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TB does not download messages read on another device

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new2tbird
 
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Joined: November 19th, 2007, 11:49 pm

Post Posted March 13th, 2019, 11:33 am

Thunderbird will not download messages that have been read on a smartphone or other computer. They are "new" to this computer however Thunderbird does not download the messages from the Gmail server.

This is the case with a newer account. It does download from the account that I have had since 2011.

Specifically, I want Thunderbird to download all messages in the Inbox from the server that are not in the Inbox on this PC.

The mode is POP.

Thank you.

DanRaisch
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Joined: September 23rd, 2004, 8:57 pm
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Post Posted March 13th, 2019, 11:36 am

Are those other devices set to leave the messages on the server after they are accessed? Try sending yourself a message then accessing them on the other computer. Then access the account on the web mail page to see if they are on the server to be downloaded by Thunderbird.

new2tbird
 
Posts: 67
Joined: November 19th, 2007, 11:49 pm

Post Posted March 15th, 2019, 10:19 pm

Everything leaves messages on the server. If necessary, I'll go in and manually delete messages from the server if they become a space issue. So far, this has not been a problem.

I'm thinking Google is doing something that causes Thunderbird an issue. What is the technique TB uses to determine if a message is "New" or not. Several months ago, it was necessary to download messages in batches of 250-275 messages. Prior to this limitation TB would download all messages new to the particular computer downloading.

new2tbird
 
Posts: 67
Joined: November 19th, 2007, 11:49 pm

Post Posted March 15th, 2019, 10:42 pm

Performed the following to confirm the issue --
Create a message on smartphone to myself.
Read message on smart phone.
Use browser to view message on google server. Message is not bold indicating it has been read.
Start Thunderbird. Get Messages.
Message is NOT downloaded.
Exit Thunderbird
Go back to message using browser.
Mark message as NOT Read
Message is BOLD in inbox on server
Start Thunderbird. Get messages. "No new messages"
The message is still on the google server

The question - what characteristics are associated with the message as it resides on the server that Thunderbird can detect if the message has been read previously. This seems to be what is preventing it from being downloaded.

If I don't get an answer here, I will enter this as a Thunderbird bug.

DanRaisch
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Joined: September 23rd, 2004, 8:57 pm
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Post Posted March 16th, 2019, 4:15 pm

If I don't get an answer here, I will enter this as a Thunderbird bug.

Just to make sure things are clear, we are not Mozilla. This forum is not run by or formally associated with Mozilla. We're an independent user-helping-user community.

I can not recreate your results. I shut down Thunderbird and then composed a new message in Gmail (using a browser) and sent it to my ISP email account. Before opening Thunderbird I read the message on my phone (ISP's app) and on the web mail page of the ISP (using a browser.) I then launched Thunderbird and found that message as a new, unread message in the Inbox of my ISP account, sent from my Gmail account. It was marked as unread in Thunderbird because, as a POP type account, Thunderbird doesn't know anything about the read/unread status of the message on the server, it's just a new, unread message in the Inbox of my ISP account in TB.

A file in the Thunderbird profile (popstate.dat) keeps track of which messages have been downloaded previously and should download a "new" message whether or not it has been read on the server or other device. You could use a browser and try moving all messages in the server inbox folder to another server folder. Then, with Thunderbird closed, rename the file popstate.dat to popstatedat.old. Launch Thunderbird and see if the issue appears with the first new messages received after this procedure is completed.

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