unable to connect to server, authentication failed
I'm using Thunderbird already for a long time. Shortly after Google introduced the two step authentication I ran into problems with my gmail account in Thunderbird. (Not able to connect to server, authentication failed) I tried to fix by applying all tips that I could find, removed Avast securuty, reinstalled Thunderbird, checked for updates, checked Oauth 2.0 settings etc. Finally I have chosed another mail client for the gmail account that was causing problems and continued to use Thunderbird for the remaining accounts. Among these accounts is also my wife's gmail account. Now I'm faced with the same problem on that gmail account. Now I even tried to remove the profiles folder, de-installed Thunderbird, rebooted, downloaded and installed the latest version of Thunderbird. Then I tried to create an account for the gmail with no success. There are two different error messages (authentication failed or wrong password). Are there still things I can do to solve this problem?
All Replies (4)
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There are two different error messages (authentication failed or wrong password).
With OAuth2 authentication you'll have to use the main account password, not an app password.
Modified by christ1
Toepassingsbasics
Naam: Thunderbird Versie: 102.8.0 Build-ID: 20230214184313 Distributie-ID: Updatekanaal: release Useragent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:102.0) Gecko/20100101 Thunderbird/102.8.0 OS: Windows_NT 10.0 19045 OS-thema:
Launcher-proces: Ingeschakeld
Multiprocess-vensters: 0/0
Fission Windows: 0/0
Standaard ingeschakeld
Externe processen: 2
Bedrijfsbeleidsregels: Inactief
Google-locatieservicesleutel: Ontbreekt
Google Safe Browsing-sleutel: Ontbreekt
Mozilla-locatieservicesleutel: Ontbreekt
Veilige modus: true
Geheugengrootte (RAM): 7,9 GB
Beschikbare schijfruimte: 21,1 GB
E-mail- en nieuwsaccounts
account1:
INCOMING: account1, , (pop3) pop.caiway.nl:995, SSL, passwordCleartext
OUTGOING: , smtp.caiway.nl:465, SSL, passwordCleartext, true
account2:
INCOMING: account2, , (none) Local Folders, 0, passwordCleartext
account3:
INCOMING: account3, , (imap) imap.gmail.com:993, SSL, OAuth2
OUTGOING: , smtp.gmail.com:465, SSL, OAuth2, true
Bibliotheken
Bibliotheek
Status
Verwachte minimale versie
Gebruikte versie
Pad
RNP (OpenPGP)
OK
0.16.2
0.16.2+git20220922.298ad98b.MZLA
C:\Program Files\Mozilla Thunderbird\rnp.dll
Pop-upwaarschuwingen ondersteund:
Waarschuwingen bij uitnodiging ondersteund:
Max. waarschuwingen per gebeurtenis:
Bijlage ondersteund:
Max. categorieën:
Privacystatus ondersteund:
Prioriteit ondersteund: true
Gebeurtenis ondersteund:
Taak ondersteund:
Lokale tijd ondersteund:
UTC/GMT ondersteund:
Automatische planning ondersteund:
Crashrapporten van de afgelopen 3 dagen
Externe processen
Type: Aantal
Webinhoud: 1 / 8
Geïsoleerde webinhoud: 1
Add-ons
Naam
Type
Versie
Ingeschakeld
ID
Bing
extension
1.0
true
bing@search.mozilla.org
bol.com extension 1.0 true bolcom@search.mozilla.org
DuckDuckGo
extension
1.0
true
ddg@search.mozilla.org
Google
extension
1.0
true
google@search.mozilla.org
Marktplaats.nl extension 1.0 true marktplaats@search.mozilla.org
Wikipedia (nl)
extension
1.0
true
wikipedia@search.mozilla.org
British English Dictionary (Darmeth)
dictionary
3.0.6
false
{d187b435-812e-4813-a93e-edccc4118f9d}
Woordenboek Nederlands
dictionary
4.20.19
false
nl-NL@dictionaries.addons.mozilla.org
Beveiligingssoftware
Type: Naam
Antivirus: Microsoft Defender Antivirus
Antispyware:
Firewall: Windows Firewall
Grafisch
Functies
Samenstellen: WebRender (Software)
Asynchroon pannen/zoomen: wielinvoer ingeschakeld; slepen via scrollbalk ingeschakeld; toetsenbord ingeschakeld; automatisch scrollen ingeschakeld; soepele knijp-zoom ingeschakeld
WSI-info van WebGL 1-stuurprogramma: -
Renderer van WebGL 1-stuurprogramma: WebGL is currently disabled.
