The POP3 protocol allows an email client to download emails from the server, but actions performed in the client (such as moving emails, marking them as read, etc.) are not reflected on the server. For example, if you use a client to retrieve 2 emails from your mailbox and move them to another folder, those emails on the server will not be moved simultaneously.

IMAP provides two-way communication between Webmail and an email client. Actions performed in the client are reflected on the server, and any operations on emails will be mirrored on the server's copy.

This means that when you log in to your mailbox using a web browser, the actions you perform in your email client and on your mobile device (e.g., moving an email to the "Share" folder) will be immediately and automatically reflected in your mailbox (e.g., the next time you log in, that email will have a "Share" label).

• 1) After opening Outlook Express, click the "Tools" menu in the window and select "Accounts."
• 2) Click the "Mail" tab, then click the "Add" button on the right and select "Mail" from the pop-up menu.
• 3) In the dialog box that appears, follow the prompts to enter your "Display name," then click "Next."
• 4) Enter your email address and click "Next."
• 5) Enter your mailbox's POP and SMTP server addresses (ask your email administrator if you don't know them):
• pop: pop.***.com
• smtp: smtp.***.com
• Then click "Next."
• 6) Enter your account name and password (this is the account you use to log in to this mailbox), then click "Next."
• 7) Click the "Finish" button to save your settings.
• 8) Set up SMTP server authentication: In the "Mail" tab, double-click the account you just added to open its properties box.
• 9) Click the "Servers" tab, then check the "My server requires authentication" option under "Outgoing Mail Server." Click the "Settings" button on the right and select "Use same settings as my incoming mail server."
• 10) Click "OK," then "Close" the accounts box.
• You have now successfully configured your account. Click the "Send/Recv" button in the main window to send and receive emails.

• 1) Open Foxmail, go to [Tools] -> [Account Management] -> [New]. In the pop-up window, enter your [full email address] in the Email address field.
• 2) Click [Next]. The system will automatically check your corporate email's POP3 server. A new window will appear shortly. Please select the mailbox type: [IMAP] or [POP3]. In the password prompt, enter your correct corporate email password.
• 3) Click the [Next] button. Enter the incoming mail server address. If you chose "IMAP," the incoming server is "imap.***.com." If you chose "POP3," the incoming server is "pop.***.com." The outgoing server is always "smtp.***.com" (you can ask your corporate email administrator for the server addresses).
• 4) Click [Next] to complete the account setup. If you want to use an SSL secure connection to send and receive emails, please check [Use SSL to connect to server] for both incoming and outgoing servers, and confirm that the incoming server port is 993 and the outgoing mail server port is 465.

• 1) After opening Outlook, click the "Tools" menu in the window and select "Account Settings."
• 2) In the dialog box, select "POP or IMAP" and click Next.
• 3) In the account settings dialog box, configure the following:
• Your Name: An identifier for the account, used to distinguish between multiple accounts set up in Office.
• Email Address: e.g., you@XXX.com
• User Name: The corresponding mailbox username, e.g., you.
• Password: The password for logging into the mailbox.
• Select "Manual setup or additional server types (M)" and click "Next."
• 4) Under "Server Information," if you select "IMAP," the incoming mail server is "imap.***.com." If you select "POP3," the incoming mail server is "pop.***.com." The outgoing mail server is always "smtp.***.com" (you can ask your corporate email administrator for the server addresses).
• In the "Logon Information" section, enter your email address in the "User Name" field.
• 5) Click "More Settings" -> "Outgoing Server," then select "My outgoing server (SMTP) requires authentication" and "Use same settings as my incoming mail server."
• 6) Click [OK], return to the previous page, and click [Next] to complete the setup. If your email sending and receiving requires SSL encryption, please connect using SSL and select the following encryption type for the outgoing server: SSL.
• 7) Click [OK], return to the previous page, and click [Next] to complete the setup.

• You can install the Coremail Lunkr Corporate Address Book plugin, a powerful tool for synchronizing the corporate address book with popular clients. By installing this plugin, Coremail Lunkr corporate email users can import the complete organizational structure of the corporate address book into their client, synchronize their calendars, accept and send meeting invitations, and share their calendars with others. This makes communication among company employees more convenient and efficient.
• You can download the latest version of the plugin from the Coremail official website -> "Services & Support" -> "Software Downloads."

Please check your firewall settings. This includes both the operating system's built-in firewall and any professional firewall software you may have installed. Make sure that ports 25 and 110 are open.

You can use the following methods to check if you can connect to the mail server's ports 25 and 110:

# telnet mailserverip 25

// If there are no firewall restrictions, it will return "220" and wait for the user's next command.

# telnet mailserverip 110

// If there are no firewall restrictions, it will return "+OK " and wait for the user's next command.

If there are restrictions, for the built-in firewall on a Linux operating system, you can use the following method to disable it:

# setup

Select "Firewall configuration"

Select "Disable" next to the security level

Then select "OK" - "Exit."

For firewalls purchased and installed by the user, please consult the respective administrator.

• 1) The client software is not configured correctly. Please check and confirm the server address and user password to troubleshoot.
• 2) Network failure or firewall issue. You can troubleshoot by telnetting to port 110 of the mail server from your local machine.
• 3) Other reasons. If all the above checks show no issues, please contact our customer service staff.