text_combined: chantal rosmuller hvqzadwantennanl hi try send mail existing user get following error 451 435 server configuration error maincf smtpd_recipient_restrictions permit_mynetworks reject_unauth_destination check_recipient_access mysqlconfig_directorymysql_virtual_user_mapscf mysql_virtual_user_mapscf user dbuser password secret dbname postfix hosts maildb table mailbox select_field access where_field username mailbox table looks like create table exists mailbox mailbox_id int11 null username varchar255 null default password varchar255 null default name varchar255 null default maildir varchar255 null default quota int10 null default 0 domain varchar255 null default created datetime null default 00000000 000000 modified datetime null default 00000000 000000 active tinyint1 null default 1 access varchar255 null default ok primary key mailbox_id key username username enginemyisam default charsetlatin1 commentvirtual mailboxes leave check_recipient_access everything works fine dont want accept mail non existing users anyone tell wrong regards chantal fri 08 aug 2008 003629 0100 cant get check_recipient_access working