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Cant send email from an office 365 email

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Hello, What am I doing wrong? :-) I have problems sending emails. I am new to Thunderbird and have entered my email address (which is connected to office 365). I can receive emails but cannot send? There are different error messages depending on which settings I set for outgoing e-mail. I have tried all versions on: • Connection security: STARTTLS and SLL/TLS and nothing • Authentication method: OAuth2 and password

Grateful newbie greetings :-)

Hello, What am I doing wrong? :-) I have problems sending emails. I am new to Thunderbird and have entered my email address (which is connected to office 365). I can receive emails but cannot send? There are different error messages depending on which settings I set for outgoing e-mail. I have tried all versions on: • Connection security: STARTTLS and SLL/TLS and nothing • Authentication method: OAuth2 and password Grateful newbie greetings :-)

Modified by Eric Wennerholm

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I couldn't get my 365 to work with Thunderbird and finally broke down and now pay for an extension as I hate the MS Office interface. I'm using Owl for Exchange and I've had a couple of hiccups but it generally works well and isn't very costly ($10.85 per year)...definitely worth it so I can use Thunderbird with my office 365 email.