Recent message started two weeks ago on all devices "IMap is NOT a IMAP4 mail server" which is not allowing my company to use Thunderbird for our business mail
We use Thunderbird for all of our devices for our business. About two weeks ago we all started receiving messages that Thunderbird is "Not a IMAP4 mail server" and can not receive any emails or send any emails. Nothing has changed none of the settings or servers has changed.
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What is the exact error message?
Can you post your Troubleshooting Information? Help (Alt-H) - Troubleshooting Information
The message is "Mail server [email protected] is not a IMap4 mail server"
This started just a few weeks back and all the devices we use including the ones I have at home is not allowing us to receive or send. This is why I think it is a Thunderbird issue.
I think you best copy to clipboard and paste the troubleshooting information Christi ask you for. At least the accounts part of it anyway although the add-ons and crashes can also be helpful.
The fact that the message is referring to an email address as a server indicates that it may well be a setup issue.