IMAP Query Syntax

To combine multiple keywords enclose the query in brackets, e.g. the following matchess all unseen emails received from address sender-email@example.com with subject the subject: (FROM "sender-email@example.com" SUBJECT "the subject" UNSEEN)

Keywords

ALL

All messages in the mailbox; the default initial key for
ANDing.

ANSWERED

Messages with the \Answered flag set.

BCC

Messages that contain the specified string in the envelope
structure's BCC field.

BEFORE

Messages whose internal date (disregarding time and timezone)
is earlier than the specified date.

BODY

Messages that contain the specified string in the body of the
message.

CC

Messages that contain the specified string in the envelope
structure's CC field.

DELETED

Messages with the \Deleted flag set.

DRAFT

Messages with the \Draft flag set.

FLAGGED

Messages with the \Flagged flag set.

FROM

Messages that contain the specified string in the envelope
structure's FROM field.
Messages that have a header with the specified field-name (as
defined in [RFC-2822]) and that contains the specified string
in the text of the header (what comes after the colon).  If the
string to search is zero-length, this matches all messages that
have a header line with the specified field-name regardless of
the contents.

KEYWORD

Messages with the specified keyword flag set.

LARGER

Messages with an [RFC-2822] size larger than the specified
number of octets.

NEW

Messages that have the \Recent flag set but not the \Seen flag.
This is functionally equivalent to "(RECENT UNSEEN)".

NOT

Messages that do not match the specified search key.

OLD

Messages that do not have the \Recent flag set.  This is
functionally equivalent to "NOT RECENT" (as opposed to "NOT
NEW").

ON

Messages whose internal date (disregarding time and timezone)
is within the specified date.

OR

Messages that match either search key.

RECENT

Messages that have the \Recent flag set.

SEEN

Messages that have the \Seen flag set.

SENTBEFORE

Messages whose [RFC-2822] Date: header (disregarding time and
timezone) is earlier than the specified date.

SENTON

Messages whose [RFC-2822] Date: header (disregarding time and
timezone) is within the specified date.

SENTSINCE

Messages whose [RFC-2822] Date: header (disregarding time and
timezone) is within or later than the specified date.

SINCE

Messages whose internal date (disregarding time and timezone)
is within or later than the specified date.

SMALLER

Messages with an [RFC-2822] size smaller than the specified
number of octets.

SUBJECT

Messages that contain the specified string in the envelope
structure's SUBJECT field.

TEXT

Messages that contain the specified string in the header or
body of the message.

TO

Messages that contain the specified string in the envelope
structure's TO field.

UID

Messages with unique identifiers corresponding to the specified
unique identifier set.  Sequence set ranges are permitted.

UNANSWERED

Messages that do not have the \Answered flag set.

UNDELETED

Messages that do not have the \Deleted flag set.

UNDRAFT

Messages that do not have the \Draft flag set.

UNFLAGGED

Messages that do not have the \Flagged flag set.

UNKEYWORD

Messages that do not have the specified keyword flag set.

UNSEEN

Messages that do not have the \Seen flag set.