Outbound message search

Number of messages to return per request. Max 500.

Number of messages to skip

Filter by the user who was receiving the email

Filter by the sender email address

Filter by tag

Filter by status (queued or sent)

Filter messages up to the date specified. e.g. 2014-02-01

Filter messages starting from the date specified. e.g. 2014-02-01

The token associated with the Server on which this request will operate.