Several years ago I had set up our jointly used computer via Outlook 2007 with two separate Verizon email accounts, one for me, one for my wife. As my wife stated to use the computer more frequently to insure peace and harmony I purchased a laptop so this is now the computer only my wife uses. I made her email account the default and disabled mine from the Send/Receive function but I left it there, just in case.
As the home system administrator I had made the Verizon requested account changes to the ports and SSL settings a few months ago . Life was good until two days ago when my wife told me her Outlook email account kept failing. I found it was a failing to connect to the server. It kept asking for her password. When I tested my account with EXACTLY the same Verizon settings it worked just fine. I used her password to log in to her Verizon account so I knew it was not a Verizon password issue. I suspected an Outlook password storage issue but when I set her account up as a new account on my laptop and got the same failure I knew it was not computer specific so could not be an Outlook issue. I was baffled, two accounts with the same settings using the same Outlook software, one worked, one did not.
The solution; after trying many things I finally got her account to work by changing her account server settings from incoming to pop and outgoing to smtp as specified by Verizon a while back (my bad for missing that step I guess). I have now changed the server settings in all accounts to pop and smtp and all is well. I have no idea why one account worked with incoming and outgoing while the other failed but I do know all my Outlook accounts are now in FULL compliance with ALL changes specified by Verizon in the following link.
http://www.verizon.com/support/residential/internet/fiosinternet/email/setup+and+use/questionsone/124289.htm