kumomta/docs/reference/message/set_recipient.md

set_recipient

message:set_recipient(ENVELOPE)

{{since('2023.08.22-4d895015')}}

Sets the envelope recipient of the message. The value can be an EnvelopeAddress or a string that can be parsed into an EnvelopeAddress.

message:set_recipient 'someone.else@example.com'

See also message:set_sender.

Recipient List

{{since('2025.12.02-67ee9e96')}}

The value can be an array style table holding one EnvelopeAddress for each recipient that you wish to assign to the message.

!!! note At the time of writing, only the SMTP and maildir delivery protocols have support for multi-recipient messages.