mailbox
Click on the red underlined text to get to the source
... 1) Multiple APPEND commands, even as part of a pipelined batch,
are non-atomic by definition. There is no way to revert the
mailbox to the state before the batch append in the event of an
error.
...
... coalescing would be timing dependent and thus potentially
unreliable. In particular, with traditional UNIX mailbox files,
it is assumed that a lock is held only for a single atomic
operation, and many applications disregard any lock that is
...
... disk quota error occurs with the third message because of its
size. However, the fourth and fifth messages have already been
sent in the pipeline, so the mailbox ends up with the first,
second, fourth, and fifth messages of the batch appended.
...
...
Arguments: mailbox name
one or more messages to upload, specified as:
OPTIONAL flag parenthesized list
...
... Result: OK - append completed
NO - append error: can't append to that mailbox, error
in flags or date/time or message text,
...
... literal arguments as new messages
to the end of the specified destination mailbox. This argument
SHOULD be in the format of an [RFC-2822] message. 8-bit ...
...
If the append is unsuccessful for any reason (including being
cancelled), the mailbox MUST be restored to its state before the
APPEND attempt; no partial appending is permitted. The server MAY
...
...
If the destination mailbox does not exist, a server MUST return an
error, and MUST NOT automatically create the mailbox ...
... mailbox does not exist, a server MUST return an
error, and MUST NOT automatically create the mailbox. Unless it
is certain that the destination mailbox ...
... mailbox. Unless it
is certain that the destination mailbox can not be created, the
server MUST send the response code ...
... CREATE is successful.
If the mailbox is currently selected, the normal new message
actions SHOULD occur. Specifically, the server SHOULD notify the
client ...
... C: A004 APPEND bogusname (\Flagged) {1023}
S: A004 NO [TRYCREATE] No such mailbox as bogusname
C: A005 APPEND test (\Flagged) {99}
S: + Ready for literal ...