Welcome to the Community!
Are you using the Outlook email client or their webmail? If via webmail, what browser are you using?
Are you able to send out emails using the TPG Post Office?
What troubleshooting have you tried so far?
Since last Wednesday evning I can't send emails, but I'm receiving emails.
Using Outlook Office 365 / Windows 10
yes, I'm able to to send out emails using the TPG Post Office
Restarting modem and resending emails … no success
I’ve send about 4 – 5 emails to TPG asking for assistance
I’ve spoken about 4 - times with TPG and email department was going to call me back – they’ve called once but immediately hanging call
Error 525 – Host server error
We've edited your post as it contains your email account details.
Please avoid posting any information on a public thread as it may compromise your security.
Just to confirm, are you using a VPN or just the normal connection from our service?
@mintech . You can try turning on detailed logging in Outlook. The SMTP log may have useful info. There are Microsoft articles to activate logging and the location of the logging files. You can copy and paste the SMTP file here. Just X out your email address in the text.