Estou startando o sendmail e ele retona a seguinte msg, veja log

***********
Nov 22 08:59:49 srvmultipla sendmail[17005]: alias database /etc/aliases rebuilt by root
Nov 22 08:59:49 srvmultipla sendmail[17005]: /etc/aliases: 76 aliases, longest 10 bytes, 765 bytes total
Nov 22 08:59:49 srvmultipla sendmail[17010]: starting daemon (8.13.8): SMTP+queueing@01:00:00
Nov 22 08:59:49 srvmultipla sm-msp-queue[17018]: starting daemon (8.13.8): queueing@01:00:00

************
Quando envio um email no maillog registra essas msg e o email não chega na caixa postal:

***********
Nov 22 09:02:17 srvmultipla sendmail[17174]: kAMB2G1q017172: to=<[email protected]>, ctladdr=<root@srvmultipla> (0/0), delay=00:00:01, xdelay=00:00:01, mailer=esmtp, pri=120371, relay=b.mx.mail.yahoo.com. [66.196.97.250], dsn=5.6.0, stat=Data format error
**********

Agradeço desde já