The Mail class represents an internet mail message (as per RFC822, RFC2822) with headers and a body.
This lib was removed from the 1.9.x Stdlib. It as present until 1.8.7.
http://ruby-doc.org/stdlib-1.8.7/libdoc/mailread/rdoc/Mail.html
Public Class Methods
new(f)
Create a new Mail where f is either a stream which responds to gets(), or a
path to a file. If f is a path it will be opened.
The whole message is read so it can be made available through the header,
#[] and body methods.
The “From ” line is ignored if the mail is in mbox format.
Public Instance Methods
[](field)
Return the header corresponding to field.
Matching is case-insensitive.
body()
Return the message body as an Array of lines
header()
Return the headers as a Hash.
Travis CI
Added support.