ok - router reset to factory setting - should I change passwords again??
should I change passwords again??Yes, please.
[*]Step #4 Run Malwarebytes’ Anti-Rootkit
Please download Malwarebytes Anti-Rootkit from here and extract the content to your Desktop.
[*]Update the program if asked.
[*]In the Scan System option check all the boxes and click on Scan.
[*]Click on Cleanup button after the scan and wait patiently. Reboot the computer if asked.
[*]After the clean-up process; locate two logs in the mbar folder namely–
[list][]mbar-log.txt; and
[]system-log.txt[*]Copy and paste the contents of the log in your next reply.[/list]
[*]Required Log(s):
[]MBAR Logs --[list][]mbar-log.txt; and
[*]system-log.txt
[/list]
Regards,
Valinorum
passwords changed again!! - check!
scan done - check!
logs attached - check!
Thanks
See if the issue persists.
Thanks for the help…
I await your reply.
I’ve had 3 more “email not delivered” notices this morning for emails I have not sent.
And things were going so well 
Please collect the email header and post it here. Tutorial.
Thanks again.
Attached is the headers from of todays 3 messages.
It actually appears differently from the last messages.
I will post one of those next for you.
and an earlier message header attached.
Thanks
Please give me some time while I discuss this with my colleagues. I will get back to you shortly. 
Please attach a fresh FRST scan log.
New scan log and addition attached.
Thank you. Please, wait while I analyze them.
Can you please try this test?
result - Address is probably not vulnerable
At this point we are not seeing any malware infestation in your system. Do you have 2FA enabled in your email. Please, enable all the security measures and choose a strong password.
enable all security measures available and have changed all passwords to extra strong.
So far so good.
Thanks again for all the help.
You are welcome.