MDN
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... the server is capable of storing the $MDNSent keyword by examining
the PERMANENTFLAGS response code. In order to support MDN in IMAP, a
server MUST support either the $MDNSent keyword, or arbitrary message ...
... deleted", "denied" or "failed"
disposition type with "automatic-action" and "MDN-sent-
automatically" disposition modes) for messages that do not have
...
... -- MUA sets the $MDNSent keyword for every message that required an
automatic MDN to be sent, whether or not the MDN was sent.
...
... MUA sets the $MDNSent keyword for every message that required an
automatic MDN to be sent, whether or not the MDN was sent.
-- MUA ...
... -- MUA performs requested action and, with user's permission, sends
appropriate MDN ("displayed", "dispatched", "processed",
"deleted", "denied" or "failed" disposition type ...
... deleted", "denied" or "failed" disposition type with "manual-
action" and "MDN-sent-manually" or "MDN-sent-automatically"
disposition mode ...
... disposition type with "manual-
action" and "MDN-sent-manually" or "MDN-sent-automatically"
disposition mode). If the generated MDN ...
... MDN-sent-automatically"
disposition mode). If the generated MDN is saved to a mailbox
with the APPEND command ...
... (*) Note: MUA MUST NOT use \Recent flag as an indicator that it
should send MDN, because according to [IMAP4], "If multiple
connections ...
... However, the client MAY use \Seen flag as one of the indicators
that MDN must not be sent. The client MUST NOT use any other
standard flags, like \Draft or \Answered, to indicate that MDN ...
... MDN must not be sent. The client MUST NOT use any other
standard flags, like \Draft or \Answered, to indicate that MDN
was previously sent, because they have different well known
meaning. In any case, in the presence of the $MDNSent keyword,
...
... the client MUST ignore all other flags or keywords for the
purpose of generating an MDN and MUST NOT send the MDN.
...
... client MUST ignore all other flags or keywords for the
purpose of generating an MDN and MUST NOT send the MDN.
When the client ...
... mailbox. A client
SHOULD NOT send MDN if it fails to store the $MDNSent keyword.
Once the $MDNSent keyword is set, it MUST NOT be unset by a client ...
...
The client MUST NOT send MDN if a message has the $MDNSent keyword
set. It also MUST NOT send MDN if a message has \Draft flag, because
...
... client MUST NOT send MDN if a message has the $MDNSent keyword
set. It also MUST NOT send MDN if a message has \Draft flag, because
some clients use this flag to mark a message as incomplete.
...
... client MUST set the
$MDNSent keyword to prevent another client from sending MDN for the
message.
...
... client MUST set
$MDNSent keyword to prevent another client from sending MDN for the
message.
...
... even if the client does not have 'w' right. This will prevent the
generation of a duplicated MDN for the same message. Note that the
server MUST still check if the client has rights to perform the COPY
...