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2 of 3 email addresses won't send emails

Level 1a

I have 3 @TPG email addresses. All 3 will receive emails. However, only 1 of them will send emails, the other two won't send.

 

I am using Microsoft Outlook.

3 REPLIES 3
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Moderator

Hi,

 

Coudl you advice which error message comes from the outlook??

thanks

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Level 1a


Task '____@tpg.com.au - Sending' reported error (0x800CCC78) : 'Cannot send the message. Verify the e-mail address in your account properties. The server responded: 535 5.7.8 [TPG-A02] Authentication denied. User ____@tpg.com.au is banned from using SMTP AUTH due to previous abuse'


Task '____@tpg.com.au - Sending' reported error (0x800CCC78) : 'Cannot send the message. Verify the e-mail address in your account properties. The server responded: 535 5.7.8 [TPG-A02] Authentication denied. User ____@tpg.com.au is banned from using SMTP AUTH due to previous abuse'

 

Highlighted
Moderator

Hi

 

I am checking this issue with the engineer team, in any case you may check your configuration while we are troubleshooting it.

 

Thanks

https://answers.microsoft.com/en-us/msoffice/forum/msoffice_outlook-mso_win10/outlook-365-sending-er...