Subject: [ietf-dkim] draft-ietf-dkim-base-02 // Signature Expiration Recommendation

From: Douglas Otis <[email-masked]>
Date: Wed, 31 May 2006 17:13:21 -0700

,---
| x= Signature Expiration (plain-text; RECOMMENDED, default is no
|    expiration).
'___

Change to:

: x= Signature Expiration (plain-text; OPTIONAL, default is no
:    expiration).

This parameter has the potential to be used to induce DSNs.  There  
are no satisfactory methods other than ignoring this parameter where  
misuse is prevented.

-Doug

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