What do you mean by self-help outlets?

The post office designated for delivery of your mail does not deliver the mail, so you need to pick it up yourself.

is a common term in modern postal service, which means that the courier has been delivered to the destination and the delivery method of the courier is "self-picked by the customer", that is, the recipient needs to come to pick up the courier himself.

there will be some self-help. I'll let you know exactly where, usually by text message or telephone. The place where the courier is collected is generally the local post office.

expansion: the "postal domestic parcel" business, also known as e-commerce parcel, is a brand-new product specially launched by China Post Group Company for the domestic light and small parcel delivery market, focusing on all kinds of delivery needs of e-commerce industry, providing personalized services to agreed customers, and implementing batch delivery, appointment delivery, door-to-door receipt and SMS notification during delivery.