收件服务器用户名应该填写什么呢英文，What Should You Fill in as the Username for the Incoming Mail Server?

The username for the incoming mail server should be the email address without the "@domain.com" part, simply the part before the "@" symbol. For example, if your email is "john.doe@example.com," you would fill in "john.doe" as the username.

When it comes to setting up an email account, one of the most crucial aspects is to correctly fill in the username for the incoming mail server. The username plays a vital role in ensuring that your email is delivered to the correct account and that you can access your emails without any issues. In this article, we will delve into the details of what you should fill in as the username for the incoming mail server and why it is important.

1、Understanding the Incoming Mail Server

Before we discuss the username, let's first understand what an incoming mail server is. An incoming mail server, also known as a POP3 (Post Office Protocol 3) or IMAP (Internet Message Access Protocol) server, is responsible for receiving and storing emails on your email account. When you send an email, it is delivered to the outgoing mail server, but when someone sends you an email, it is received by the incoming mail server.

2、The Importance of the Username

The username is the identifier that distinguishes your email account from others on the incoming mail server. It is the first piece of information the server requires to locate your email account and deliver the incoming emails to it. Filling in the correct username is crucial for the following reasons:

a. Proper Delivery of Emails: By providing the correct username, the incoming mail server can accurately identify your email account and ensure that your emails are delivered to the right place. If the username is incorrect, the server may misplace the emails, resulting in them being lost or delayed.

b. Access to Emails: The username is essential for accessing your emails through various email clients, such as Outlook, Thunderbird, or Apple Mail. By entering the correct username, you can retrieve your emails without any issues. If the username is incorrect, you may not be able to log in to your email account, causing inconvenience and potential loss of important messages.

c. Security: A unique username adds an extra layer of security to your email account. If someone else knows your username, they can attempt to gain unauthorized access to your emails. Therefore, it is crucial to choose a username that is not easily guessable or commonly used.

3、What to Fill in as the Username

Now that we understand the importance of the username, let's discuss what you should fill in as the username for the incoming mail server:

a. Full Email Address: The most common and straightforward approach is to use your full email address as the username. For example, if your email address is john.doe@example.com, you would enter "john.doe@example.com" as the username. This ensures that the incoming mail server can easily identify your email account and deliver emails to it.

b. User ID: Some email providers allow you to use a user ID instead of the full email address. A user ID is typically a shorter version of your email address, such as "johndoe" or "john.doe". However, it is essential to verify with your email provider whether this option is available and if they support user IDs for incoming mail server connections.

c. Custom Username: In some cases, you may have the option to create a custom username. This can be useful if you want to use a shorter or more memorable name for your email account. However, it is crucial to ensure that the custom username is unique and does not conflict with any other email accounts on the incoming mail server.

4、Tips for Choosing a Username

Here are some tips to help you choose the right username for the incoming mail server:

a. Keep it Simple: Choose a username that is easy to remember and type. Avoid using complex or lengthy combinations of letters, numbers, and symbols.

b. Use Your Real Name: If possible, use your real name or a variation of it as the username. This makes it easier for you to remember and for others to identify your email account.

c. Avoid Special Characters: While some email providers may allow special characters in usernames, it is best to avoid them, as they can cause issues with email clients and may not be supported by all incoming mail servers.

d. Be Unique: Choose a username that is not easily guessable or commonly used. This helps protect your email account from unauthorized access.

In conclusion, the username you fill in for the incoming mail server is crucial for ensuring the proper delivery, access, and security of your emails. By using your full email address or a user ID provided by your email provider, you can create a unique and secure identifier for your email account. Always keep these tips in mind when choosing a username to avoid any potential issues with your email account.