OpenERP customers separation -

please know ho separate customers in category, since have 2 type of customers, first group should appear in crm->customers , vice versa avoid having huge list of customers when searching.

my first attempt add tag different customers separate them, example crm customers have tag name mass mailing correct achieve tags ?? , second question how set default search keyword example if click on sales -> customers how set default value of search box example crmonly tag thanks.

you can use "domain" ever want have such separation.