startando sendmail com erro

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

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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

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

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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
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Agradeço desde já