Plusnet webmail refuses password

[#1]

Is Plusnet doing work on the old servers or something.  This morning Webmail is refusing my Password (both on PC and direct from the browser), just saying Login failed.  I've changed nothing.  Yesterday morning I couldn't send, as the SMTP server wasn't working for the older purchased company emails (ie madasafish/dialstart), but was working again in the afternoon with the old settings.

What is happening?!  I need to access my emails today!!! urghhh.

[#2 · Accepted solution]

Panic over.  Plusnet had blocked me saying my webmail may have been compromised... sent notification about it to another old email address I don't normally use, so I hadn't seen it.  Just a bit hard to fix, as I'm don't have an actual Plusnet account and had to sort via an old ISP provider sign in.