Suddenly cannot send email, I get error message saying: an error has occurred when sending mail. The mail server responded: authentication is required before to

Thunderbird has worked perfectly on 9/3. This morning all of a sudden I can't send e-mail. The message is: an error occurred while sending mail. The mail server responded: authentication is needed before sending it [R0107005]. Please make sure that your e-mail address is correct in your e-mail preferences and try again.

I made no changes between 9/3 and 9/4

any help appreciated, have been using Thunderbird for many years.

Jerry

problem solved. a message to update thunderbird stood, updated and now works. WOW!

Tags: Thunderbird

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