Software can assign a gender to a mail file.
Cathy Jones becomes Ms. Cathy Jones
Genderization is at the mercy of the program creator.
Kim can be mail or female but may be asigned Ms.
Pat would probaly not have a gender assigned
Most foerign / ethnic / Unique spelling names go unassigned
Genderization is a nice tool that solves about 70% to 90% of a problem.
For best resuldt a database shouold be set-up with a formal and informal salutation fields
such as Cathy and Ms. Jones