Yes, I changed my POP & SMTP settings as directed by Verizon. Did this weeks ago.
This morning, any outgoing mail from Thunderbird on Win7, times out. Ditto trying to download incoming mail from pop.verizon.net.
Pings to both addresses time out.
Yes, yes I have internet connectivity. Pings to verizon.net succeed as do any random URL in my browser
H E L L O Verizon.