The most common cause of Thunderbird not receiving mail is due to antivirus. It can sometimes interfere with the functioning of some applications. In order to fix Mozilla Thunderbird not receiving emails you have to make sure it is not blocked by your antivirus of firewall settings. Let’s have a look at some other fixes.
How to receive emails?
· Open the Thunderbird application and go to the menu.
· Visit account settings.
· Select your account and click on outgoing server.
· Check the server settings for your mail address.
· Disable the antivirus and firewall.
· Refresh your mail.