Cant send emails

[roslynkerr]

Hi,

I'm recieving the following error whenever I try and send email from my PC:

An unknown error has occurred.

Subject 'Test'
Server Error: 550
Server Response: 550 5.7.1 [TPG-S03] Mail 0615HdSk003516 from 203.87.72.242 rejected with DCC. Use SMTP AUTH, PostOffice, or contact the Postmaster Team <postmaster@tpg.com.au>
Server: 'mail.tpg.com.au'
Windows Live Mail Error ID: 0x800CCC69
Protocol: SMTP
Port: 25
Secure(SSL): No

Reciept of emails is unaffected as is sending / recieving via my mobile phone..

My tpg username is roslynkerr

I would appreciate if I could be emailed or advised here ASAP with how to resolve this amtter.

Many thanks.

[PeterW]

Hello roslynkerr,
Thank you for being a part of the TPG Community.
For verification purposes can you please send me a private message (PM) by clicking on my name and provide the following information:
 Username
 Full Name
 Full Address
 D.O.B.
I will reply ASAP on receipt of the above.
Regards
PeterW
My TPG app for IOS and Android - https://www.tpg.com.au/download