1 Message


70 Points

Fri, Sep 9, 2022 3:44 PM

Email Error 550 Administrative Prohibition

I have just purchased a new mailbox.  I am able to receive emails at this email account. But I am getting the error : "Email Error 550 Administrative Prohibition"

Please help resolve the issue. 

Brand User

703 Messages


26.7K Points

3 months ago

Where are you getting that error? I updated some records that might help, but certainly let us know so we can take a closer look.

6 Messages


190 Points

13 days ago

I am getting this as well. SMTP error 550 . failed to set sender "my email" administrative prohibition.

this pops up as I hit send in the email screen. also iPhone app wants password update, but correct password does'nt help. have reset password many times, receiving is fine.


Brand User

6.4K Messages


105.8K Points


I have updated the DNS, which should resolve this issue. It may take up to 24 hours to update. Please let me know if you continue to experience this issue after that.