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Cannot set up my email accounts, keep saying "username or password" is not correct, please help!!!!!!!!

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  • 최종 답변자: Matt

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I have been using THUNDERBIRD for more than 10 years and never had this problem! I have installed on many different desktops, laptops and macs, and had no problem. And this time when I tried to set up email accounts on this new computer, it just keeps saying "username or password is wrong"...I have 5 email business emails account (with the same domain), hosted by Network Solutions, all are working fine on my laptop and other computers. I copied word to word, number to number of the same settings, nothing is not correct. It just keeps saying wrong username and password. I have no idea where the problem is!! I never had this problem, I tried uninstall, reinstall, didn't help.

I can install and set up my accounts on MAILBIRD, and it's working. So there is nothing wrong with the servers...should be Thunderbird hidden settings or something. I dont' know.

Can some expert help please? I'm living on Thunderbird...I have been using it for more than 10 years and I'm addicted to it....please help!!!!

Thanks in advance!!!

I have been using THUNDERBIRD for more than 10 years and never had this problem! I have installed on many different desktops, laptops and macs, and had no problem. And this time when I tried to set up email accounts on this new computer, it just keeps saying "username or password is wrong"...I have 5 email business emails account (with the same domain), hosted by Network Solutions, all are working fine on my laptop and other computers. I copied word to word, number to number of the same settings, nothing is not correct. It just keeps saying wrong username and password. I have no idea where the problem is!! I never had this problem, I tried uninstall, reinstall, didn't help. I can install and set up my accounts on MAILBIRD, and it's working. So there is nothing wrong with the servers...should be Thunderbird hidden settings or something. I dont' know. Can some expert help please? I'm living on Thunderbird...I have been using it for more than 10 years and I'm addicted to it....please help!!!! Thanks in advance!!!

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I interesting note:

MAILBIRD uses port 993 for incoming mail but THUNDERBIRD uses port 143

When uses 143, it kept " checking capabilities...." then I changed to port 993 (like in MAILBIRD), it said "connected to.....mail," but then "timed out"

Any idea please???? help....extremely frustrated...

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Thanks for trying....but I million checked and retyped my username/password still not doing anything. I tried OUTLOOK, it worked...so now what's the problem???

Does that mean I have to abandon this Thunderbird from now on??

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try disabling your anti virus while you configure your account. Many anti virus program mess up the process.

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I am having the same problem and disabling my anti-virus software did not help.

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@Fbxmaid. I assume your question is being dealt with here https://support.mozilla.org/en-US/questions/1036813