Hi @maryverus,   Thanks for raising this to us, are you using an email client or TPG post office? Can you post the error message on this thread.   Here is an article that you may find helpful, Cannot Send Email Rejected by the Server/Banned from using SMTP .   Let me know how it will go.   Cheers!   @maryverus wrote: I am receiving emails but am unable to send them from xxxxxx@tpg.com.au this has been happening for approx 10 hours. Can you please assist me?   ... View more

@maryverus . Which email client are you using? Can you post an example of the error message being received, error codes and text. ... View more