By default, the Test transport will not allow partial success and will always
succeed. It can be made to fail predictably, however, if it is extended and
its recipient_failure or delivery_failure methods are overridden. These
methods are called as follows:
If they return true, the sending will fail. If the transport was created with
a true allow_partial_success attribute, recipient failures can cause partial
success to be returned.
For more flexible failure modes, you can override more aggressively or can use
This attribute stores an arrayref of all the deliveries made via the transport.
Each delivery is a hashref, in the following format:
email => $email,
envelope => $envelope,
successes => \@ok_rcpts,
failures => \@failures,
Both successful and failed deliveries are stored.
A number of methods related to this attribute are provided: