Thunderbird won't check for new messages
Two nights ago I uninstalled ExpressVPN from my system at the instruction of one of their "support" people. My computer immediately lost the ability to access half of the websites I tried to visit and Thunderbird wouldn't send or receive email. I rebooted and that fixed every issue, but since then, Thunderbird no longer checks for new messages for any of my accounts. If I manually instruct it to check, it downloads the messages with no problem. I don't use any add-ons, and I'm using the latest version on a Windows 11 PC. I have already tried deleting global-messages-db.sqlite, repairing each mail folder from within Thunderbird, clearing the cache, and running an install of the latest version. I have also tried changing the setting for each mail folder to alter the interval for message checks by a minute just to see if that would jog it, but no luck. I've looked at various other help threads for this and am out of ideas. Thanks in advance for any help.
All Replies (4)
Have you checked in account settings that Thunderbird should be checking for new messages on startup? This is a per account setting in server settings.
Go to Connection settings These can be found in setting by searching connection and clicking the "settings" button. The default is no proxy I would also encourage you to enable DNS over HTTPS for your own security if it is not already enabled. That will mean DNS resolution will be undertaken with cloudflare by default
https://www.cloudflare.com/en-au/application-services/products/dns/
It will also mean hat your DNS requests are encrypted and not passed around in plain text but a more complete lay discussion of this is at Wikipedia https://en.wikipedia.org/wiki/DNS_over_HTTPS
Yes, that box is checked, and it seems to check for new messages on startup without any problem. However, it does not check for new incoming mail after startup, which makes the product useless to me.
I have now also completely uninstalled and reinstalled Thunderbird and the problem persists.
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