DKIM key size

The below is a great story and a good lesson on the importance of cryptographic key size.

http://www.wired.com/threatlevel/2012/10/dkim-vulnerability-widespread/all/

Related to this, if you run a mail server consider looking into DKIM. It is an interesting addition to the Internet mail architecture and not that hard to enable via a sendmail milter (OpenDKIM).

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