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Authentication failed.

Anonymous
2019-09-22T14:51:15+00:00

Getting this error message when trying to configure my email to sent through my company SMTP server. 

The IT Administrator confirmed i have correct email & password for this to work.

Please help.  thx

Authentication failed. Please check your username/password. <br><br>Server returned error: "334 VXNlcm5hbWU6 334 UGFzc3dvcmQ6 535 5.7.3 Authentication unsuccessful [SN6PR0102CA0008.prod.exchangelabs.com] , code: 535"
Microsoft 365 and Office | Subscription, account, billing | For home | Windows

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  1. Anonymous
    2019-09-23T22:20:50+00:00

    Hi Skypeman ,

    Thanks for your feedback, I am glad to help you, however, the question you asked is related to Gmail service, we are focusing on handling question and issue related to Office 365 for Business service, and has little knowledge about Gmail service, therefore, in order to let you get better assistance, please try to contact the dedicated Gmail/Google support for more information, your understanding is appreciated.

    Best Regards,

    Betty

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  2. Anonymous
    2019-09-23T02:41:58+00:00

    how does that work?

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  3. Anonymous
    2019-09-23T02:41:27+00:00

    Hi Betty,

    thanks for reply and i figured it out and its now setup to "send".  

    The issue now is trying to get setup Gmail to "receive" messages from same company account. 

    When i go to 'Check mail from other account', and click 'Add a mail account' & enter email, message says "You have already linked one account with Gmailify   - guess doesn't allow multiple account links??

    The other option is 

    but the IT Admin sent info for IMAP, not POP server - is it possible to make the IMAP work or is Or is that it has tPOP server only option?

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  4. Anonymous
    2019-09-22T17:24:36+00:00

    Hi Skypeman ,

    Greetings, from your description, I understand you are setting up a multifunction device or application to send email using Office 365, right? If so, please refer to the link below to check whether you have configured the related parameter correctly.

    https://docs.microsoft.com/en-us/Exchange/mail-flow-best-practices/how-to-set-up-a-multifunction-device-or-application-to-send-email-using-office-3?redirectSourcePath=%252fen-us%252farticle%252fhow-to-set-up-a-multifunction-device-or-application-to-send-email-using-office-365-69f58e99-c550-4274-ad18-c805d654b4c4 (If default port of your device is port 465, it does not support SMTP client submission.)

    If I have misunderstanding, please feel free to correct me, and if the error still appears when you configure your account with the steps above, could you please offer me following information for further analysis?

    1. The screenshots about how you configure your account, and whether your device supports TLS 12.0 or above.
    2. Is your account managed in pure cloud, On-Premises or hybrid?
    3. Has your account been enabled multi-factor authentication? If so, try to configure your account with app password and view whether the outcome is different.
    4. If you change your password, whether there is any difference.

    Best Regards,

    Betty

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  5. Anonymous
    2019-09-22T15:01:47+00:00

    Is there a reason for not using auto setup?

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