Log Message:
Updated to version 0.28.

Pkgsrc changes:
  - Required version of p5-Crypt-OpenSSL-RSA changed to >=0.24.

Changes since version 0.26:
=====================================
Version 0.28

 * fixed a bug with line-wrapping a signature at the wrong place

Version 0.27 - released 2007-07-25

 * Sender signing policies are now better implemented
 * Both Yahoo! DomainKeys signing policies and the under-development
   IETF DKIM signing policies are supported
    * Yahoo! DomainKeys policies can protect the Sender: header
    * DKIM signing policies can protect the From: header
   Look at Mail::DKIM::Verifier's fetch_author_policy() and
   fetch_sender_policy() methods for hints.