mail-complete-style

mail-complete-style is a variable defined in `mailalias.el'.
Its value is

angles

Documentation:
Specifies how M-x mail-complete formats the full name when it completes.
If `nil', they contain just the return address like:
king@grassland.com
If `parens', they look like:
king@grassland.com (Elvis Parsley)
If `angles', they look like:
Elvis Parsley

You can customize this variable.