new-message-id
Generates a new value for the Message-ID header field. This function always returns a unique new Message-ID and can be used, for example, to populate the header of a MIME message.
The Message-ID has the following format:
'<' UTC timestamp '-' random 32-character long hex value '@' host name '>' |
Example:
<20180306154822808383-5933b654b26c4495bb0b619ab72b3bc6@myservername> |
Signature
new-message-id() -> string |