get
https://api.campaign.episerver.net/rest//mailid/
Get detailed information about a mail ID. A mail ID is the aggregation of the mailing ID, recipient list ID and recipient ID.
400The mail ID is invalidly encoded.
409The indicated mail ID is not assigned to the indicated client. Ensure that "clientId" and "mailId" are correct and that "mailId" is assigned to the indicated client.
