Message contains NUL characters ...

Joseph Brennan brennan at
Thu Apr 28 16:13:35 EDT 2005

--On Thursday, April 28, 2005 16:22 -0300 "Marc G. Fournier" 
<scrappy at> wrote:

> Someone mentioned that this was, in fact, not forbid'd in the RFCs ...
> could you point to the relevant RFC where it is?  Considering how
> 'strict' postfix seems to be, having an RFC to back that up might show
> some changes over in that camp, at least ...

RFC 2822, section 4.1, makes null an obsolete character.

But same, section 2.3, does not explicitly forbid them in bodies.  It
does say the body must be US-ASCII characters, and following that
appears to get to section 4.1 defining what characters are.

Joseph Brennan
Academic Technologies Group, Academic Information Systems (AcIS)
Columbia University in the City of New York

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