Maillog not logging email information

I have installed Sendmail on RHEL 6 and removed Postfix in order to avoid conflicts. I'm able to send emails however maillog doesn't show information related to them, only daemon startup and shutdown information

cat maillog
sendmail[96339]: starting daemon (8.14.4): SMTP+queueing@01:00:00
sm-msp-queue[96350]: starting daemon (8.14.4): queueing@01:00:00
sendmail[96399]: starting daemon (8.14.4): SMTP+queueing@01:00:00
sm-msp-queue[96410]: starting daemon (8.14.4): queueing@01:00:00
sendmail[102362]: starting daemon (8.14.4): SMTP+queueing@01:00:00
sm-msp-queue[102373]: starting daemon (8.14.4): queueing@01:00:00
sendmail[106151]: starting daemon (8.14.4): SMTP+queueing@01:00:00
sm-msp-queue[106162]: starting daemon (8.14.4): queueing@01:00:00
sendmail[109104]: starting daemon (8.14.4): SMTP+queueing@01:00:00
sm-msp-queue[109115]: starting daemon (8.14.4): queueing@01:00:00

I looked at rsyslog.conf and it looks right:

mail.* -/var/log/maillog

I tried to restart rsyslog but it did not change anything. Any ideas about what could be causing this?