This site will have limited functionality while we undergo maintenance to improve your experience. If an article doesn't solve your issue and you want to ask a question, we have our support community waiting to help you at @FirefoxSupport on Twitter and/r/firefox on Reddit.

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

My IMAP server changed dns names. Server name updated and looks right, but Thunderbird is still trying to use the old server.

  • 2 replies
  • 1 has this problem
  • 2 views
  • Last reply by KevinC

more options

My IMAP server has changed from mail.abc.mysever.com to mail.def.myserver.com. It has simply moved to a different subnet.

As expected, I updated the server name to mail.def.myserver.com under the account server settings and restarted Thunderbird.

When I try an open the mail folder, I'm getting "Could not connect to mail.abc.myserver.com".

Is there a connection cache somewhere that needs to be deleted?

My IMAP server has changed from mail.abc.mysever.com to mail.def.myserver.com. It has simply moved to a different subnet. As expected, I updated the server name to mail.def.myserver.com under the account server settings and restarted Thunderbird. When I try an open the mail folder, I'm getting "Could not connect to mail.abc.myserver.com". Is there a connection cache somewhere that needs to be deleted?

Chosen solution

Something appears to have timed out. After 30 minutes or so I was prompted for the password and all is well.

Read this answer in context 👍 0

All Replies (2)

more options

ps. Tried removing the saved account information under the security panel too - no change

more options

Chosen Solution

Something appears to have timed out. After 30 minutes or so I was prompted for the password and all is well.