = {server_id}
        UNION
        SELECT email FROM mail_user WHERE email = '%s' AND disablesmtp = 'n' AND server_id = {server_id}
           AND EXISTS (SELECT domain_id FROM mail_domain WHERE domain = SUBSTRING_INDEX('%s', '@', -1) AND active = 'y' AND server_id = {server_id})
        UNION
        SELECT login FROM mail_user WHERE email = '%s' AND disablesmtp = 'n' AND server_id = {server_id}
           AND EXISTS (SELECT domain_id FROM mail_domain WHERE domain = SUBSTRING_INDEX(email, '@', -1) AND active = 'y' AND server_id = {server_id})