550-5.7.26 Your email has...
                
  550-5.7.26 Your email has been blocked because the sender is unauthenticated.
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 - 550-5.7.26 Your email has been blocked because the sender is unauthenticated.
 
Topic: 550-5.7.26 Your email has been blocked because the sender is unauthenticated.
by ashaseeb on Tuesday, January 7, 2025
                                hi, I recently purchased "FULL EMAIL SERVICE" and configured the emails but emails are not going out and returning delivery failed messages (listed below). I configured "Manage DKIM Signing" but I am afraid I did it wrong and missed something. I would appreciate it if you could guide me through the required settings or you can set it up yourself. The domain and email are both purchased/registered from Dynu under my account.thank you!!!EMAIL DELIVERY FAILED WITH THIS MESSAGE:------------------------------------------------------------------The following recipient(s) could not be reached:ashaseeb@gmail.com   Error Type: SMTP   Remote server (142.251.167.27) issued an error.   hMailServer sent: .   Remote server replied: 550-5.7.26 Your email has been blocked because the sender is unauthenticated.550-5.7.26 Gmail requires all senders to authenticate with either SPF or DKIM.550-5.7.26 550-5.7.26  Authentication results:550-5.7.26  DKIM = did not pass550-5.7.26  SPF [i36t.com] with ip: [162.216.242.87] = did not pass550-5.7.26 550-5.7.26  For instructions on setting up authentication, go to550 5.7.26  https://support.google.com/mail/answer/81126#authentication af79cd13be357-7b9ac53e825si4662704485a.652 - gsmtp
                                
                                        
                            
                            
                            
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| Author | Topic: 550-5.7.26 Your email has been blocked because the sender is unauthenticated. | 
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                                ashaseeb Joined: 12/24/2019  | 
                            
                                
                                 Tuesday, January 7, 2025 7:22 PM 
                                    hi, I recently purchased "FULL EMAIL SERVICE" and configured the emails but emails are not going out and returning delivery failed messages (listed below). I configured "Manage DKIM Signing" but I am afraid I did it wrong and missed something. I would appreciate it if you could guide me through the required settings or you can set it up yourself. The domain and email are both purchased/registered from Dynu under my account.thank you!!!EMAIL DELIVERY FAILED WITH THIS MESSAGE:------------------------------------------------------------------The following recipient(s) could not be reached:ashaseeb@gmail.com   Error Type: SMTP   Remote server (142.251.167.27) issued an error.   hMailServer sent: .   Remote server replied: 550-5.7.26 Your email has been blocked because the sender is unauthenticated.550-5.7.26 Gmail requires all senders to authenticate with either SPF or DKIM.550-5.7.26 550-5.7.26  Authentication results:550-5.7.26  DKIM = did not pass550-5.7.26  SPF [i36t.com] with ip: [162.216.242.87] = did not pass550-5.7.26 550-5.7.26  For instructions on setting up authentication, go to550 5.7.26  https://support.google.com/mail/answer/81126#authentication af79cd13be357-7b9ac53e825si4662704485a.652 - gsmtp
                                    
                                             
                                
                                
                                
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            Monday, November 3, 2025 5:07 PM
        
    