SortingKey

SortingKey enumeration

Sort criterias for “SORT” command
See more: https://tools.ietf.org/html/rfc5256

Member name	Description
ARRIVAL	By internal date and time of the message. This differs from the ON criteria in SEARCH, which uses just the internal date.
CC	By first “cc” address.
DATE	By sent date and time.
FROM	By first “From” address.
SIZE	By size of the message in octets.
SUBJECT	By subject
TO	By first “To” address.