The Member-only email tab in Kavi allows for filtering by by the name of the sender or a particular time period. There is also a "Search Email" box on the page that can be used to locate particular messages.
To filter messages:
To search for a word or phrase within an email message:
At the top of each mailing list archive page is a search box. Entering in a search word or phrase will direct the query to the MarkMail indexed archives. Help on MarkMail searching can be found here: http://markmail.org/docs/faq.xqy#searchsyntax
Please report any errors or corrections to the OASIS TC Administrator. Thank you!