Authorisation was set to SSL/TLS until a few days ago; when Gadget Rescue took over they changed it to STARTTLS, and when I queried it with them assured me that STARTTLS was what the automatic setup was advising, and so leave it at that (I'm far from...
The accounts are already using "Normal password" - there isn't an OAuth2 option listed for them. Also, although that command-line output speaks of SSL/TLS on port 465, the smtp server is actually set for STARTTLS on 587. But I don't know how the ...
Out of interest, I found this curl command line procedure from a google search. I don't know whether it's of any meaning or relevance to the problem -"C:\Users\xxxxx>curl -v smtps://smtp.virginmedia.com -u xxxxxxx@blueyonder.co.uk:[xxxx.xxxx.xxxx.xx...
No, they only took-over my normal/main computer. The other one is kept as a backup for desperate times like these. The other one was, however running at the time and connected to router's wi-fi.
Well, some time has passed and I'm still having exactly the same problem. Virgin Media put me in touch with their Gadget Rescue people, and they "took over" my computer and tried reinstalling the accounts with new app passwords, and then completely ...