Thunderbird Version: Tried on stable 68 and betaOS Version: MacOS Catalina
I'm currently unable to add my gmail account to Thunderbird, upon logging in via Oauth thunderbird does not actually get added to authorized apps after clicking <Allow> at the end of the Oauth flow. Once it fails it then has error 'Unable to log in at server. Probably wrong configuration, username or password.' however I'm certain that is not correct as I even tried copy pasting password between thunderbird's password field and gmail's oauth one to verify they are identical.
I'm also not sure which end the issue is one given the app doesn't actually get added as authorized on Google account. As a comparison I did try with the builtin mail app on MacOS and it worked correctly so I'm unsure why Oauth is not working through thunderbird. One thing I did notice though is that the served Oauth pages are visually different when using Oauth via the builtin mail app compared to thunderbird.
Have you been facing error “SMTP server timed out in Thunderbird” lately? Does not worry, this blog discusses the fix for connection to the server timed out in Thunderbird.
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This kind of error is mostly encountered when we attempt to send and receive e-mail or tries to send and receive a large message. Keep reading the article to find the fix to this problem which will discuss the topic like:
- The reason behind Thunderbird Timed Out Error
- Steps to prevent message failure problem
- How to troubleshoot SMTP timeout problems
Brief About Thunderbird
Thunderbird comes in an open source desktop email client category which supports emails protocols such as SMTP, IMAP, and POP3. These protocols help users to configure and access the data from other online service providers like Gmail, Yahoo, Hotmail, Rediff mail etc. It is also responsible for sending and receiving emails from an external source.
Reasons for SMTP server timed out in Thunderbird
If you are a non-technical user, then it is quite difficult to solve this problem without any guidance. In such case, I am here to help you out, before that let’s see the points that can cause “Thunderbird Sending Of Message Failed SMTP Server Timed Out”. 12 labours of hercules 7-in-1 bundle for mac.
- Whenever we are configuring to a new account or updating a Thunderbird account.
- A problem might occur when there when ISP detects spam or virus on port 25.
- Sending emails is blocked due to Antivirus or Windows Firewall on the system.
- When the SSL/TLS server is not set.
- Wrong fill of SMTP port at the time of configuration of the account.
How to Prevent Server Timeout Errors in Thunderbird
1. Open The Thunderbird Client
2. Go to Tools; Options; Advanced; General; Config Editor.
3. In filter field type in “mailnews.tcptimeout”.
4. Right click and select Modify.
5. Change the value to a higher number; example 1000 or 2000.
If you still receiving the connection timeout error, then there must be something wrong with your internet connection your computer, or our servers.
Troubleshooting SMTP Server Timeout in Thunderbird
1. Choose Tools > Accounts… from the menu bar.
2. Click on “Outgoing Server (SMTP)”. You should see something like this…
If your User Name is not your full email address, or the Port, Secure Authentication or Connection Security Settings vary from those shown above, this may be the problem.
4. To change the User Name, Secure Authentication or Connection Security settings, click on ‘Edit’ and change them in there. Save the changes then restart Thunderbird before testing.
If you still are getting the error after changing, then you can change the Connection Security to “STARTTLS” in SMTP Settings. As many users have reported this is the only way they could get TB3 to work correctly.
Note: Always remember to save the new settings and restart Thunderbird before testing again.
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Final words
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I hope you understand that how to troubleshot “Sending Of Message Failed SMTP Server Timed Out in Thunderbird“. In other hands, one can use Microsoft Outlook which is comparatively better than Thunderbird as well as it has user-friendly interface & popularly used by millions of users to handle emails. Use Thunderbird to Outlook Converter to export Thunderbird mailbox to Outlook and import all mail data from Thunderbird to Outlook in a few clicks.