Troubleshooting POP issues with Outlook 2010

Learn how to troubleshoot POP and SMTP issues in Outlook 2010, such as:

• Messages do not download.
• Messages won't send from the email client.
• Receiving an error while sending or downloading messages.

To troubleshoot problems with POP and SMTP issues in Outlook 2010:

Step 1: Ensure that POP access is activated

1. Sign in to your Yahoo! Mail account on a Web browser.
2. Select Options | Mail Options.
3. Select POP & Forwarding on the left panel.
4. Select the Access Yahoo! Mail via POP radio button. (In Mail Classic, the radio button says Allow your Yahoo! Mail to be POPed.)
5. Click Save. (In Mail Classic, click Save Changes.)

Step 2: Check the account settings in Outlook 2010:

1. Select the File tab and select Info from the left column.
2. Click Account Settings and select Add and remove accounts or change existing from the menu.
3. Select the Email tab, select the Yahoo! Mail account, and click Change. 
4. Verify that you have these settings:
   • Email Address: Your full email address (email@domain.com)
   • Account Type: POP3
   • Incoming mail server: pop.mail.yahoo.com
   • Outgoing mail server (SMTP): smtp.mail.yahoo.com
   • User Name:Your Yahoo! ID (Your address without the "@yahoo.com" or your full address if you have a "ymail.com" or "rocketmail.com" domain.)
   • Password: Your Yahoo! account password
5. Uncheck the checkbox for Require logon using Secure Password Authentication(SPA.
6. Click More Settings, then select the Outgoing Server tab.
7. Check the checkboxes for both My outgoing server (SMTP) requires authentication and Use the same settings as my incoming mail server.
8. Select the Advanced tab.
9. Set the Incoming server (POP3) field to: 995.
   
   • Check the checkbox for This server requires an encrypted connection (SSL).
10. Set the Outgoing server (SMTP) field to: 465.
    • Select SSL from the Use the following type of encrypted connection menu.
    • Alternatively, you can enable TLS and type 587.
    • It is necessary to enable SSL or TLS for Outgoing SMTP server.
11. Click OK | Next | Finish.

Step 3: Examine the configuration of your security software:

Sometimes, a piece of software security (anti-virus, firewall, or anti-spy) on your PC, a piece of networking equipment (router, bridge, or firewall), or your Internet service provider (ISP) may be blocking access to the Yahoo! Mail POP and/or SMTP servers. To address this:

1. Disable security software: Try temporarily disabling any security software (such as anti-virus, firewall, or anti-spy) you have installed, as some software security products will actually block the Yahoo! POP or SMTP server or ports.
   - If you are unfamiliar with how to do this, please consult with the software vendor's online help or contact their support services directly.
2. Check your network equipment: If you have any network equipment (such as a router, bridge, or hardware firewall), check to see if it is blocking the Yahoo! POP and SMTP servers or ports.
   - If you are unfamiliar with how to do this, please consult the product documentation or the manufacturer's support services directly.
3. Contact your ISP: Ask your ISP if the modem (if provided by your ISP) or software you are using has a firewall feature. It is also possible that the ISP has certain ports blocked on their end.
4. Note: Any failure to connect to the Yahoo! POP or SMTP server normally indicates a network issue.
   - Check with your Network Administrator for assistance if this applies.

Some ISPs (Internet Service Providers) do not permit message routing through another SMTP (Simple Mail Transfer Protocol)server while you are connected to their network. To resolve this problem, use the SMTP server your ISP provides.

• To get this SMTP server information, you may need to contact your ISP.