localpartlist dom_locals = ${expand:KV(locals, {$value}{+user_extaddr})}
localpartlist user_extaddr = ^CONF_user_extaddr_regexp
addresslist user_extaddr = ^CONF_user_extaddr_regexp
localpartlist dom_locals = ${expand:KV(locals, {$value}{+user_extaddr})}
localpartlist user_extaddr = ^CONF_user_extaddr_regexp
addresslist user_extaddr = ^CONF_user_extaddr_regexp