Allows access to the headers in the email as a key/value hash.
The hash allows access as if it was case-insensitive, but it also still keeps the original case when you loop through it.
Duplicate headers are lost in the current implementation; only the most recent copy of any given name is retained.
See Implementation
Allows access to the headers in the email as a key/value hash.
The hash allows access as if it was case-insensitive, but it also still keeps the original case when you loop through it.