SMTP Authentication Error

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I am trying to set up my SMTP for my wordpress website. I keep getting "ErrorInfo: SMTP Error: Could not authenticate.SMTP server error: QUIT command failed" I have assured that my email and email password are indeed correct what else can I do as go daddy support is absolute trash. I have gone ahead and posted the whole error log aswell when trying to send a test email to myself

2024-09-03 21:50:38 Connection: opening to ssl://smtpout.secureserver.net:465, timeout=30, options=array()

2024-09-03 21:50:38 Connection: opened

2024-09-03 21:50:39 SERVER -> CLIENT: 220 osplsmtpa01-13.prod.phx3.secureserver.net :SMTPAUTH: lbQ6s8ILbxnH1 : ESMTP server osplsmtpa01-13.prod.phx3.secureserver.net ready

2024-09-03 21:50:39 CLIENT -> SERVER: EHLO [mywebsite]

2024-09-03 21:50:39 SERVER -> CLIENT: 250-osplsmtpa01-13.prod.phx3.secureserver.net hello [104.247.78.154], secureserver.net250-HELP250-AUTH LOGIN PLAIN250-SIZE 30000000250-PIPELINING250-8BITMIME250 OK

2024-09-03 21:50:39 CLIENT -> SERVER: AUTH LOGIN

2024-09-03 21:50:39 SERVER -> CLIENT: 334 VXNlcm5hbWU6

2024-09-03 21:50:39 CLIENT -> SERVER: [credentials hidden]

2024-09-03 21:50:39 SERVER -> CLIENT: 334 UGFzc3dvcmQ6

2024-09-03 21:50:39 CLIENT -> SERVER: [credentials hidden]

2024-09-03 21:50:39 SERVER -> CLIENT: 535 Authentication Failed for [myemail]

2024-09-03 21:50:39 SMTP ERROR: Password command failed: 535 Authentication Failed for [myemail]

SMTP Error: Could not authenticate.

2024-09-03 21:50:39 CLIENT -> SERVER: QUIT

2024-09-03 21:50:39 SERVER -> CLIENT:

2024-09-03 21:50:39 SMTP ERROR: QUIT command failed:

2024-09-03 21:50:39 Connection: closed

SMTP Error: Could not authenticate.

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4 Comments
  1. It says pretty much what it’s doing. Says authentication failed. That means wrong username and or password. It doesn’t provide us with any more information than that.

  2. >ERROR: Password command failed: 535 Authentication Failed for [myemail] SMTP Error: Could not authenticate.

    Sounds like the credentials you are trying to use are not correct. You may need to reset your email password if you are not sure of it.

  3. Three possible reasons:

    1. Incorrect credentials (but that’s not the case as you mentioned)
    2. Incorrect SMTP Server and port number. Double check if that’s correct as well.
    3. Your system IP has been blocked. Try with a different internet connection or with a VPN.

    BTW, what do you use as an SMTP plugin? I prefer FluentSMTP because of the error logs to troubleshoot issues quickly.

 

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