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Thunderbird can't send emails from SMTP Outlook 365

Captain Britain
Captain Britain
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My email provider "Go Daddy" has recently moved my email from their own servers to Microsoft. The new SMTP settings are

Server name: smtp.office365.com Port: 587 Encryption method: STARTTLS

I have tried everything and I cannot seem to send emails from Thunderbird. My gmail based email and also one other Go Daddy email which is still on their old servers works fine. I have turned off Firewalls, anti-viruses, tried on different PC's and nothing. Could it be an Outlook security setting ? Can anyone help ?

Note: The curious thing is that I put Thunderbird on a friends Mac and it sent the email .... ?!?!?!

[PS for privacy I have removed the username from the screenshots but it is correctly there]

My email provider "Go Daddy" has recently moved my email from their own servers to Microsoft. The new SMTP settings are Server name: smtp.office365.com Port: 587 Encryption method: STARTTLS I have tried everything and I cannot seem to send emails from Thunderbird. My gmail based email and also one other Go Daddy email which is still on their old servers works fine. I have turned off Firewalls, anti-viruses, tried on different PC's and nothing. Could it be an Outlook security setting ? Can anyone help ? Note: The curious thing is that I put Thunderbird on a friends Mac and it sent the email .... ?!?!?! [PS for privacy I have removed the username from the screenshots but it is correctly there]
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Matt
Matt
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Try changing the password to oauth instead of normal. Make sure cookies are enabled (default setting)

Captain Britain
Captain Britain 提出問題者
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Hi thanks for the suggestion. The setting did take me to the Outlook authentication page similar to when I set up Gmail accounts, but it still didn't work. I also tried all the other password settings just in case, also nothing. Any more ideas ?