ITF Intake Assessment Part 1

Instructions: Carefully read the passages and answer the questions that follow

Email Protocols

Depending on your email provider, you may need to configure additional settings based on which protocol it uses.

POP3 – Post Office Protocol version 3 (POP3) is a protocol that enables an email client application to retrieve email messages from a mailbox on a mail server. With POP3, the email messages wait in the mailbox on the server until the client retrieves them, either on a schedule or manually. Once the messages are retrieved and downloaded to the client, they are generally deleted from the server. The client then stores and works with the email messages locally.

IMAP – Internet Mail Access Protocol version 4 (IMAP4) is a protocol that enables a client to retrieve messages from a mail server. With IMAP4, messages generally remain on the server while the client works with them as if they were local. IMAP4 enables users to search through messages by keywords and to choose which messages to download locally. Messages in the user's mailbox can be marked with different status flags that denote states such as "deleted" or "replied to." The messages and their status flags stay in the mailbox until explicitly removed by the user. Unlike POP3, IMAP4 enables users to access folders other than their mailbox.

SMTP – Simple Mail Transfer Protocol (SMTP) is used to send email from a client to a server or between servers. It uses a store-and-forward process, in which the sender starts the transfer. An SMTP server can store a message until the receiving device comes online. At that point, it contacts the device and forwards the message. If all devices are online the message is sent quickly.

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