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Server mail.server.com has disconnected. The server may have gone down...

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  • Last reply by jeffrey16

jeffrey16
jeffrey16
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A few weeks ago I started noticing the following error notification every time Thunderbird checks for email or I send an email:

"Server mail.server.com has disconnected. The server may have gone down or there might be a network problem."

The "mail.server.com" in question is my OLD mail server. I migrated to a different one a year ago. It's now defunct. I went through my settings and all incoming servers are set to the new server, as are all my SMTP server settings. I can't find anywhere in my settings that could be hanging on to the old server hostname.

And my mail seems to work. I can send mail, receive mail, or at least I'm unaware if I'm not receiving any. Spam certainly gets through. And these notifications only started up very recently. The mail server changes were made a year ago.

Any idea what's going on? I'm currently running Thunderbird 78.8.1 (64-bit) on a Ubuntu 20.04.1 LTS system.

Thank you.

A few weeks ago I started noticing the following error notification every time Thunderbird checks for email or I send an email: "Server mail.server.com has disconnected. The server may have gone down or there might be a network problem." The "mail.server.com" in question is my OLD mail server. I migrated to a different one a year ago. It's now defunct. I went through my settings and all incoming servers are set to the new server, as are all my SMTP server settings. I can't find anywhere in my settings that could be hanging on to the old server hostname. And my mail seems to work. I can send mail, receive mail, or at least I'm unaware if I'm not receiving any. Spam certainly gets through. And these notifications only started up very recently. The mail server changes were made a year ago. Any idea what's going on? I'm currently running Thunderbird 78.8.1 (64-bit) on a Ubuntu 20.04.1 LTS system. Thank you.

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jeffrey16
jeffrey16 Question owner
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I should have mentioned that there is some very old (2012, 2014) traffic on the forums that sounds identical and they only thing I could see to try out of that was to purge my cache which I did. It sounded like updates ended up resolving most people's problems.

Also some people complained about some sent mail never ending up in the Sent folder. I have noticed a number of times recently that sometimes I can't find a sent email which I'm sure I never deleted. But it's sporadic.