sendmail prob. (help!)

[Shawn Koppenhoefer]

I've just recently started getting the following from sendmail.
Can anybody clue me in on just what is happening and/or 
how to fix it? :-(
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Nov 26 12:20:20 litsun sendmail[2936]: AA02936: SYSERR: unexpected close, from=<root>
Nov 26 13:48:08 litsun8 sendmail[16897]: NOQUEUE: SYSERR: net hang reading from litsun: Connection timed out
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| shawn at lit.epfl.ch        -.-      KLEIN BOTTLE FOR SALE ...        \#######
| Shawn Edwin Koppenhoefer \_/                   ... enquire within   \######
| LIT-EPFL (Ecole Polytechnique Federal De Lausanne)___________________\#####