some weirdness and broken error handling with sieve (in 2.2.12)

[Phil Pennock]

On 2006-11-29 at 16:49 -0500, Greg A. Woods wrote:
> BTW, this whole idea of generating new mail from SIEVE is bogus.  The
> local mail service should NEVER EVER IN A MILLION YEARS ever generate
> new messages in response to incoming mail (think backscatter, unless if
> it had the kind of once-per-week protection built into the much older
> unix vacation(1)).

draft-ietf-sieve-vacation-06.txt

I've not checked Cyrus 2.2.x, but certainly 2.3.7 supports the :days
parameter described in section 4.1 of that draft.  See
sieve/sieve.y:canon_vtags() which sets the default time period and
imap/lmtp_sieve.c:autorespond() which does the already-responded safety
checks.

-Phil