Versie van WebGL 1-stuurprogramma: -
Extensies van WebGL 1-stuurprogramma: -
WebGL 1-extensies: -
WSI-info van WebGL 2-stuurprogramma: -
Renderer van WebGL 2-stuurprogramma: WebGL is currently disabled.
Versie van WebGL 2-stuurprogramma: -
Extensies van WebGL 2-stuurprogramma: -
WebGL 2-extensies: -
Doelframerate: 60
DirectWrite: true (10.0.19041.1566)
GPU #1
Actief: Ja
Beschrijving: NVIDIA GeForce GTX 1050
Leverancier-ID: 0x10de
Apparaat-ID: 0x1c81
Stuurprogrammaversie: 31.0.15.2656
Datum van stuurprogramma: 10-31-2022
Stuurprogramma’s: C:\WINDOWS\System32\DriverStore\FileRepository\nvhdc.inf_amd64_a96d179b15e4aed9\nvldumdx.dll,C:\WINDOWS\System32\DriverStore\FileRepository\nvhdc.inf_amd64_a96d179b15e4aed9\nvldumdx.dll,C:\WINDOWS\System32\DriverStore\FileRepository\nvhdc.inf_amd64_a96d179b15e4aed9\nvldumdx.dll,C:\WINDOWS\System32\DriverStore\FileRepository\nvhdc.inf_amd64_a96d179b15e4aed9\nvldumdx.dll C:\WINDOWS\System32\DriverStore\FileRepository\nvhdc.inf_amd64_a96d179b15e4aed9\nvldumd.dll,C:\WINDOWS\System32\DriverStore\FileRepository\nvhdc.inf_amd64_a96d179b15e4aed9\nvldumd.dll,C:\WINDOWS\System32\DriverStore\FileRepository\nvhdc.inf_amd64_a96d179b15e4aed9\nvldumd.dll,C:\WINDOWS\System32\DriverStore\FileRepository\nvhdc.inf_amd64_a96d179b15e4aed9\nvldumd.dll
Subsysteem-ID: 00000000
RAM: 2048
GPU #2
Actief: Nee
RAM: 0
Diagnostische gegevens
AzureCanvasBackend: skia
AzureContentBackend: skia
AzureFallbackCanvasBackend: skia
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ClearType-parameters: Gamma: 1.8 Pixel Structure: RGB ClearType Level: 100 Enhanced Contrast: 50
Beslissingenlogboek
HW_COMPOSITING: available by defaultblocked by runtime: Acceleration blocked by safe-mode
D3D11_COMPOSITING: unavailable by default: Hardware
There are two different error messages (authentication failed or wrong password).
With OAuth2 authentication you'll have to use the main account password, not an app password.
Correct, I have attached a screen capture of the error that occurs most frequently. The password that I use is the password for my google account.
Removing Avast probably was a good idea. And the server settings for the Gmail account look good.
Antivirus: Microsoft Defender Antivirus
Your anti-virus software is now Microsoft Defender, which is a very reasonable choice. However, anti-virus software in general can be problematic in connection with Thunderbird.
These are some generic suggestions to avoid problems with anti-virus software.
Create an exception in your anti-virus software for the Thunderbird profile folder, so that the anti-virus real-time scanner will not scan it. https://support.mozilla.org/en-US/kb/profiles-where-thunderbird-stores-user-data#w_how-to-find-your-profile
Don't let your anti-virus software scan incoming and outgoing messages.
Don't let your anti-virus software scan attachments.
Don't let your anti-virus software intercept your secure connection to the server.
Remove any add-ons your anti-virus software may have installed in Thunderbird.
Keep it working. http://kb.mozillazine.org/Keep_it_working_-_Thunderbird
And last but not least, backup your Thunderbird profile on a regular basis. https://support.mozilla.org/kb/profiles-where-thunderbird-stores-user-data#w_backing-up-a-profile