Fix e-mail errors on Mozilla® Thunderbird® e-mail client
What are the different ways to fix e-mails errors that may come up on Mozilla Thunderbird e-mail client? Discuss the techniques to fix the errors.
Mozilla Thunderbird is an e-mail program that helps the users to manage their e-mail accounts efficiently. At times Mozilla Thunderbird might show errors. The errors can be of different types like inability to send/receive mails or content not loading while clicking on subject, etc. The reasons behind these errors can be different like conflicts between other programs like antivirus programs, firewall, etc. It can also happen that e-mail settings do not match to those of your provider. For example, an incorrect e-mail gateway or port number will bounce the e-mail back to the sender if they tries to send one.
Discussed below are points that can help users to know more about e-mail errors in Mozilla Thunderbird and ways to fix these errors:
- Incorrect e-mail settings
- Conflicts between external programs
- Server issues
Incorrect e-mail settings
E-mail errors can occur in Mozilla Thunderbird due to several reasons. One of the most common reasons by which the users encounter e-mail errors is the incorrect settings configured in the program. Mozilla Thunderbird uses certain e-mail settings for sending/receiving e-mails. An incorrect value in e-mail gateway or SMTP server can cause errors in Mozilla Thunderbird. The SMTP password provided with your e-mail security can also cause errors while sending e-mails. To resolve this issue, open Mozilla Thunderbird and go to the ‘Tools’ menu. Then select ‘Options’ and then ‘Security Passwords’. Now open ‘Saved Passwords’ and select the URL of the SMTP password. Click the ‘Remove’ button and it will be deleted. Many of the e-mail errors can be solved by removing the SMTP password.
Conflicts between external programs
Mozilla Thunderbird can also cause errors with e-mails if there is a conflict between other programs, especially security programs. Antivirus programs and Firewall have the capability to block Mozilla Thunderbird from sending e-mails. These issues can be easily fixed by adding Mozilla Thunderbird to the exceptions list of antivirus programs. For firewall, you can create a firewall rule so as it allows Mozilla Thunderbird to send and receive e-mails.
Mozilla Thunderbird sometimes displays an error message saying “Unable to authenticate to SMTP server”. This error occurs when users try to upgrade the version to a newer one. The username and password which is configured in Mozilla Thunderbird is sent to the server whether or not the servers needs authentication. This makes some servers to reject the connection because they find some unnecessary data. The problem can be solved easily by disabling the authentication details from the ‘Account Settings’ in ‘Tools’ menu.
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