User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:220.127.116.11) Gecko/20071127 Firefox/18.104.22.168 Build Identifier: Thunderbird 22.214.171.124 For two days, it has been impossible for me to send mail any more. Every time I try, I got the same alert : "An error happened (SMTP) during the sending. The server answered: yahoo.com closing transmission channel. Remote IP is over the limit for messages allowed to be sent in a single day.." When I am connecting directing on Yahoo Mail, no problem to send. I even checked if the configuration had changed, but it is not the case. And, of course, I haven't send the least message... Reproducible: Always Steps to Reproduce: 1. Write a message 2. Try to send it 3. ALERT! Actual Results: I haven't find yet. I do not understand. I haven't done any update or something that could have changed something in my computer system.
Given the lack of change in your configuration and the symptoms, it looks like Yahoo thinks your computer (or something on your IP address) has been used for sending lots of emails. Try restarting your computer and/or network connections. If that doesn't work, you should contact Yahoo direct. This is highly unlikely to be a Thunderbird problem given the symptoms, therefore I'm resolving as invalid. If after trying what I suggest, and confirming with Yahoo it is still a problem, then please try the support forums, http://www.mozilla.org/support/thunderbird/ and feel free to reopen this bug if you can't get any help.