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Unable to connect to IMAP server, you may have exceeded the number of connections to this server (Yahoo)

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I recently began to get this message and I have no idea where it comes from. I have several accounts and i can't locate which one gives this message. What's wrong?

I recently began to get this message and I have no idea where it comes from. I have several accounts and i can't locate which one gives this message. What's wrong?

Modified by klappa

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Matt
  • Top 10 Contributor
  • Moderator
3294 solutions 22771 answers

Given the error message is for a server, are you saying you have multiple accounts with the one provider.

My guess is it would be for the mail account that is not updating with new mail.

Given the error message is for a server, are you saying you have multiple accounts with the one provider. My guess is it would be for the mail account that is not updating with new mail.
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Question owner

Matt said

Given the error message is for a server, are you saying you have multiple accounts with the one provider. My guess is it would be for the mail account that is not updating with new mail.

No every account updates.

''Matt [[#answer-1269630|said]]'' <blockquote> Given the error message is for a server, are you saying you have multiple accounts with the one provider. My guess is it would be for the mail account that is not updating with new mail. </blockquote> No every account updates.
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Ambroz 0 solutions 1 answers

I have started to getting this problem today with Yahoo Imap server. It started to keep asking for my certificate and refusing to connect.

I checked the server settings for Yahoo which are fine and haven't been changed for a long time anyway.

I have started to getting this problem today with Yahoo Imap server. It started to keep asking for my certificate and refusing to connect. I checked the server settings for Yahoo which are fine and haven't been changed for a long time anyway.
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Question owner

Yea i tried to uninstall TB then remove the folder with the profiles and reinstalled again but no it didn't fix the problem.

What's wrong really this message is saying nothing. I tried lower every account to 1 server connections to cache but it didn't abbreviate the problem.

Yea i tried to uninstall TB then remove the folder with the profiles and reinstalled again but no it didn't fix the problem. What's wrong really this message is saying nothing. I tried lower every account to 1 server connections to cache but it didn't abbreviate the problem.
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AgnesRM
  • Top 25 Contributor
23 solutions 184 answers

Hi klappa - if you also use Yahoo, like Ambroz, you may find this similar question has useful information. It might be that Yahoo has changed its requirements, and older settings no longer work. https://support.mozilla.org/en-US/questions/1272259 Note - this may not be a close match to the symptoms you are experiencing - just offered in case anything explored there seems worth trying for you. Toad-Hall's suggestions may help. This is the same issue, with helpful suggestions from a different forum https://helpforum.sky.com/t5/Email/Unable-to-connetc-to-IMAP-server-etc-on-Thunderbird/td-p/3099397

Then to trouble-shooting. The message you see about exceeding connections may be accurate - in which case see the earlier part of those discussions, regarding reducing the number of connections allowed in all of the devices you use to connect to your email server. Note that it might also be because you have multiple accounts connecting to the same email service simultaneously. However, it may be a message that is not accurately describing the real problem, in which case, reducing the allowed connections for each device won't work.

If you find out the solution please report back. Sometimes your experience can help others. Agnes

Hi klappa - if you also use Yahoo, like Ambroz, you may find this similar question has useful information. It might be that Yahoo has changed its requirements, and older settings no longer work. https://support.mozilla.org/en-US/questions/1272259 Note - this may not be a close match to the symptoms you are experiencing - just offered in case anything explored there seems worth trying for you. Toad-Hall's suggestions may help. This is the same issue, with helpful suggestions from a different forum https://helpforum.sky.com/t5/Email/Unable-to-connetc-to-IMAP-server-etc-on-Thunderbird/td-p/3099397 Then to trouble-shooting. The message you see about exceeding connections may be accurate - in which case see the earlier part of those discussions, regarding reducing the number of connections allowed in all of the devices you use to connect to your email server. Note that it might also be because you have multiple accounts connecting to the same email service simultaneously. However, it may be a message that is not accurately describing the real problem, in which case, reducing the allowed connections for each device won't work. If you find out the solution please report back. Sometimes your experience can help others. Agnes
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Question owner

Thanks but that didn't work and yes it's Yahoo. I have no idea what they've changed. Yahoo doesn't work with Thunderbird anymore without throwing that IMAP error message at me and lowering maximum number of server connections to cache doesn't work either. I've tried everything!

Thanks but that didn't work and yes it's Yahoo. I have no idea what they've changed. Yahoo doesn't work with Thunderbird anymore without throwing that IMAP error message at me and lowering maximum number of server connections to cache doesn't work either. I've tried everything!
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Matt
  • Top 10 Contributor
  • Moderator
3294 solutions 22771 answers

Are you using oAuth authentication on your yahoo IMAP accounts? It is almost mandatory with them.

Are you using oAuth authentication on your yahoo IMAP accounts? It is almost mandatory with them.
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Question owner

Matt said

Are you using oAuth authentication on your yahoo IMAP accounts? It is almost mandatory with them.

Of course. That's the first thing i checked but if it wasn't it would throw me a authentication error instead which it doesn't.

''Matt [[#answer-1273795|said]]'' <blockquote> Are you using oAuth authentication on your yahoo IMAP accounts? It is almost mandatory with them. </blockquote> Of course. That's the first thing i checked but if it wasn't it would throw me a authentication error instead which it doesn't.
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