libgmime-2.6-dev 2.6.23+dfsg1-1 (amd64 binary) in ubuntu artful

 GMime provides a core library and set of utilities which may be used for the
 creation and parsing of messages using the Multipurpose Internet Mail
 Extension (MIME).
 .
 This package contains the development files of the older version of
 GMime for programmers using C or Vala.
 .
 It is recommended to use libgmime-3.0-dev instead of this package.