Queues a message for each recipient and attempts it at once.
Recipients are a person by username or the realm's Admin Write roster,
never an address. Ceilings, declined categories and duplicates are
enforced. Never throws.
Parameters
req: SendRequest
username or toAdministrators, template, values,
links (paths on this service), dedupKey, via and actor
Queues a message for each recipient and attempts it at once.
Recipients are a person by username or the realm's Admin Write roster, never an address. Ceilings, declined categories and duplicates are enforced. Never throws.