Envelope

Message Envelope

Field	Type	Description
to	STRING	The email address the server is sending to. Note this might not always be the address within the message headers. For that reason you should also look at the headers parameter.
recipients	ARRAY<STRING>	The full list of recipients that the remote server is attempting to send to in this transaction.
from	STRING	The email address that the server was sending from. Note this might not always be the address within the message headers. For that reason you should also look at the headers parameter.
helo_domain	STRING	The domain reported by the sending server as it sends the helo or ehlo command.
remote_ip	STRING	The remote IP address of the sending server if available.
spf	STRING	The SPF result for the given IP address and Domain.