Look at the names of Linux servers of ECE@UTexas

ryu.ece.utexas.edu
ehonda.ece.utexas.edu
blanka.ece.utexas.edu
guile.ece.utexas.edu
ken.ece.utexas.edu
chunli.ece.utexas.edu
zangief.ece.utexas.edu
dhalsim.ece.utexas.edu
balrog.ece.utexas.edu
vega.ece.utexas.edu
sagat.ece.utexas.edu
mbison.ece.utexas.edu
cammy.ece.utexas.edu
deejay.ece.utexas.edu
thawk.ece.utexas.edu
feilong.ece.utexas.edu
akuma.ece.utexas.edu
gouki.ece.utexas.edu

Finally figured out why my UT webmail can't receive email

That's because I set up an forwarding email in the system.
And the server will not keep the email after forwarding it, kinda like what procmail does.

Anyway, now I can use a simple username university email. xxxxx@mail.utexas.edu as my work email, and gmail as my personal email.

Great!