Thanks for replying, ntozier.As far as I know, the POP server doesn't require SSL/TLS, but that's certainly something to check into. And I can certainly deal with the removal issue once I get the other set up and going. I didn't realize I was dealing with such an older version.As to upgrading, excuse my naivety, but I inherited the osTicket system. I wasn't involved in setting it up and am really clueless anytime I have to deal with it. That being said, the system is used almost 24/7. How much trouble would it be to upgrade? Would I be looking at being down for several hours with a lot of reconfiguring to deal with or should it be able to upgrade mostly seamlessly?