Thunderbird can only download what is received on the server.

My first question is: does email arrive on server ? You would need to logon to your webmail account via a browser. Then ask some one from the 'church' to send an email and see if it arrives in the webmail account.

My next question is: how much quota do you have left on the server ? If server has used up the allowed quota then emails cannot be received into the account until you delete something to create space. Now if you have deleted the odd email maybe it was just enough space to receive an email, but not enough space to receive more. You may need to delete a load old mail off the server to acquire more available quota. Please note, if you use an Imap account in Thunderbird, then anything you delete off server will also get deleted from the Imap account. So, if you have some old emails you want to keep you need to get copies before you delete anything off server. In Thunderbird

• Right click on those emails and select 'Copy to' and choose a suitable folder in 'Local Folders' account.
• Make sure you can open those copied emails after all, you do want a full downloaded copy and not just a copy of headers !

I have two Gmail email accounts. One is primary for more important emails. This is the address that is currently no longer getting emails as usual. When I ask sender to use secondary email address, they arrive with no problem. I need to remedy this as quickly as possible. Please help.

Can you please answer the questions I asked in previous comment.

Does email arrive on server ? Exit Thunderbird - you do not want it synchronising with server for this test. Logon to your gmail webmail account via a browser. Then ask some one from the 'church' to send an email .You can send the email to a church member via the webmail account. Do you get reply email - does it arrives in the webmail account?

If it's not arriving in webmail account then it cannot be downloaded into Thunderbird because it does not exist. If it's arriving in webmail account, but it's being put into the server 'Spam' folder, then a Pop mail account in Thunderbird will not be able to download it because Pop accounts only get access to download from Inbox.

So I need to know - Is the primary email address a Thunderbird Pop or IMAP account? Do you get email received in webmail account? Is it in the server Spam folder? How much quota do you have left on the server ?