[Dovecot] sieve script

Steffen Kaiser skdovecot at smail.inf.fh-brs.de
Fri Jan 29 16:34:15 EET 2010


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On Fri, 29 Jan 2010, Lampa wrote:

> My script:
> ---------------
> if header :contains "from" ["user at domain1.tld", "user2 at domain2.tld",
> "user3 at domain3.tld"] {
>        redirect "foo1 at bar.tld";
>        redirect "foo2 at bar.tld";
> ....
>        redirect "foo20 at bar.tld";
> } else {
>        keep;
> }

either add "stop;" after redirects or remove the else branch, because 
after the redirects you'll have the implict "keep", as far as I know.

> require ["fileinto","regex","envelope","vacation"];
>
> if envelope :comparator "i;octet" :contains
> "From.*(user at domain1.tld|user2 at domain2.tld|user3 at domain3.tld)" "" {

I would expect:
   "From" "(user ....)" {

http://ietfreport.isoc.org/rfc/rfc5228.txt
sec 5.4

>        redirect "foo1 at bar.tld foo2 at bar.tld .... foo20 at bar.tld";

The RFC uses singular with the "redirect" argument, hence, I suppose, it 
is implementor-defined, whether or not the space-delimited recipients will 
work.

> if true {
>        fileinto "$DEFAULT";

There is no $DEFAULT, IMHO.

> Converter script is cannot be compiled. But it used other style envelope.

What's the error?

> So what is difference between envelope and header ?

"header" compares the values in the mail itself, e.g. "From", "To", but 
"Subject", "X-Scanned", too.
"envelope" compares values of the SMTP-phase commands, "From" corresponds 
to the "MAIL FROM" SMTP command and "To" to the "Rcpt to" command. The 
availability of those envelope information differs among the MTAs, some do 
not provide "MAIL FROM" at all, some do provide all "RCPT TO"s, some only 
the "RCPT TO" of the particular recipient, some only if there is exactly 
one recipient.

Therefore the RFC states that implemenations SHOULD have "envelope". It is 
no requirement.

Regards,

- -- 
Steffen Kaiser
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