Re: sieve rule for "header don't exist"

[Reindl Harald]

Am 30.03.2015 um 11:41 schrieb Christian Kivalo:

On 2015-03-30 11:25, Reindl Harald wrote:

is there a way to expresse when the header "X-Spam-Status" *do not*
exist move the message to a different folder?

:contains, :matches and :is are not helpful here

Have you tried using the "exist" test from the sieve rfc

indeed - that works - thanks!

require ["fileinto"];
if not exists ["X-Spam-Status"]
{
 fileinto "REJECTED";
}
else
{
 keep;
}

5.5. Test exists


    Usage:   exists <header-names: string-list>

    The "exists" test is true if the headers listed in the header-names
    argument exist within the message.  All of the headers must exist or
    the test is false.

    The following example throws out mail that doesn't have a From header
    and a Date header.

    Example:  if not exists ["From","Date"] {
                 discard;
              }

https://tools.ietf.org/html/rfc5228#page-28

i have not tried it myself but the core of rfc 5228 is reported to be
fully support by pigeonhole

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