For the upcoming release, Message Log Search will support searches by both Subject and Content Filter (which enables you to search by the name of the Content Manager filter).
Searches on both exact and partial text are supported for these new fields, as well as phrases within the text. Searches are case insensitive. For example, you can find log search results for an email with the following subject line, "This is a test email," by using any of the following search strings:
Search results for these new fields will be available in Message Log Search only for new logs that are processed after the date of the release, which is targeted for March 31. For more information about Log Search and these new fields, see the Log Search chapter of the Administration Guide on the date of the release.