Cannot send messages with Thunderbird but can receive messages after upgrading to a Mac Studio
Upgraded Thunderbird after loading the old Thunderbird from my old Mac Pro to my new Mac Studio. Downloading messages is working fine but I continue to get Sending of message failed. Connection to Outgoing server (SMTP)-smpt-gmail.com timed out. Try again. Have "tried again" numerous times.
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Check your settings: smtp-gmail.com is incorrect. It should be smtp.gmail.com, 465, SSL/TLS, OAuth2, email address.