In need of help using the email module

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Hello, I am in need of help using the email module app because everytime I try to test, by sending an email the same error shows up, so I am confused as to why this happens, and want to know whether it is a problem on what I have coded or a problem with the server. Any help to shed some light on this would  be very much appreciated thank you. ‚Äč Here is  screenshot of the error I keep on getting I can provide more information if needed. Thank you very much in advance 
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2 answers
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I see that you are trying to send to an Outlook environment? Perhaps the wrong settings are used to send?
For more information, see https://support.office.com/en-us/article/pop-and-imap-email-settings-for-outlook-8361e398-8af4-4e97-b147-6c6c4ac95353

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I see you're trying to do this as test, for this purpose you also could try to configure the used server to 'localhost' and then intercept the e-mails with a tool like this: 

http://nilhcem.com/FakeSMTP/

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