Message contains NUL characters

Julian Field mailscanner at
Tue Apr 22 21:43:32 IST 2003

At 21:31 22/04/2003, you wrote:
>My postmaster reported the following error to me:
> >Reporting-MTA: dns;
> >Received-From-MTA: DNS;
> >Arrival-Date: Fri, 18 Apr 2003 19:58:02 -0400
> >
> >Final-Recipient: RFC822; bb+mydelivery at livraison.locale
> >Action: failed
> >Status: 5.6.0
> >Diagnostic-Code: X-Unix; 554 5.6.0 Message contains NUL characters
> >Last-Attempt-Date: Fri, 18 Apr 2003 19:58:02 -0400
>Could this be caused by the following directives (mailscanner-4.14-9):
>   Spam Actions = deliver forward spam at
>   High Scoring Spam Actions = deliver forward spam at
>If not, could MS strip those NULs from the emails?

Searching through the entire message for NULs would severely slow things
down (it would involve another traversal of the entire message). That's
really the job of the MTA, if it happens to dislike NUL characters in
Julian Field
Professional Support Services at
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