How to prohibit self-delivery by email?

If you want to prohibit sending by e-mail, you can consider the following methods:

1. Contact the service personnel of postal companies or express outlets directly and ask to close or prohibit the use of e-mail self-delivery service.

2. Refuse to receive express parcels delivered by e-mail, and choose other ways to pick them up.

3. Log in to official website or the client of the courier company by mobile phone or computer, and choose the way of picking up the pieces from the store or delivering them to your door.

4. If you are the person in charge of the express outlet or have the right to use the express cabinet, you can set the express package picked up by E-mail to be prohibited from entering your express outlet or express cabinet.

It should be noted that different courier companies and specific services may be different. Please refer to the official regulations of the courier company you use for specific operation methods.