Question

which protocol does not maintain copy of all emails​

Answer 1

Answer:

the HTTP protocol is not a protocol dedicated for email communications, but it can be used for accessing your mailbox. Also called web based email, this protocol can be used to compose or retrieve emails from an your account.

Explanation:

Answer 2

$\huge\mathrm{\pink{Answer}}$

The HTTP protocol is not a protocol dedicated for email communications, but it can be used for accessing your mailbox. Also called web based email, this protocol can be used to compose or retrieve emails from an your account.