sieve filter not working -- wildcard missing

[Martin Johannes Dauser]

On Wed, 2019-02-20 at 10:18 +0100, Martin Johannes Dauser via dovecot
wrote:
> Hi!
> 
> You forgot the wildcard '.*' (= Match zero or more instances of any
> single character, except newline)
> 
> require ["regex"];
> # rule:[test]
> if header :regex "from" ".*info$"
> {
>  	redirect "subbs at domain.com";
> }
> 
> With this rule, you are filtering emails from toplevel domain
> '*.info'
> or new domains that might occur in future (e.g '*.superinfo'). If you
> want to restrict to classic tld '*.info' change the regex to
> 
> ".*\.info$"

Oh, and if you want to include a TLD like "*.superinfos" The regex
needs to be

".*\..*info[^.]$"

> 
> 
> The draft lists a table of common regex in section2:
> https://tools.ietf.org/html/draft-murchison-sieve-regex-08#section-2
> 
> 
> There are online regex checker like https://regex101.com thought not
> specific to sieve's regex, which can be used to test your regular
> expressions. Sieve's regex are quite standard though.
> 
> Greetings
> Martin
> 
> 
> On Wed, 2019-02-20 at 14:00 +0530, subin ks via dovecot wrote:
> > I've Dovecot and dovecot-sieve v 2.2.27 installed on a Debian 9.6.
> > I'm trying to set a Sieve filter which will redirect all emails
> > from
> > `info` (i.e. .info) TLD to another email. This is the filter:
> > 
> > require ["regex"];
> > # rule:[test]
> > if header :regex "from" "info$"
> > {
> > 	redirect "subbs at domain.com";
> > }
> > 
> > It's not being honored; all emails from .info TLD ends up in the
> > inbox and none are redirected. Let me know what I'm doing wrong.
> > 
> > Thanks.
> >