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List of contents of this article:

• 1, How to send and receive emails? How to send and receive emails?
• 2 、 How does Alibaba Cloud Mail use the iPhone mailbox client to send and receive emails?
• 4, Email sending and receiving principle
• 5, How to set up iPhone mail How to set up 163 mail sending and receiving server

How to send and receive emails? How to send and receive emails?

1. Open "Outlook Express" from the computer; click the new mail icon on the toolbar to write a new email; fill in the recipient's address, CC address and email subject (the recipient's address is not an obsence) and write the email content.

2. Step 1 Open the mailbox login page, enter "Mail.16com" in the address bar of the browser to enter the mailbox login interface, enter the Email username and password, and then click the "Login" button. After logging in to the email address and entering the mailbox usage interface, the operations related to the email address will be completed here.

3. Usually we register our email address on a website.After that, to send and receive emails, you must log in to the website, enter the email web page, enter the account name and password, and then carry out the operation of receiving, sending and writing emails. After using Outlook Express, these sequences are skipped in one step.

4. Click the new pop-up page on the email account page to select the email account. Click Next. Enter the correct information on the automatic account setting page and click Next. Ordinary mailboxes can be configured automatically without manual configuration.

5. Step 1: Choose an email service provider. First, you need to choose an email service provider. At present, there are many email service providers to choose from on the market, such as Gmail, Outlook, Yahoo, etc.

6. First of all, we turn on the mobile phone and find the email function that comes with the mobile phone (general mobile phones have it, and this is a certain mobile phone). Enter the main email interface. First of all, we need to add a mailbox for subsequent emails. At this time, click the inbox in the upper left corner.

The built-in sending and receiving system of windows is

Outlook is not a provider of email, but a sending, sending, writing and managing electronics in the Windows operating system. The built-in software of the email, that is, the tool for receiving, sending, writing and managing emails, is very convenient to send and receive emails.

outlook express isA tool for sending and receiving emails comes with the Windows system. If we use a personal computer, this function is still very convenient.

Or by the bottom search function, all emails. Click "Account". Select "Other Accounts". Enter the QQ mailbox, name (custom) and authorization code for the preparation, and then click "Login". The completed pages added are as follows.

Windows 10 Mail is a simplified version of the mail client built into the Windows 10 operating system, which mainly provides basic mail sending and receiving functions. Structure and installation: Outlook is an independent application that needs to be installed separately. It can be installed as part of the Microsoft Office suite, or it can be purchased and installed separately.

How does Alibaba Cloud Mail use the iPhone mailbox client to send and receive emails?

Email - Account Settings - Other Accounts, Add Account Information: Email Address: Complete Cloud Email Account Such As test@aliyun.com; Password: Email Login Password.

Step 1: Click the Mail icon that comes with the system, enter the mailbox selection page, and click "Other", as shown in the figure below: Step 2: Fill in the email address and password in "New Account".

Log in to Alibaba Cloud mailbox first for the computer web version http://mail.aliyun.com/=="MAILBOX SETTINGS" IN THE UPPER RIGHT CORNER ==" "CLIENT PASSWORD "CLICT" TO ENABLE "==" ENTER "CLIENT PASSWORD" GENERALLY, USE THE LOGIN PASSWORD.

The operation of setting up Alibaba Cloud mailbox on iPhone is: Step 1: Click the "mailbox mail" icon on the desktop. Step 2: Select your personal email and click "Other". Step 3: After entering the Alibaba Cloud mailbox information, click "Save" above. After successful connection, you can use the mailbox function.

The operation steps of sending and receiving mailboxes using the iPhone's built-in mailbox function are as follows: First, you need to find the corresponding icon of [Settings] on the desktop of the iPhone and click the icon to enter the [Settings] page. Then find the option [Account and Password] on the [Settings] page and click the option to enter the new page.

Select the outgoing server "SMTP", and you can set SMTP to use SSL encryption, and the port number is 465 or 587. How to set up Alibaba Cloud Mail on iPhone? Take iPhone6 (the system version is ios8) as an example, set up the client software that comes with the Apple system (pop/imap method) and click the "Settings" icon of the system to add an account.

The principle of sending and receiving emails

1. The working principle of the email system is shown in the figure: It can be seen from the above figure that the process of sending and receiving emails is mainly divided into 3 steps.

2. The working principle of SMTP protocol is: First, the mail sender sends the mail to the mail server through the SMTP protocol;Then, the mail server forwards the message to the recipient's mail server; finally, the recipient obtains the mail from the mail server through the POP3 or IMAP protocol.

3. The working principle of email is based on the client-server model. E-mail is an electronic method of transmitting information between different computers through the Internet or the internal network. It packages text, attachments and other media content into electronic form and sends and receives them through the email server.

4. The sender sends the edited email to the post office server (SMTP server) through the mail client program. The post office server identifies the recipient's address and sends a message to the mail server (POP3 server) that manages the address.

5. In most other network applications, the network protocol is directly responsible for sending data to the destination. In the email system, the sender does not wait for the sending work to be completed, but only sends out the content to be sent.

How to set up iPhone mail How to set up 163 mail sender server

Open iPhone to enter the system After that, select the mailbox application in the mobile phone to enter. Enter the main mailbox interface, and you can see the mailbox provided in the list. Click the mailbox you want to add, for example, click the 163 mailbox to enter. After clicking Enter, enter your email account and password on the page, and then click Next in the upper right corner.

Operation mobile phone: iphone12 operating system: IOS12 iPhone setting 163 mailbox The specific operation is as follows: find the mail icon on your mobile phone and click to enter the main interface. Click 163 mailbox on the email page.

IMAP host name: IMAP (Internet Mail Access Protocol) is a protocol used to receive mail from the mail server. For 163 mailboxes, the host name of IMAP is usually "imap.16com".

The sending and receiving system of windows is