0x8004210a – Outlook Error Sending or Receiving Emails

The Operation Timed Out Message – while waiting for a response from the Receiving Server (POP)

0x8004210a – Outlook Error occurs while Sending or Receiving Emails in Outlook or Outlook Express. If you encounter an Outlook send and receive an error, go to the following method.

How to Solve Error 0x8004210a?

To resolve this problem, use any of the following solutions. After you complete each method, send a test email to yourself to ensure that you can send or receive messages without receiving an error message.

Method 1: Make Sure the Internet Connection is Existing

To do so, follow these steps:

• Launch an Internet browser.
• Type one of the following address in the address bar, and then press Enter –
• http://www.msn.com
• http://www.microsoft.com
• If the Internet connectivity issue continues, see Troubleshoot network connectivity issues in Internet Explorer.

Method 2: Make Sure your Outlook Email Account Settings are Correct

If the above method does not fix the Outlook send and receive an error, you need to check your Outlook email settings. Incorrect Outlook email settings can cause Outlook to generate this error 0x8004210a.

• Open Outlook and click File
• Click Account Settings -> Account Settings
• In the Account Settings window, click Edit
• Now click on More Settings and select Outgoing Server
• Check the box next to – My outgoing server (SMTP) requires authentication
• Also, check the box next to Connect to the incoming server before sending Mail.
• Steps to Fix Outlook Send and Receive Error Using Internet Mail Settings Restart Outlook and see if you can send emails.

Method 3: Delete Suspicious Emails from your Mailbox

Suspicious emails may block receiving error messages in Outlook. If you have any suspicious emails, delete them using one of the following methods:

• Access your mailbox using your ISP’s webmail program. Then delete the emails.
• Outlook sends and receives errors can also occur due to some suspicious emails that fell into your inbox. Therefore, deleting these suspicious spam emails can help you fix Outlook sending and receiving errors preventing you from sending or receiving emails.
• Try the following resolution if this does not stop Outlook from generating the Send / Receive error 0x8004210a.
• Contact your ISP and ask to delete emails.

Method 4: Disable Windows Antivirus and Firewall Program

Windows Firewall and other third-party antivirus programs can affect the sending and receiving of emails in Outlook. It can cause Outlook to send and receive an error. Therefore, to fix this error 0x8004210a, consider disabling your firewall and antivirus program.

• Open Control Panel and click Network Connections.
• Right-click on the network connection you are connected to and click Properties.
• On the Security tab, turn off the firewall.
• Once the problem is resolved and the inbox is updated, enable Windows Firewall.

Method 5: Configure your Firewall Software to allow Outlook to access the Internet

Warning: This solution can make a computer or network vulnerable to malicious users or malicious software like viruses. We do not recommend this workaround, but we provide this information to implement this solution at your discretion. Use this workaround at your own risk.

• Configure your firewall software to allow the following files to access the Internet:
• .exe (for Outlook)
• .exe (for Outlook Express)
• By default, port 25 is for outbound access, and port 110 is for inbound access. If you are unsure of the ports, contact your ISP or system administrator.
• Check the information on Norton Personal Firewall (Symantec) and McAfee Personal Firewall.
• Go to the McAfee website to see instructions on configuring McAfee Personal Firewall.
• You can also remove and reinstall McAfee Personal Firewall. This reinstallation process will ensure that Outlook and Outlook Express have Internet access, as the process recreates the signature file for the program.
• If you are running Norton Internet Security, Norton Personal Firewall 2002, or Norton SystemWorks software from Symantec, contact Product Support for upgrade or reconfiguration instructions to resolve this issue.

Method 6: Repair your Outlook or Outlook Express

Repair your Outlook Express, or Outlook can fix the problem 0x8004210a

How to repair Outlook and Outlook Express?

Note: If Outlook Express is missing from your computer or your Outlook Express installation corrupts, Outlook 2000 will not function properly and may generate one of the error messages mentioned in the “More Information” section.

Also Read: [pii_email_49421343b3768b8616fb] Error – How to Resolve?

Method 7: Make Sure your Email Profile is Working Correctly (Outlook only)

To test if your email profile is working correctly, try creating a new email profile. If you can send and receive emails using the newly created email profile, you must set the new Outlook profile as the default profile.

Step 1: Find your default Outlook data file

• In Control Panel, click Mail.
• In the Email Settings – Outlook dialog box, click Show Profiles.
• Select your current Outlook profile, then click Properties.
• In the Email Settings – click Data Files under Outlook dialog box
• Select the Data Files tab under the Account Settings dialog box, and then note the name and location of the data file for your profile (A checkmark will indicate the default data file.)
• Click on Close

Step 2: Create a New Outlook Profile

As you know the name and location of your profile’s default data file, create a new Outlook profile using one of the following methods.

Method A: Use automatic account setup to create an IMAP or POP3 email account

• By default, automatic account setup will create an IMAP account if your mail server supports IMAP and POP3. However, if your mail server only supports POP3, automatic account setup will create a POP3 account. To create a POP3 account, you will need to follow the manual steps.
• Open Control Panel, then click Mail.
• In the Email Settings – Outlook dialog box, click Show Profiles.
  1. Click Add on the General of the Mail dialog.
  2. In the New Profile dialog box, enter a new profile name, then click OK.
  3. In the Add New Account dialog box, enter your email account information, and then click Next.
  4. Once your account is set up correctly, click Finish

Method B: Create an IMAP or POP3 email account Manually

• Open Control Panel, then click Mail.
• In the Email Settings – Outlook dialog box, click Show Profiles.
• Click Add on the General of the Mail dialog box
• The New Profile dialog box gives a new profile name, then click on ‘OK.’
• Select Manually configure server settings or additional server types in the Add New Account dialog box – and click Next.
• In the Choose a Service dialog box, select Internet Mail and then click Next.
• In the Internet Mail Settings dialog box, enter account details.
• Click Test Account Settings

Method 8: Run the Inbox Repair Tool to repair your .pst file (Outlook only)

• A .pst file is a personal folder that stores your emails, contacts, notes, calendar items, and other data. If the .pst file corrupts, you might not send or receive email messages in Outlook.
• To resolve this problem, repair your Outlook Personal Folders (.pst) file.

Method 9: Clean up Emails Stuck in your Outbox (Outlook only)

• Click your Outbox, then check for emails blocked in the Outbox
• Click the Send & Receive tab, and click Work Offline
• Note this prevents Outlook from trying to send all email messages.
• Select the Outbox. You can now do one of the following:
• Move message: move the message to the Drafts folder. You can drag the message to the Drafts folder or right-click the message, select Move, select Other Folder, and select the Drafts folder from the list.
• Note this allows you to open the significant email and delete, resize, and re-add the attachments before forwarding the email again.
• Delete the message: Right-click the message, then select Delete.
• Necessary If you receive the “Outlook forwards message” message, close Outlook and wait for it to close. Restart Outlook again. And also need to use Windows Task Manager to make sure that the Outlook.exe process is complete.
• Click the Send / Receive tab, then click Work Offline to deselect it.

Conclusion:

Outlook sending and receiving errors fix using the methods mentioned above. It is not very common for PST corruption to result in Outlook error 0x8004210a. However, if you don’t fix the problem with manual methods, it is recommended to use Remo Repair PST.

Related Article: [pii_email_95fb429ddab3b9357c9f]- How to Fix This Outlook Error?

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