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SMTP error with Office 365, wrong password even though it's correct

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I'm on Office 365, receiving e-mail is fine but it won't send. It's saying my password is incorrect even though I know it's working.

I don't have 2FA turned on.

SMTP settings SMTP: smtp.office365.com Port: 587 Encryption: STARTTLS

If anyone could help I'd very much appreciate it.

I'm on Office 365, receiving e-mail is fine but it won't send. It's saying my password is incorrect even though I know it's working. I don't have 2FA turned on. '''SMTP settings''' '''SMTP:''' smtp.office365.com '''Port:''' 587 '''Encryption:''' STARTTLS If anyone could help I'd very much appreciate it.