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Password changed automatically

Posted on by 19
Hello Guys! 
 
I faced very strange case. I tried to add a valid email account into Microsoft Dynamics 365 Business Central. Yesterday everything worked great. Today I received the error: "The email was not sent because of the following error: "The SMTP server rejected the authentication request, as the authentication data is incorrect. Verify that your Username and Password are correct and that the SMTP server supports the specified authentication type (Basic). SMTP error code: 535."
 
I was wondering how it happened because I didn't change my pass. I changed it. And now what I have. I tried to add my pass: 
 
And if I tried to save this pass, I do not see 14 symbols (my pass), I see - 10 symbols: 
 
And for sure I received the error: "The email was not sent because of the following error: "The SMTP server rejected the authentication request, as the authentication data is incorrect. Verify that your Username and Password are correct and that the SMTP server supports the specified authentication type (Basic). SMTP error code: 535."
 
Please help me! Because I can not understand what is going on. 
 
 
Thanks! 
  • Suggested answer
    YUN ZHU Profile Picture
    YUN ZHU 68,664 Super User 2024 Season 2 on at
    Password changed automatically
    Very strange, I have never encountered this problem.
    You can open the change log function to see when and who modified it. I think it is more likely to be human error.
     
    Thanks
    ZHU
  • YN-06081024-0 Profile Picture
    YN-06081024-0 19 on at
    Password changed automatically
    Guys, I do not have a 2-step verification. A password and email are 100% correct. But I receive this error. 
  • Suggested answer
    Khushbu Rajvi. Profile Picture
    Khushbu Rajvi. 1,519 on at
    Password changed automatically
    Please create new App Password for your email account and then apply that password and check it.
     
    Below link will help you to create app password.
  • Suggested answer
    gdrenteria Profile Picture
    gdrenteria 8,872 Most Valuable Professional on at

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