Hello Jeff,
I received the following message in my maillog file:
Jan 14 16:30:07 arasis sendmail[1214]: h0EFU7ws001214: localhost.localdomain [127.0.0.1] did not issue MAIL/EXPN/VRFY/ETRN during connection to MTA
I have no real experience with sendmail... on 6.2 it worked without problems 😟