User Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:45.0) Gecko/20100101 Firefox/45.0 Build ID: 20160407164938 Steps to reproduce: I upgraded to the version 45.0 and tried to send an e-mail. As usual I composed the e-mail and sended it Actual results: no mail is sent, no message of connection to the server is shown. I checked the internet connection, tried different servers though the previously installed version worked fine so that I sent an e-mail just few minutes before upgrading. Nothing has been changed in the server definitions and I sent an e-mail to different of the my e-mail accounts Expected results: The email should be sent though no window of sendin e-mail appeared and I did not fined the mail sent to other my occount.
I was not able to reproduce this bug. Thunderbird 45.1 Lightning 4.7 add-on Quicktext enabled without safe-mode. Composed a new mail. Sent it successfully to one of my other accounts. Received the mail in my other account.
Anindya, thanks for helping. Message delivery problems after update are often caused by firewall and antivirus software. If the problem goes away in Windows safe mode, then the problem is something on the Windows/firewall/AV side. If you see something different please update the bug.
Status: UNCONFIRMED → RESOLVED
Last Resolved: 11 months ago
Resolution: --- → INVALID
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