I have two different systems accessing my FIOS email accounts using Thunderbird 17.0.2.
On the machine I have updated server settings at Verizon's request from incoming.verizon.net and outgoing.verizon.net, to pop.verizon.net and smp.verizon.net. Also changed authentication to SSL/TLS per the instructions.
As of roughly 11:00 am EDT (Maryland), the new setting no longer function. Restoring them to the originals, or using the other system that was never upgraded gets me lightning fast incoming AND outgoing email again.
Anyone else suffering from this?