https://support.mozilla.org/en-US/kb/cannot-receive-messages

I tried everything you suggested but still can't receive emails through TB.

To diagnose problems with Thunderbird, try the following: *Restart Thunderbird with add-ons disabled (Thunderbird Safe Mode). On the Help menu, click on "Restart with Add-ons Disabled". If Thunderbird works like normal, there is an Add-on or Theme interfering with normal operations. You will need to re-enable add-ons one at a time until you locate the offender. *Restart the operating system in '''[http://en.wikipedia.org/wiki/Safe_mode safe mode with Networking]'''. This loads only the very basics needed to start your computer while enabling an Internet connection. Click on your operating system for instructions on how to start in safe mode: [http://windows.microsoft.com/en-us/windows-8/windows-startup-settings-safe-mode Windows 8], [http://windows.microsoft.com/en-us/windows/start-computer-safe-mode#start-computer-safe-mode=windows-7 Windows 7], [http://windows.microsoft.com/en-us/windows/start-computer-safe-mode#start-computer-safe-mode=windows-vista Windows Vista], [http://www.microsoft.com/resources/documentation/windows/xp/all/proddocs/en-us/boot_failsafe.mspx?mfr=true" Windows XP], [http://support.apple.com/kb/ht1564 OSX] ; If safe mode for the operating system fixes the issue, there's other software in your computer that's causing problems. Possibilities include but not limited to: AV scanning, virus/malware, background downloads such as program updates. Please add the troubleshooting information to your post To find the Troubleshooting information: * Open Help (or click on three-line-icon and select Help) * Choose Troubleshooting Information * Use the button Copy to clipboard to select all. Do not check box "Include account names"! * Paste this in your post. Please also add the result of these troubleshooting steps to your post *Does Thunderbird work in TB Safe mode (see [http://mzl.la/1k5DWjq Thunderbird Safe Mode])? *Do you use anti-virus and firewall software? What is the version? *Who is the email provider? *Who is the internet provider? *What is the exact error message? *What steps did you take right before this happened? Please post back with this information and any other questions you might have.

''rvklauer [[#answer-752264|said]]'' <blockquote> I tried everything you suggested but still can't receive emails through TB. </blockquote> Same here