Can’t send emails on my iPhone

[Antonio1]

Hi I can receive emails but can’t send emails on my iPhone . Says outgoing server failed which is the mail.tpg.com.au

[PeterW]

Hello Antonio1,
Thank you for your message and 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.
• Telephone No.
I will reply ASAP on receipt of the above.
Regards
PeterW
How To Private Message within the TPG Community:
https://community.tpg.com.au/t5/Welcome/How-do-I-private-message-PM-in-thecommunity/
m-p/4093#M45
My TPG app for IOS and Android - https://www.tpg.com.au/download

[Antonio1]

again this is happening that I cant send emails. This started happening since I travelled and logged into airline server for internet access