Inability to Receive mails on Office 365 Business Essential - Microsoft Community


below error message:


diagnostic information administrators:

generating server: keys.mainone.net

remote server returned  #5.0.0 smtp; 550-please turn on smtp authentication in mail client, or login 550-imap/pop3 server before sending message. (keys.mainone.net) 550-[41.75.80.120]:39162 not permitted relay through server without 550 authentication.>'


hi tolulopeus,

 

it seems mx , spf records incorrect office 365 business essential subscription. please let administrator check referring following article:

https://support.office.com/en-ie/article/create-dns-records-at-any-dns-hosting-provider-for-office-365-7b7b075d-79f9-4e37-8a9e-fb60c1d95166?ui=en-us&rs=en-ie&ad=ie

 

meanwhile, please provide office 365 email address via private message can check side.

 

thanks,

gary 



Office / Outlook / Windows 10 / Office 365 for business



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