#Mozilla thunderbird update install#
#Mozilla thunderbird update update#
#Mozilla thunderbird update windows#

JavaScript is disabled for message content but not for RSS news feeds.To disable this click View > Message Body As > Plain Text. Thunderbird disables email images by default but enables HTML rendering which may expose IP address and location.To hide Thunderbird's User Agent, create a new empty string entry in the #Config editor.Setting this value may increase the spam score of messages you send. This value can be overridden by setting _argument to, for example, localhost. Thunderbird sends your system's internal IP address to the configured SMTP server as an argument to the HELO/ELHO SMTP command.Thunderbird Nightly - Experience the newest innovations with nightly releases (for those that want to work with breakages).Ī version overview, both past and future, can be read on MozillaWiki:Releases.Thunderbird Beta - Cutting edge features with relatively-good stability.

#Mozilla thunderbird update install#

Install the thunderbird package, with a language pack if required.

5.6 Outlook 365 SMTP fails to authenticate with OAuth2 authentication.

5.5 Authentication failure while connecting to server error when using OAuth2 with G Suite account.

5.4 LC_TIME environment variable not respected.

5.3 Thunderbird UI freezes when receiving a new message.

5.2 Error: Incoming server already exists.

4.3 Plain text mode and font uniformity.

Such a filter could block or even delete the emails addressed to you preventing them from landing in your inbox. Contact your ISP and check if they set up a spam filter. If you have problems receiving emails, check if everything is up and running on your ISP’s end. Switch to another port or contact your ISP for further help if you still can’t send emails. Some Internet Service Providers tend to block outgoing emails on certain ports (port 25). You can find the list of previous Thunderbird versions on Mozilla’s support page. The problem is that you won’t be able to send or receive emails if your provider does not support the latest TLS network encryption protocols.Īs a workaround, you can rollback Thunderbird. Thunderbird 78 and higher require enhanced TLS security standards.

Save the changes and restart your computer.

Use the slider to disable SSL/TLS protocol filtering.

Click on Web and email (or type ‘ tls‘ in the search bar).

Use this method if you can’t receive emails on Thunderbird. If you’re using a security tool from ESET, try turning off SSL filtering. That’s why you need to get your security programs to recognize and trust the updated Thunderbird version. Your antivirus/firewall may not trust the new Thunderbird version.

If this problem occurred shortly after you updated Thunderbird, whitelisting the email tool should fix it.

For detailed instructions, go to your antivirus/firewall official support page. The steps to follow are different depending on the antivirus/firewall you’re using. Hit the Allow another app button and add Thunderbird to the list.Then click on Allow an app through firewall.

#Mozilla thunderbird update windows#

Type ‘ firewall‘ in the Windows search box.Select Add or remove exclusions → Add an exclusion, and select Thunderbird.Then click on Virus & threat protection → Manage settings.

#Mozilla thunderbird update update#

Navigate to Settings → Update & Security → Windows Security.

If you can send and receive emails with the antivirus and firewall off, whitelist Thunderbird. To test if your antivirus or firewall is blocking outgoing emails, simply disable the tools. Or they could be blocking the emails coming to your inbox.

Your antivirus or firewall might be preventing Thunderbird from delivering your messages. Whitelist Thunderbird or Disable Your Antivirus/Firewall

Select Server settings and make sure you’re using the correct IMAP Server settings.įor more information on the IMAP settings to use, go to the official webpage of your email account provider.

Click on the three-lines to open the menu.

If you’re using a different email service, go to your mail provider’s website and search for the SMTP mail settings to use.

If you don’t know what SMTP settings to use, check Thunderbird’s support pages:

Check the SMTP server settings for your email address.

Launch Thunderbird and click on the menu.

That’s why you need to make sure you’re using the correct SMTP server settings.Įnsure you’re not trying to send emails from Thunderbird using the SMTP server of another email service. Not using the correct SMTP settings may prevent you from sending emails using Thunderbird. The server then distributes them to the recipients. In other words, the emails you send are first collected by the SMTP server. The SMTP server (Simple Mail Transfer Protocol) plays the role of the mailman in the email world. Use this method if you can’t send emails. Cannot Send or Receive Emails on Thunderbird Check Your SMTP Server Settings