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1. MOZILLA THUNDERBIRD PROBLEMS SENDING EMAILS SOFTWARE
2. MOZILLA THUNDERBIRD PROBLEMS SENDING EMAILS PASSWORD

MOZILLA THUNDERBIRD PROBLEMS SENDING EMAILS PASSWORD

In such case, usually there is nothing wrong with a stored SMTP password in Thunderbird (see above). However, don't do this as a first step, especially if you cannot send messages after updating Thunderbird while you previously could. Thunderbird 78 FAQ - After upgrading to Thunderbird 78, I cannot get or send email messages Delete SMTP Password You can temporarily lower the bar to check if this is the reason for your problem (which obviously reduces security, so it's not recommended). If your provider does not support the newer versions of the protocol, sending and receiving of messages may fail. Thunderbird 78 expects higher security standards for the so-called TLS network encryption protocol. Verify that your mail server supports the minimum version of TLS Contact your ISP's support to see if they are blocking your outgoing email port.

You may have to switch to another port (e.g.

MOZILLA THUNDERBIRD PROBLEMS SENDING EMAILS SOFTWARE

Note: Firewall or antivirus software blocking outgoing email is a common cause of not being able to send messages after updating Thunderbird, since it may be set to trust the previous version of Thunderbird and no longer recognize the updated version as trusted. Try briefly turning both antivirus and firewall software off, sending a test email, and turning them on and sending another test email.Verify that your outgoing email is not being blocked by your firewall, antivirus software or your Internet Service Provider: Verify that your outgoing email is not being blocked For example, you cannot send a mail from through Yahoo's SMTP server. Most of the time you cannot send messages from one account provider using another account provider's service. Verify that you are using the right SMTP server for the email address. In the Thunderbird menu bar, click the Tools Edit menu and select Account Settings, or click the Application menu button and select Options Preferences and Account Settings from the sub-menu, and select the account name.Verify the correct SMTP Server is being used

Check that your Thunderbird settings match the documented settings. This is usually in the support section of their website searching for "mail settings" or "SMTP" will usually find it. Look for an SMTP mail settings article on the mail provider's site.Check that the settings are the same as documented in the article for your mail provider ( Gmail, Yahoo, Comcast, Hotmail, Sympatico) OR In the Thunderbird menu bar, click the Tools Edit menu and select Account Settings, or click the Application menu button and select Options Preferences and Account Settings from the sub-menu, and select Outgoing Server (SMTP) from the bottom of the list in the left panel.Verify that your mail server supports the minimum version of TLS.Verify that your outgoing email is not being blocked.If your existing configuration suddenly stopped working after updating to Thunderbird 78, it might be your Antivirus or Firewall blocking the new version, or your email provider using outdated TLS security protocols. The problem suddenly started after updating to Thunderbird version 78?