Custom Subject in email trace listner in Enterprise Library

Hi,
 I am using Enterprise library to Configure App.Config file to send Emails.
Sending Emails working fine but the mail subject is by default coming like "INFORMATION". I want to chage the Subject of the Emails.I have used SubjectLineStarter and SubjectLineEnder.But sill "INFORMATION" is coming in between SubjectLineStarter and SubjectLineEnder.How to set Custom Subject for This.
Could anyoneone help on this please?
Thanks,
Prasant