If you find the message appearing, it means that there\u2019s an error with your Yahoo Mail account. You need to address it to make Yahoo SMTP server work.<\/span><\/li>\n<\/ul>\n\u00a0<\/span><\/p>\n<\/span>Check If Your IMAP\/POP Settings are Accurate<\/b><\/span><\/h3>\nIncorrect IMAP or POP settings will definitely make yo report of SMTP server Yahoo not working. So, ensure that these settings are correct. Refer to the following settings and match them against the ones you\u2019ve configured.<\/span><\/p>\n<\/span>IMAP settings<\/b><\/span><\/h4>\n\n- The server name is mail.yahoo.com.<\/span><\/li>\n
- 993 will be the port number.<\/span><\/li>\n
- SSL is needed.<\/span><\/li>\n<\/ul>\n
<\/p>\n
<\/span>POP settings<\/b><\/span><\/h4>\n\n- mail.yahoo.com is the server name.<\/span><\/li>\n
- The port number is 995.<\/span><\/li>\n
- SSL is required.<\/span><\/li>\n<\/ul>\n
In both cases, you’ll be required to enter your login information, which includes your email address and password, and if or not you need authentication. You must use the \u2018Yes<\/strong>\u2019 option besides the required authentication field.<\/span><\/p>\n <\/p>\n
<\/span>Check for Certain Conditions<\/b><\/span><\/h3>\nCertain scenarios inhibit the SMTP server from working. You can check for the following scenarios and see if they apply in your case.\u00a0<\/span><\/p>\n\n- Ensure that you don\u2019t use an obsolete or old IMAP or POP. IMAP or POP that\u2019s not updated will hinder you from exchanging emails in your Yahoo account.<\/span><\/li>\n
- If you commonly a third-party email app, you should make and use an app password.\u00a0<\/span><\/li>\n
- You can make it by going to \u2018<\/span>Account Security<\/b>\u2019 followed by \u2018<\/span>2-Step verification<\/b>.\u2019<\/span><\/li>\n
- If there\u2019s an additional email address that you have added to your Yahoo account, ensure that you have verified it. If it isn\u2019t verified, you\u2019ll likely face issues such as 553 error codes.\u00a0<\/span><\/li>\n<\/ul>\n
\u00a0<\/span><\/p>\n<\/span>Find If An Antivirus Program is Blocking the Ports\u00a0<\/b><\/span><\/h3>\nAnother instance where you\u2019ll find the SMTP server not working Yahoo is when your antivirus program obstructs the ports. Sometimes, network protocols or antivirus firewalls block the ports and cause Yahoo Mail settings not to work. So disable the antivirus for some time and see if the settings work fine.\u00a0<\/span><\/p>\nAlternatively, you can connect with your internet service provider to determine how to unblock the ports.\u00a0<\/span><\/p>\n\u00a0<\/span><\/p>\n<\/span>Set Up the Outbound Rule on Firewall<\/b><\/span><\/h3>\nWhen the firewall is obstructing the SMTP server, you\u2019ll be unable to send emails from the email client on which you\u2019ve configured Yahoo Mail. To fix it, you can set up an outbound rule.\u00a0<\/span><\/p>\n\n- Go to \u2018<\/span>Control Panel<\/b>.\u2019<\/span><\/li>\n
- Navigate to Windows Defender Firewall.\u00a0<\/span><\/li>\n
- Tap \u2018<\/span>Advanced Settings<\/b>.\u2019<\/span><\/li>\n
- Now, tap the \u2018<\/span>Outbound Rule<\/b>.\u2019<\/span><\/li>\n
- After that, tap the \u2018<\/span>New rule<\/b>.\u2019<\/span><\/li>\n
- Choose the \u2018<\/span>Port<\/b>\u2019 option.\u00a0<\/span><\/li>\n
- Input port number as 465 and tap \u2018<\/span>Next<\/b>.\u2019<\/span><\/li>\n
- Choose the \u2018<\/span>Allow the connection<\/b>\u2019 option and tap \u2018<\/span>Next<\/b>.\u2019<\/span><\/li>\n
- Choose \u2018<\/span>All options<\/b>\u2019 and tap \u2018<\/span>Next<\/b>.\u2019<\/span><\/li>\n
- Name the outbound rule and tap \u2018<\/span>Finish<\/b>.\u2019<\/span><\/li>\n<\/ul>\n
\u00a0<\/span><\/p>\n<\/span>Run Windows in the Safe Mode<\/b><\/span><\/h3>\nAre you using Yahoo Mail on Windows Mail app? If you find a Yahoo SMTP server problem, try running Windows in safe mode. Follow these points for doing it.<\/span><\/p>\n\n- Hold the Windows and R keys on your keyboard. The Run dialog box will open.<\/span><\/li>\n
- Input \u2018<\/span>msconfig<\/b>\u2019 on this box and press the \u2018<\/span>OK<\/b>\u2019 button.<\/span><\/li>\n
- After that, hit the \u2018<\/span>Boot<\/b>\u2019 tab.\u00a0<\/span><\/li>\n
- Now find and tap the checkbox of \u2018<\/span>Safe Boot<\/b>.\u2019 It is present in the \u2018<\/span>Boot Options<\/b>\u2019 menu.<\/span><\/li>\n<\/ol>\n
Most probably, you will find Yahoo Mail SMTP settings working properly.<\/span><\/p>\n\u00a0<\/span><\/p>\n<\/span>Update the Password<\/b><\/span><\/h3>\nHave you changed your Yahoo account\u2019s password recently? It’s possible you\u2019ve forgotten to update it on the email client you are using. If this is the case, there will be syncing errors with the Yahoo server. So, you should update your password by following these points. Let us suppose your email client is Outlook.<\/span><\/p>\n\n- Open Outlook application.<\/span><\/li>\n