Consider that the same applies to crashes in any system that does not provide you with a means of reading back the status of your previous delivery attempt.
Such as, e.g. a remote mail server if the operation was to send mail to take an obvious one.
In other words: The server does not need to go permanently offline - it may be sufficient for the established session to terminate.
Such as, e.g. a remote mail server if the operation was to send mail to take an obvious one.
In other words: The server does not need to go permanently offline - it may be sufficient for the established session to terminate.