Windows 10 reached EOS (end of support) on October 14, 2025. If you are on Windows 10, see this article.

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

Can not send messages

  • 3 replies
  • 2 have this problem
  • 142 views
  • Last reply by smgcville

Hi there,

On my Thunderbird installation I run two identities with different SMTP servers. One is a private SMTP server that works fine, but since the last Update the other Gmail connection does not. Although smtp.gmail.com is set up as mail server for my Gmail-identity and my password works well on Gmail, Thunderbird has me enter my password for a zillion times when I want to send an email and says it does not work. In addition to that it seems that although I'm writing under my Gmail identity Thunderbird wants to send out through the private SMTP server connected to the other account. What can I do?

Hi there, On my Thunderbird installation I run two identities with different SMTP servers. One is a private SMTP server that works fine, but since the last Update the other Gmail connection does not. Although smtp.gmail.com is set up as mail server for my Gmail-identity and my password works well on Gmail, Thunderbird has me enter my password for a zillion times when I want to send an email and says it does not work. In addition to that it seems that although I'm writing under my Gmail identity Thunderbird wants to send out through the private SMTP server connected to the other account. What can I do?

All Replies (3)

In the account settings both SMPT servers are tied to the correct email address.

NoStartupMaster. Authentication Method: normal password, Connection security: SSL/TLS

No 2-step verification is not enabled