Adds the given users to the specified mailing list */.

Create a mailing list with the given id and initial set of user, if provided.

Gets all created mailing lists */.

Gets the mail list with the given id */.

Get basic user info from user serivce */.

Removes the given users from the specified mailing list */.

Send mail based on the given mailing info Returns the results of sending the mail */.

Send mail the the users with the given ids, using the provided template Substitution will be generated based on user info */.

Send mail to the users in the given mailing list, using the provided template Substitution will be generated based on user info */.

Returns the expected success response in the same format as SparkPost This is only to be used in development environments */.