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SMTP with Office 365 not working


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I tried 3 smtp servers: smtp-legacy.office365.com, smtp.office365.com, outlook.office365.com with all combinations of port 25, 587 and TLS, STARTTLS and a working login. None is working with the send test mail.

For that matter from within the latest anti virus client it is also not working

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Ok, it is working now, the sender must be the same as the login name.

so: outlook.office365.com, with port 587, STARTTLS, automatic autentication and a working O365 login.

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